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CVE-2026-31411VulnerabilityPublished Updated

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Affects Red Hat kernel security,Source GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-31411· High

Not known to be exploited · fixed in Red Hat package updates : patch Red Hat kernel security, soon.

Data as of 14 Nov 2026, 20:44 UTC

Severity
High

Rated by Threat Radar · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in e3f80666c2739296c3b69a127300455c43aa1067, c96549d07dfdd51aadf0722cfb40711574424840, ae88a5d2f29b69819dc7b04086734439d074a643 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < e3f80666c2739296c3b69a127300455c43aa1067
Fixed in
  • e3f80666c2739296c3b69a127300455c43aa1067
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < c96549d07dfdd51aadf0722cfb40711574424840
Fixed in
  • c96549d07dfdd51aadf0722cfb40711574424840
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ae88a5d2f29b69819dc7b04086734439d074a643
Fixed in
  • ae88a5d2f29b69819dc7b04086734439d074a643
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 440c9a5fc477a8ee259d8bf669531250b8398651
Fixed in
  • 440c9a5fc477a8ee259d8bf669531250b8398651
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 69d3f9ee5489e6e8b66defcfa226e91d82393297
Fixed in
  • 69d3f9ee5489e6e8b66defcfa226e91d82393297
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 21c303fec138c002f90ed33bce60e807d53072bb
Fixed in
  • 21c303fec138c002f90ed33bce60e807d53072bb

AI-suggested

Red Hat has released an official update for Red Hat Enterprise Linux 9 that addresses these vulnerabilities. Users should apply the kernel update as provided in Red Hat Security Advisory RHSA-2026:33285 and reboot their systems to ensure the fixes take effect. No additional mitigation steps are required beyond applying the official patch.

Description

A security update for the Linux kernel in Red Hat Enterprise Linux 9 addresses multiple vulnerabilities including a crash caused by an unvalidated VCC pointer in the ATM network code (CVE-2026-31411) and a cryptographic IV copying issue (CVE-2026-53016). The update also includes bug fixes and enhancements. The kernel is a critical component of the operating system, and these fixes prevent potential crashes and improve cryptographic operations.

References

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