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TI-2022-25105 Aliases CVE-2022-49596GHSA-qgq3-m3fr-7c5x

tcp: Fix data-races around sysctl_tcp_min_snd_mss.

Priority LOW 21CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 3 fixed, 4 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_min_snd_mss. While reading sysctl_tcp_min_snd_mss, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00185 8th percentileScored 2026-11-07
Fix Partial Linux (Linux): 3.17, 4.5, 4.10 +8Red Hat: 1 advisoryRed Hat: 3 fixed, 4 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux3.16.69 to before 3.17; 4.4.182 to before 4.5; 4.9.182 to before 4.10; 4.14.127 to before 4.15; 4.19.52 to before 4.20; 5.1.11 to before 5.23.17, 4.5, 4.10, 4.15, 4.20, 5.2Patch availableCNA
LinuxLinux5.2 and later5.4.208, 5.10.134, 5.15.58, 5.18.15, 5.19Patch availableCNA
  • Linux VendorLinux Affected 3.16.69 to before 3.17; 4.4.182 to before 4.5; 4.9.182 to before 4.10; 4.14.127 to before 4.15; 4.19.52 to before 4.20; 5.1.11 to before 5.2 Fixed in 3.17, 4.5, 4.10, 4.15, 4.20, 5.2 Patch available CNA
  • Linux VendorLinux Affected 5.2 and later Fixed in 5.4.208, 5.10.134, 5.15.58, 5.18.15, 5.19 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*3.16.69 to before 3.17; 4.4.182 to before 4.5; 4.9.182 to before 4.10; 4.14.127 to before 4.15; 4.19.52 to before 4.20; 5.1.11 to before 5.4.208; 5.5 to before 5.10.134; 5.11 to before 5.15.58; 5.16 to before 5.18.15VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*5.19 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*5.19 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*5.19 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*5.19 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*5.19 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*5.19 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*5.19 rc7VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.16.69 to before 3.17; 4.4.182 to before 4.5; 4.9.182 to before 4.10; 4.14.127 to before 4.15; 4.19.52 to before 4.20; 5.1.11 to before 5.4.208; 5.5 to before 5.10.134; 5.11 to before 5.15.58; 5.16 to before 5.18.15 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* Versions 5.19 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* Versions 5.19 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* Versions 5.19 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:* Versions 5.19 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:* Versions 5.19 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:* Versions 5.19 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:* Versions 5.19 rc7 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 3.17, 4.5, 4.10, 4.15, 4.20, 5.2
  • Fix · CNA Linux (Linux) Fixed in 5.4.208, 5.10.134, 5.15.58, 5.18.15, 5.19

Red Hat 1 advisory

  • RHSA-2023:2458 Released 2023-05-09 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-284.11.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.11.1.el9_2, kernel-64k-devel-5.14.0-284.11.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.0.0-284.11.1.el9_2, kernel-5.14.0-284.11.1.el9_2, kernel-64k-5.14.0-284.11.1.el9_2 +29
    • Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-284.11.1.el9_2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:2458
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2023:2458
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:2458
Not affected: 1 product
  • Red Hat Enterprise Linux 10

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-49596
  2. 2026-10-03 Alias added: GHSA-qgq3-m3fr-7c5x

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources