Vulnerability-Lookup

VAR-201906-1175

Vulnerability from variot - Updated: 2026-04-10 22:14

Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit 3b4929f65b0d8249f19a50245cd88ed1a2f78cff. Multiple TCP Selective Acknowledgement (SACK) and Maximum Segment Size (MSS) networking vulnerabilities may cause denial-of-service conditions in Linux and FreeBSD kernels. Linux Kernel Exists in an integer overflow vulnerability.Service operation interruption (DoS) It may be in a state. 7.4) - ppc64, ppc64le, x86_64

7.3) - noarch, x86_64

Bug Fix(es):

THP: Race between MADV_DONTNEED and NUMA hinting node migration code (BZ#1698104)
[RHEL7] md_clear flag missing from /proc/cpuinfo on late microcode update (BZ#1712990)
[RHEL7] MDS mitigations are not enabled after double microcode update (BZ#1712995)
WARNING: CPU: 0 PID: 0 at kernel/jump_label.c:90 __static_key_slow_dec+0xa6/0xb0 (BZ#1713001)
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security update Advisory ID: RHSA-2019:1481-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:1481 Issue date: 2019-06-17 CVE Names: CVE-2019-11477 CVE-2019-11478 CVE-2019-11479 ==================================================================== 1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.

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.

Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Description:

The kernel packages contain the Linux kernel, the core of any Linux operating system. While processing SACK segments, the Linux kernel's socket buffer (SKB) data structure becomes fragmented. Each fragment is about TCP maximum segment size (MSS) bytes. To efficiently process SACK blocks, the Linux kernel merges multiple fragmented SKBs into one, potentially overflowing the variable holding the number of segments. A remote attacker could use this flaw to crash the Linux kernel by sending a crafted sequence of SACK segments on a TCP connection with small value of TCP MSS, resulting in a denial of service (DoS). (CVE-2019-11477)

Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service (CVE-2019-11478)
Kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service (CVE-2019-11479)

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.

Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Bugs fixed (https://bugzilla.redhat.com/):

1719123 - CVE-2019-11477 Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service 1719128 - CVE-2019-11478 Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service 1719129 - CVE-2019-11479 Kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service

Package List:

Red Hat Enterprise Linux Client (v. 7):

Source: kernel-3.10.0-957.21.3.el7.src.rpm

noarch: kernel-abi-whitelists-3.10.0-957.21.3.el7.noarch.rpm kernel-doc-3.10.0-957.21.3.el7.noarch.rpm

x86_64: bpftool-3.10.0-957.21.3.el7.x86_64.rpm kernel-3.10.0-957.21.3.el7.x86_64.rpm kernel-debug-3.10.0-957.21.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.21.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm kernel-devel-3.10.0-957.21.3.el7.x86_64.rpm kernel-headers-3.10.0-957.21.3.el7.x86_64.rpm kernel-tools-3.10.0-957.21.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.21.3.el7.x86_64.rpm perf-3.10.0-957.21.3.el7.x86_64.rpm perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm python-perf-3.10.0-957.21.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64: kernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.21.3.el7.x86_64.rpm perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source: kernel-3.10.0-957.21.3.el7.src.rpm

noarch: kernel-abi-whitelists-3.10.0-957.21.3.el7.noarch.rpm kernel-doc-3.10.0-957.21.3.el7.noarch.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Red Hat Enterprise Linux Server (v. 7):

Source: kernel-3.10.0-957.21.3.el7.src.rpm

noarch: kernel-abi-whitelists-3.10.0-957.21.3.el7.noarch.rpm kernel-doc-3.10.0-957.21.3.el7.noarch.rpm

ppc64: kernel-3.10.0-957.21.3.el7.ppc64.rpm kernel-bootwrapper-3.10.0-957.21.3.el7.ppc64.rpm kernel-debug-3.10.0-957.21.3.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm kernel-debug-devel-3.10.0-957.21.3.el7.ppc64.rpm kernel-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-957.21.3.el7.ppc64.rpm kernel-devel-3.10.0-957.21.3.el7.ppc64.rpm kernel-headers-3.10.0-957.21.3.el7.ppc64.rpm kernel-tools-3.10.0-957.21.3.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm kernel-tools-libs-3.10.0-957.21.3.el7.ppc64.rpm perf-3.10.0-957.21.3.el7.ppc64.rpm perf-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm python-perf-3.10.0-957.21.3.el7.ppc64.rpm python-perf-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm

