RHSA-2026:94303
Vulnerability from csaf_redhat - Published: 2026-11-03 05:53 - Updated: 2026-11-09 14:17Summary
Red Hat Security Advisory: kernel security update
Severity
Critical
Notes
Topic: An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.
Red Hat Product Security has rated this update as having a security impact of Critical. 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: ipv4: free inet_opt and ireq_opt after an RCU grace period (CVE-2026-98432)
* kernel: ZDI-CAN-33367: Linux Kernel skbuff skb_zerocopy Improper Ownership Management Local Privilege Escalation Vulnerability ()
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 IPv4 networking subsystem. A race condition occurs during concurrent processing of retransmitted Transmission Control Protocol (TCP) connection requests or socket migrations, allowing socket options to be freed while still in use. A remote attacker could exploit this vulnerability by sending specially timed network requests, triggering a use-after-free condition. This could results in system crash leading to a Denial of Service (DoS), memory corruption, or remote code execution.
9.8 (Critical)
Affected products
Fixed
72 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-0:4.18.0-477.178.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-debuginfo-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-0:4.18.0-477.178.1.el8_8.src | — |
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fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-abi-stablelists-0:4.18.0-477.178.1.el8_8.noarch | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-core-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-core-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-core-0:4.18.0-477.178.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-core-0:4.18.0-477.178.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-debuginfo-0:4.18.0-477.178.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-devel-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-devel-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-extra-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-extra-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-common-ppc64le-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-common-x86_64-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-devel-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-devel-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-doc-0:4.18.0-477.178.1.el8_8.noarch | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-extra-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-extra-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-debuginfo-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-libs-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-libs-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-debuginfo-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-debuginfo-0:4.18.0-477.178.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:bpftool-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:bpftool-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-0:4.18.0-477.178.1.el8_8.src | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-0:4.18.0-477.178.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-abi-stablelists-0:4.18.0-477.178.1.el8_8.noarch | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-core-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-core-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-devel-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-modules-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-modules-extra-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debuginfo-common-x86_64-0:4.18.0-477.178.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-devel-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-doc-0:4.18.0-477.178.1.el8_8.noarch | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-modules-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-modules-extra-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-tools-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-tools-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-tools-libs-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:perf-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:perf-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:python3-perf-0:4.18.0-477.178.1.el8_8.x86_64 | — |
Vendor Fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:python3-perf-debuginfo-0:4.18.0-477.178.1.el8_8.x86_64 | — |
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Workaround
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Threats
Impact
Critical
A flaw was found in the Linux kernel. A local unprivileged user could exploit this flaw to achieve privilege escalation by modifying read-only files cached in memory. The issue occurs because the networking subsystem fails to preserve shared memory indicators when transferring network data buffers. Consequently, subsequent operations such as Encapsulating Security Payload (ESP) decryption modify shared memory pages directly in place rather than creating a safe copy.
7.8 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2026-98432
Threats
Impact
Important
References
19 references
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"cve": "CVE-2026-98432",
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"name": "Expired Pointer Dereference"
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"discovery_date": "2026-10-15T00:00:00+00:00",
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"system_name": "Red Hat Bugzilla ID",
"text": "2553390"
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{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s IPv4 networking subsystem. A race condition occurs during concurrent processing of retransmitted Transmission Control Protocol (TCP) connection requests or socket migrations, allowing socket options to be freed while still in use. A remote attacker could exploit this vulnerability by sending specially timed network requests, triggering a use-after-free condition. This could results in system crash leading to a Denial of Service (DoS), memory corruption, or remote code execution.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Critical severity for Red Hat Enterprise Linux because it allows an unauthenticated remote attacker to cause kernel memory corruption or an immediate system crash over standard IPv4 TCP network traffic without requiring local privileges or user interaction. In default enterprise configurations across Red Hat environments, TCP services accept incoming connections without specialized tuning, making the concurrent connection handling paths inherently exposed to remote networks. Although reliably executing arbitrary code through this timing-sensitive use-after-free scenario requires precise heap control, the lack of network prerequisites and the potential for severe system instability elevate the impact above Important.",
"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-2026-98432"
},
{
"category": "external",
"summary": "RHBZ#2553390",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2553390"
},
{
"category": "external",
"summary": "RHSB-2026-016",
"url": "https://access.redhat.com/security/vulnerabilities/RHSB-2026-016"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-98432",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-98432"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-98432",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98432"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98432.mbox",
"url": "https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98432.mbox"
}
],
"release_date": "2026-10-15T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-11-03T05:53:15+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-2026:94303"
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period"
},
{
"cve": "CVE-2026-99284",
"cwe": {
"id": "CWE-281",
"name": "Improper Preservation of Permissions"
},
"discovery_date": "2026-11-07T20:50:50.996937+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2568683"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel. A local unprivileged user could exploit this flaw to achieve privilege escalation by modifying read-only files cached in memory. The issue occurs because the networking subsystem fails to preserve shared memory indicators when transferring network data buffers. Consequently, subsequent operations such as Encapsulating Security Payload (ESP) decryption modify shared memory pages directly in place rather than creating a safe copy.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: kernel: privilege escalation via missing shared fragment flag in skb_zerocopy",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is classified as having an Important severity because it enables an authenticated local attacker to bypass system file protections and achieve root-level privilege escalation. In standard deployments, the Linux kernel networking subsystem mishandles shared buffer state during packet zero-copy procedures, which allows subsequent cryptographic operations to overwrite memory-cached pages belonging to write-protected system files. While exploiting the condition depends on interactions with packet processing pathways such as netfilter queueing or Open vSwitch, the resulting ability to alter sensitive files presents a severe threat to host integrity.",
"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"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-99284"
},
{
"category": "external",
"summary": "RHBZ#2568683",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2568683"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-99284",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-99284"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-99284",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-99284"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1a9c180cd8435917b7516edfb1c9148032c28773",
"url": "https://git.kernel.org/stable/c/1a9c180cd8435917b7516edfb1c9148032c28773"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1c623e3cbf43f12dd4a72712079bfa247a9b8ba3",
"url": "https://git.kernel.org/stable/c/1c623e3cbf43f12dd4a72712079bfa247a9b8ba3"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/79dc34beb1fdb3da79753e51e15c68591a2561fe",
"url": "https://git.kernel.org/stable/c/79dc34beb1fdb3da79753e51e15c68591a2561fe"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d7d6ff98d5d1b400f02211f962ac32cc0020aeab",
"url": "https://git.kernel.org/stable/c/d7d6ff98d5d1b400f02211f962ac32cc0020aeab"
}
],
"release_date": "2026-11-07T20:40:33.661000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-11-03T05:53:15+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-2026:94303"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "kernel: kernel: privilege escalation via missing shared fragment flag in skb_zerocopy"
}
]
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.