RHSA-2026:59473
Vulnerability from csaf_redhat - Published: 2026-08-25 15:23 - Updated: 2026-08-26 02:23Summary
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Severity
Important
Notes
Topic: An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: net: atm: fix crash due to unvalidated vcc pointer in sigd_send() (CVE-2026-31411)
* kernel: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq (CVE-2026-43051)
* kernel: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054)
* kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016)
* kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888)
Bug Fix(es) and Enhancement(s):
* vhost: reset the vring metadata cache on vring reconfiguration (JIRA:RHEL-224604)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in the Linux kernel's Asynchronous Transfer Mode (ATM) networking component. A local attacker, by acting as a malicious signaling daemon, could send a specially crafted message containing an unvalidated pointer. This unvalidated pointer would be directly used by the kernel, leading to the dereference of an arbitrary memory address. The consequence is a system crash, resulting in a Denial of Service (DoS).
7.1 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.src | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-abi-stablelists-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-common-x86_64-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-doc-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-libs-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:python3-perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:python3-perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:bpftool-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:bpftool-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-0:4.18.0-372.208.1.el8_6.src | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-abi-stablelists-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debuginfo-common-x86_64-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-doc-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-libs-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:python3-perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:python3-perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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Threats
Impact
Moderate
A flaw was found in the Linux kernel's Wacom Human Interface Device (HID) driver. This vulnerability allows a remote attacker to trigger an out-of-bounds read by sending a specially crafted, short Bluetooth HID report. This can lead to the disclosure of sensitive information from the system's memory.
7.1 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.src | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-abi-stablelists-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-common-x86_64-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-doc-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-libs-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:python3-perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:python3-perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:bpftool-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:bpftool-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debuginfo-common-x86_64-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-doc-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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Threats
Impact
Moderate
A flaw was found in the Linux kernel's SELinux security module when handling overlayfs. The existing security model for overlayfs does not properly enforce access controls for `mmap()` and `mprotect()` operations. This oversight could allow a local attacker to bypass intended security policies, potentially leading to unauthorized access to files within an overlayfs filesystem. The vulnerability is resolved by enhancing backing file enforcement for `mmap()` and leveraging new LSM (Linux Security Module) capabilities for `mprotect()` access controls.
7.0 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.src | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-abi-stablelists-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-common-x86_64-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-doc-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-libs-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:python3-perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:python3-perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:bpftool-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:bpftool-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-0:4.18.0-372.208.1.el8_6.src | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-abi-stablelists-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debuginfo-common-x86_64-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-doc-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-libs-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:python3-perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:python3-perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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Threats
Impact
Important
A flaw was found in the Linux kernel's cryptographic coprocessor (CCP) driver. When processing AF_ALG rfc3686-ctr-aes-ccp requests, the ccp_aes_complete() function attempts to restore more data than the allocated buffer for the Initialization Vector (IV) can hold. This leads to a buffer overrun, which can result in memory corruption within the kernel.
7.0 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.src | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-abi-stablelists-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-common-x86_64-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-doc-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-tools-libs-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:python3-perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:python3-perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:bpftool-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:bpftool-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-0:4.18.0-372.208.1.el8_6.src | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-abi-stablelists-0:4.18.0-372.208.1.el8_6.noarch | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debug-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-debuginfo-common-x86_64-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-doc-0:4.18.0-372.208.1.el8_6.noarch | — |
Vendor Fix
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Workaround
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-libs-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:python3-perf-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.6.0.Z.EUS.EXTENSION:python3-perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Moderate
A flaw was found in the Linux kernel's iSCSI (Internet Small Computer System Interface) target subsystem. This vulnerability involves a buffer overread and a double-free error when processing iSCSI Text commands. A remote attacker could exploit these issues by sending specially crafted network packets, leading to a kernel crash or memory corruption. This could result in a Denial of Service (DoS) for the affected system.