ppc64le: kernel-3.10.0-957.21.3.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-957.21.3.el7.ppc64le.rpm kernel-debug-3.10.0-957.21.3.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.21.3.el7.ppc64le.rpm kernel-devel-3.10.0-957.21.3.el7.ppc64le.rpm kernel-headers-3.10.0-957.21.3.el7.ppc64le.rpm kernel-tools-3.10.0-957.21.3.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm kernel-tools-libs-3.10.0-957.21.3.el7.ppc64le.rpm perf-3.10.0-957.21.3.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm python-perf-3.10.0-957.21.3.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm

s390x: kernel-3.10.0-957.21.3.el7.s390x.rpm kernel-debug-3.10.0-957.21.3.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-957.21.3.el7.s390x.rpm kernel-debug-devel-3.10.0-957.21.3.el7.s390x.rpm kernel-debuginfo-3.10.0-957.21.3.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-957.21.3.el7.s390x.rpm kernel-devel-3.10.0-957.21.3.el7.s390x.rpm kernel-headers-3.10.0-957.21.3.el7.s390x.rpm kernel-kdump-3.10.0-957.21.3.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-957.21.3.el7.s390x.rpm kernel-kdump-devel-3.10.0-957.21.3.el7.s390x.rpm perf-3.10.0-957.21.3.el7.s390x.rpm perf-debuginfo-3.10.0-957.21.3.el7.s390x.rpm python-perf-3.10.0-957.21.3.el7.s390x.rpm python-perf-debuginfo-3.10.0-957.21.3.el7.s390x.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64: kernel-debug-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm kernel-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-957.21.3.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-957.21.3.el7.ppc64.rpm perf-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm python-perf-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm

ppc64le: kernel-debug-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm kernel-debug-devel-3.10.0-957.21.3.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.21.3.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-957.21.3.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source: kernel-3.10.0-957.21.3.el7.src.rpm

noarch: kernel-abi-whitelists-3.10.0-957.21.3.el7.noarch.rpm kernel-doc-3.10.0-957.21.3.el7.noarch.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

References:

https://access.redhat.com/security/cve/CVE-2019-11477 https://access.redhat.com/security/cve/CVE-2019-11478 https://access.redhat.com/security/cve/CVE-2019-11479 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/tcpsack

Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/

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-- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce .

Bug Fix(es):

MDS mitigations not enabled on Intel Skylake CPUs (BZ#1713025)
[RHEL6] md_clear flag missing from /proc/cpuinfo (BZ#1713028)
RHEL6 kernel does not disable SMT with mds=full,nosmt (BZ#1713043)
8) - aarch64, noarch, ppc64le, s390x, x86_64

Bug Fix(es):

[HPE 8.0 Bug] nvme drive power button does not turn off drive (BZ#1700288)
RHEL8.0 - hw csum failure seen in dmesg and console (using mlx5/mlx4/Mellanox) (BZ#1700289)
RHEL8.0 - vfio-ap: add subsystem to matrix device to avoid libudev failures (kvm) (BZ#1700290)
[FJ8.1 Bug]: Make Fujitsu Erratum 010001 patch work on A64FX v1r0 (BZ#1700901)
[FJ8.0 Bug]: Fujitsu A64FX processor errata - panic by unknown fault (BZ#1700902)
RHEL 8.0 Snapshot 4 - nvme create-ns command hangs after creating 20 namespaces on Bolt (NVMe) (BZ#1701140)
[Cavium/Marvell 8.0 qed] Fix qed_mcp_halt() and qed_mcp_resume() (backporting bug) (BZ#1704184)
[Intel 8.1 Bug] PBF: Base frequency display fix (BZ#1706739)
[RHEL8]read/write operation not permitted to /sys/kernel/debug/gcov/reset (BZ#1708100)
RHEL8.0 - ISST-LTE:pVM:fleetwood:LPM:raylp85:After lpm seeing the console logs on the the lpar at target side (BZ#1708102)
RHEL8.0 - Backport support for software count cache flush Spectre v2 mitigation (BZ#1708112)
[Regression] RHEL8.0 - System crashed with one stress-ng-mremap stressor on Boston (kvm host) (BZ#1708617)
[intel ice Rhel 8 RC1] ethtool -A ethx causes interfaces to go down (BZ#1709433)
Description:

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Bug Fix(es):

kernel-rt: update to the RHEL8.0.z batch#1 source tree (BZ#1704955)