7.0 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
|
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:bpftool-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
|
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.src | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-abi-stablelists-0:4.18.0-372.208.1.el8_6.noarch | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-core-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debug-modules-extra-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-debuginfo-common-x86_64-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-devel-0:4.18.0-372.208.1.el8_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.6.0.Z.AUS:kernel-doc-0:4.18.0-372.208.1.el8_6.noarch | — |
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Threats
Impact
Important
References
33 references
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"text": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: net: atm: fix crash due to unvalidated vcc pointer in sigd_send() (CVE-2026-31411)\n\n* kernel: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq (CVE-2026-43051)\n\n* kernel: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054)\n\n* kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016)\n\n* kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888)\n\nBug Fix(es) and Enhancement(s):\n\n* vhost: reset the vring metadata cache on vring reconfiguration (JIRA:RHEL-224604)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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{
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"attackVector": "LOCAL",
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"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
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"category": "impact",
"details": "Moderate"
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"title": "kernel: net: atm: fix crash due to unvalidated vcc pointer in sigd_send()"
},
{
"cve": "CVE-2026-43051",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2026-05-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2464462"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s Wacom Human Interface Device (HID) driver. This vulnerability allows a remote attacker to trigger an out-of-bounds read by sending a specially crafted, short Bluetooth HID report. This can lead to the disclosure of sensitive information from the system\u0027s memory.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A Bluetooth HID report parsing bug in the Wacom driver can cause an out of bounds read in wacom_intuos_bt_irq. Report 0x03 needs at least 22 bytes and report 0x04 needs 32 bytes because it falls through into the 0x03 handling path, but the old code processed shorter reports without validating these lengths. A malicious or compromised Bluetooth HID device can send a crafted short report and make the kernel read past the received report buffer while updating Wacom input or battery state. For the CVSS the PR:N is used in the paranoid score because the attacker only needs Bluetooth device control and does not need a local account on the victim. The issue is adjacent network reachable over Bluetooth rather than Internet reachable.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-43051"
},
{
"category": "external",
"summary": "RHBZ#2464462",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464462"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-43051",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43051"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-43051",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43051"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026050107-CVE-2026-43051-0d15@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026050107-CVE-2026-43051-0d15@gregkh/T"
}
],
"release_date": "2026-05-01T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-08-25T15:23:20+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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{
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"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
"version": "3.1"
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"title": "kernel: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq"
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{
"cve": "CVE-2026-46054",
"cwe": {
"id": "CWE-280",
"name": "Improper Handling of Insufficient Permissions or Privileges"
},
"discovery_date": "2026-05-27T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2482025"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s SELinux security module when handling overlayfs. The existing security model for overlayfs does not properly enforce access controls for `mmap()` and `mprotect()` operations. This oversight could allow a local attacker to bypass intended security policies, potentially leading to unauthorized access to files within an overlayfs filesystem. The vulnerability is resolved by enhancing backing file enforcement for `mmap()` and leveraging new LSM (Linux Security Module) capabilities for `mprotect()` access controls.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: selinux: fix overlayfs mmap() and mprotect() access checks",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-46054"
},
{
"category": "external",
"summary": "RHBZ#2482025",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482025"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-46054",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46054"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-46054",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46054"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026052754-CVE-2026-46054-b185@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026052754-CVE-2026-46054-b185@gregkh/T"
}
],
"release_date": "2026-05-27T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-08-25T15:23:20+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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}
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{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"title": "kernel: selinux: fix overlayfs mmap() and mprotect() access checks"
},
{
"cve": "CVE-2026-53016",
"cwe": {
"id": "CWE-805",
"name": "Buffer Access with Incorrect Length Value"
},
"discovery_date": "2026-06-24T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2492269"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s cryptographic coprocessor (CCP) driver. When processing AF_ALG rfc3686-ctr-aes-ccp requests, the ccp_aes_complete() function attempts to restore more data than the allocated buffer for the Initialization Vector (IV) can hold. This leads to a buffer overrun, which can result in memory corruption within the kernel.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: crypto: ccp - copy IV using skcipher ivsize",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "An out-of-bounds write exists in the AMD CCP AES completion path because ccp_aes_complete() restores AES_BLOCK_SIZE bytes into req iv even when the selected skcipher exposes a shorter IV. For RFC3686 CTR AES through AF_ALG, the caller IV can be 8 bytes while the driver copies 16 bytes, overwriting memory past the provided IV buffer. For the CVSS the PR:L is used because a local user or local process can reach AF_ALG crypto interfaces without needing full administrator privileges when the vulnerable CCP backed algorithm is available. The issue is not network reachable and requires local code execution on a system with the affected CCP crypto driver and algorithm available.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-53016"
},
{
"category": "external",
"summary": "RHBZ#2492269",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492269"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-53016",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53016"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-53016",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53016"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026062451-CVE-2026-53016-90ac@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026062451-CVE-2026-53016-90ac@gregkh/T"
}
],
"release_date": "2026-06-24T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-08-25T15:23:20+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"url": "https://access.redhat.com/errata/RHSA-2026:59473"
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"details": "To mitigate this issue, prevent module ccp-crypto from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.",
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{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: crypto: ccp - copy IV using skcipher ivsize"
},
{
"cve": "CVE-2026-63888",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2026-07-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2502443"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s iSCSI (Internet Small Computer System Interface) target subsystem. This vulnerability involves a buffer overread and a double-free error when processing iSCSI Text commands. A remote attacker could exploit these issues by sending specially crafted network packets, leading to a kernel crash or memory corruption. This could result in a Denial of Service (DoS) for the affected system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd()",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-63888"
},
{
"category": "external",
"summary": "RHBZ#2502443",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502443"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-63888",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63888"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-63888",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63888"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63888-a5d6@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63888-a5d6@gregkh/T"
}
],
"release_date": "2026-07-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-08-25T15:23:20+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"BaseOS-8.6.0.Z.EUS.EXTENSION:kernel-tools-libs-0:4.18.0-372.208.1.el8_6.x86_64",
"BaseOS-8.6.0.Z.EUS.EXTENSION:perf-0:4.18.0-372.208.1.el8_6.x86_64",
"BaseOS-8.6.0.Z.EUS.EXTENSION:perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64",
"BaseOS-8.6.0.Z.EUS.EXTENSION:python3-perf-0:4.18.0-372.208.1.el8_6.x86_64",
"BaseOS-8.6.0.Z.EUS.EXTENSION:python3-perf-debuginfo-0:4.18.0-372.208.1.el8_6.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd()"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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