Show details on source website

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{
  "affected_products": {
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        "_id": null,
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        "_id": null,
        "model": "big-ip fraud protection service",
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      {
        "_id": null,
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      {
        "_id": null,
        "model": "big-ip fraud protection service",
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      {
        "_id": null,
        "model": "big-ip domain name system",
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      {
        "_id": null,
        "model": "ubuntu linux",
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      {
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        "model": "big-ip global traffic manager",
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      {
        "_id": null,
        "model": "big-ip link controller",
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        "_id": null,
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      {
        "_id": null,
        "model": "big-ip application acceleration manager",
        "scope": "gte",
        "trust": 1.0,
        "vendor": "f5",
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      {
        "_id": null,
        "model": "big-ip webaccelerator",
        "scope": "lte",
        "trust": 1.0,
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      {
        "_id": null,
        "model": "big-ip analytics",
        "scope": "gte",
        "trust": 1.0,
        "vendor": "f5",
        "version": "13.1.0"
      },
      {
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    ],
    "sources": [
      {
        "db": "CERT/CC",
        "id": "VU#905115"
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        "id": "JVNDB-2019-005619"
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  "description": {
    "_id": null,
    "data": "Jonathan Looney discovered that the TCP_SKB_CB(skb)-\u003etcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit 3b4929f65b0d8249f19a50245cd88ed1a2f78cff. Multiple TCP Selective Acknowledgement (SACK) and Maximum Segment Size (MSS) networking vulnerabilities may cause denial-of-service conditions in Linux and FreeBSD kernels. Linux Kernel Exists in an integer overflow vulnerability.Service operation interruption (DoS) It may be in a state. 7.4) - ppc64, ppc64le, x86_64\n\n3. 7.3) - noarch, x86_64\n\n3. \n\nBug Fix(es):\n\n* THP: Race between MADV_DONTNEED and NUMA hinting node migration code\n(BZ#1698104)\n\n* [RHEL7] md_clear flag missing from /proc/cpuinfo on late microcode update\n(BZ#1712990)\n\n* [RHEL7] MDS mitigations are not enabled after double microcode update\n(BZ#1712995)\n\n* WARNING: CPU: 0 PID: 0 at kernel/jump_label.c:90\n__static_key_slow_dec+0xa6/0xb0 (BZ#1713001)\n\n4. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n====================================================================                   \nRed Hat Security Advisory\n\nSynopsis:          Important: kernel security update\nAdvisory ID:       RHSA-2019:1481-01\nProduct:           Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2019:1481\nIssue date:        2019-06-17\nCVE Names:         CVE-2019-11477 CVE-2019-11478 CVE-2019-11479\n====================================================================\n1. Summary:\n\nAn update for kernel is now available for Red Hat Enterprise Linux 7. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux Client (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux Client Optional (v. 7) - x86_64\nRed Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64\nRed Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64\nRed Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux Workstation Optional (v. 7) - x86_64\n\n3. Description:\n\nThe kernel packages contain the Linux kernel, the core of any Linux\noperating system. While processing SACK segments, the Linux kernel\u0027s socket buffer\n(SKB) data structure becomes fragmented. Each fragment is about TCP maximum\nsegment size (MSS) bytes. To efficiently process SACK blocks, the Linux\nkernel merges multiple fragmented SKBs into one, potentially overflowing\nthe variable holding the number of segments. A remote attacker could use\nthis flaw to crash the Linux kernel by sending a crafted sequence of SACK\nsegments on a TCP connection with small value of TCP MSS, resulting in a\ndenial of service (DoS). (CVE-2019-11477)\n\n* Kernel: tcp: excessive resource consumption while processing SACK blocks\nallows remote denial of service (CVE-2019-11478)\n\n* Kernel: tcp: excessive resource consumption for TCP connections with low\nMSS allows remote denial of service (CVE-2019-11479)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed 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\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1719123 - CVE-2019-11477 Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service\n1719128 - CVE-2019-11478 Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service\n1719129 - CVE-2019-11479 Kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service\n\n6. Package List:\n\nRed Hat Enterprise Linux Client (v. 7):\n\nSource:\nkernel-3.10.0-957.21.3.el7.src.rpm\n\nnoarch:\nkernel-abi-whitelists-3.10.0-957.21.3.el7.noarch.rpm\nkernel-doc-3.10.0-957.21.3.el7.noarch.rpm\n\nx86_64:\nbpftool-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-devel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-devel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-headers-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-libs-3.10.0-957.21.3.el7.x86_64.rpm\nperf-3.10.0-957.21.3.el7.x86_64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Client Optional (v. 7):\n\nx86_64:\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-libs-devel-3.10.0-957.21.3.el7.x86_64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nkernel-3.10.0-957.21.3.el7.src.rpm\n\nnoarch:\nkernel-abi-whitelists-3.10.0-957.21.3.el7.noarch.rpm\nkernel-doc-3.10.0-957.21.3.el7.noarch.rpm\n\nx86_64:\nbpftool-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-devel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-devel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-headers-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-libs-3.10.0-957.21.3.el7.x86_64.rpm\nperf-3.10.0-957.21.3.el7.x86_64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode Optional (v. 7):\n\nx86_64:\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-libs-devel-3.10.0-957.21.3.el7.x86_64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Server (v. 7):\n\nSource:\nkernel-3.10.0-957.21.3.el7.src.rpm\n\nnoarch:\nkernel-abi-whitelists-3.10.0-957.21.3.el7.noarch.rpm\nkernel-doc-3.10.0-957.21.3.el7.noarch.rpm\n\nppc64:\nkernel-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-bootwrapper-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-debug-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-debug-devel-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-debuginfo-common-ppc64-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-devel-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-headers-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-tools-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-tools-libs-3.10.0-957.21.3.el7.ppc64.rpm\nperf-3.10.0-957.21.3.el7.ppc64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\npython-perf-3.10.0-957.21.3.el7.ppc64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\n\nppc64le:\nkernel-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-bootwrapper-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-debug-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-debuginfo-common-ppc64le-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-devel-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-headers-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-tools-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-tools-libs-3.10.0-957.21.3.el7.ppc64le.rpm\nperf-3.10.0-957.21.3.el7.ppc64le.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\npython-perf-3.10.0-957.21.3.el7.ppc64le.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\n\ns390x:\nkernel-3.10.0-957.21.3.el7.s390x.rpm\nkernel-debug-3.10.0-957.21.3.el7.s390x.rpm\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.s390x.rpm\nkernel-debug-devel-3.10.0-957.21.3.el7.s390x.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.s390x.rpm\nkernel-debuginfo-common-s390x-3.10.0-957.21.3.el7.s390x.rpm\nkernel-devel-3.10.0-957.21.3.el7.s390x.rpm\nkernel-headers-3.10.0-957.21.3.el7.s390x.rpm\nkernel-kdump-3.10.0-957.21.3.el7.s390x.rpm\nkernel-kdump-debuginfo-3.10.0-957.21.3.el7.s390x.rpm\nkernel-kdump-devel-3.10.0-957.21.3.el7.s390x.rpm\nperf-3.10.0-957.21.3.el7.s390x.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.s390x.rpm\npython-perf-3.10.0-957.21.3.el7.s390x.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.s390x.rpm\n\nx86_64:\nbpftool-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-devel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-devel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-headers-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-libs-3.10.0-957.21.3.el7.x86_64.rpm\nperf-3.10.0-957.21.3.el7.x86_64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional (v. 7):\n\nppc64:\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-debuginfo-common-ppc64-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\nkernel-tools-libs-devel-3.10.0-957.21.3.el7.ppc64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.ppc64.rpm\n\nppc64le:\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-debug-devel-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-debuginfo-common-ppc64le-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\nkernel-tools-libs-devel-3.10.0-957.21.3.el7.ppc64le.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.ppc64le.rpm\n\nx86_64:\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-libs-devel-3.10.0-957.21.3.el7.x86_64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nkernel-3.10.0-957.21.3.el7.src.rpm\n\nnoarch:\nkernel-abi-whitelists-3.10.0-957.21.3.el7.noarch.rpm\nkernel-doc-3.10.0-957.21.3.el7.noarch.rpm\n\nx86_64:\nbpftool-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debug-devel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-devel-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-headers-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-libs-3.10.0-957.21.3.el7.x86_64.rpm\nperf-3.10.0-957.21.3.el7.x86_64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation Optional (v. 7):\n\nx86_64:\nkernel-debug-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\nkernel-tools-libs-devel-3.10.0-957.21.3.el7.x86_64.rpm\nperf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-957.21.3.el7.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2019-11477\nhttps://access.redhat.com/security/cve/CVE-2019-11478\nhttps://access.redhat.com/security/cve/CVE-2019-11479\nhttps://access.redhat.com/security/updates/classification/#important\nhttps://access.redhat.com/security/vulnerabilities/tcpsack\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2019 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\nrjP0JW27B5U=rNYS\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://www.redhat.com/mailman/listinfo/rhsa-announce\n. \n\nBug Fix(es):\n\n* MDS mitigations not enabled on Intel Skylake CPUs (BZ#1713025)\n\n* [RHEL6] md_clear flag missing from /proc/cpuinfo (BZ#1713028)\n\n* RHEL6 kernel does not disable SMT with mds=full,nosmt (BZ#1713043)\n\n4. 8) - aarch64, noarch, ppc64le, s390x, x86_64\n\n3. \n\nBug Fix(es):\n\n* [HPE 8.0 Bug] nvme drive power button does not turn off drive\n(BZ#1700288)\n\n* RHEL8.0 - hw csum failure seen in dmesg and console (using\nmlx5/mlx4/Mellanox) (BZ#1700289)\n\n* RHEL8.0 - vfio-ap: add subsystem to matrix device to avoid libudev\nfailures (kvm) (BZ#1700290)\n\n* [FJ8.1 Bug]: Make Fujitsu Erratum 010001 patch work on A64FX v1r0\n(BZ#1700901)\n\n* [FJ8.0 Bug]: Fujitsu A64FX processor errata - panic by unknown fault\n(BZ#1700902)\n\n* RHEL 8.0 Snapshot 4 - nvme create-ns command hangs after creating 20\nnamespaces on Bolt (NVMe) (BZ#1701140)\n\n* [Cavium/Marvell 8.0 qed] Fix qed_mcp_halt() and qed_mcp_resume()\n(backporting bug) (BZ#1704184)\n\n* [Intel 8.1 Bug] PBF: Base frequency display fix (BZ#1706739)\n\n* [RHEL8]read/write operation not permitted to /sys/kernel/debug/gcov/reset\n(BZ#1708100)\n\n* RHEL8.0 - ISST-LTE:pVM:fleetwood:LPM:raylp85:After lpm seeing the\nconsole logs on the the lpar at  target side (BZ#1708102)\n\n* RHEL8.0 - Backport support for software count cache flush Spectre v2\nmitigation (BZ#1708112)\n\n* [Regression] RHEL8.0 - System crashed with one stress-ng-mremap stressor\non Boston (kvm host) (BZ#1708617)\n\n* [intel ice Rhel 8 RC1] ethtool -A ethx causes interfaces to go down\n(BZ#1709433)\n\n4. Description:\n\nThe kernel-rt packages provide the Real Time Linux Kernel, which enables\nfine-tuning for systems with extremely high determinism requirements. \n\nBug Fix(es):\n\n* kernel-rt: update to the RHEL8.0.z batch#1 source tree (BZ#1704955)\n\n4",
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CVE-2019-11477 (GCVE-0-2019-11477)

Vulnerability from cvelistv5 – Published: 2019-06-18 23:34 – Updated: 2024-09-17 02:21

Title

Integer overflow in TCP_SKB_CB(skb)->tcp_gso_segs

Summary

Severity ?

7.5 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

canonical

References

URL

Tags

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	http://www.openwall.com/lists/oss-security/2019/06/20/3	mailing-listx_refsource_MLIST
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	https://support.f5.com/csp/article/K78234183	x_refsource_CONFIRM
	http://packetstormsecurity.com/files/153346/Kerne…	x_refsource_MISC
	https://kb.pulsesecure.net/articles/Pulse_Securit…	x_refsource_CONFIRM
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	https://security.netapp.com/advisory/ntap-2019062…	x_refsource_CONFIRM
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	https://kc.mcafee.com/corporate/index?page=conten…	x_refsource_CONFIRM
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	https://www.us-cert.gov/ics/advisories/icsa-19-253-03	x_refsource_MISC
	http://packetstormsecurity.com/files/154951/Kerne…	x_refsource_MISC
	http://www.huawei.com/en/psirt/security-advisorie…	x_refsource_CONFIRM
	http://www.arubanetworks.com/assets/alert/ARUBA-P…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	Linux	Linux kernel	Affected: 4.4 , < 4.4.182 (custom) Affected: 4.9 , < 4.9.182 (custom) Affected: 4.14 , < 4.14.127 (custom) Affected: 4.19 , < 4.19.52 (custom) Affected: 5.1 , < 5.1.11 (custom)

Date Public ?

2019-06-17 00:00

Credits

Jonathan Looney from Netflix

Show details on NVD website

JSON

To clipboard

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              "name": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
            },
            {
              "name": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-en",
              "refsource": "CONFIRM",
              "url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-en"
            },
            {
              "name": "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt",
              "refsource": "CONFIRM",
              "url": "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt"
            }
          ]
        },
        "source": {
          "advisory": "https://usn.ubuntu.com/4017-1",
          "defect": [
            "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1831637"
          ],
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2019-11477",
    "datePublished": "2019-06-18T23:34:51.026Z",
    "dateReserved": "2019-04-23T00:00:00.000Z",
    "dateUpdated": "2024-09-17T02:21:15.995Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-201906-1175

CVE-2019-11477 (GCVE-0-2019-11477)

Tags

Sightings

Nomenclature