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Vulnerabilities

Vulnerability · RLSA-2026:81406

Important: kernel security, bug fix, and enhancement update

Published Oct 14, 2026 · catalog updated Oct 14, 2026 · Important: kernel security, bug

Open the advisory

Exploitation likelihood is not on this record for RLSA-2026:81406. A missing EPSS score is not a low risk. Compare Important: kernel security, bug with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Important: kernel security, bug).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Advisory link
Affected products
Rocky Linux:10 kernel

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: thermal: core: Fix thermal zone device registration error path (CVE-2026-43332) * kernel: macsec: fix replay protection at XPN lower-PN wrap (CVE-2026-63925) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) * kernel: Kernel SMB client: Double-free vulnerability allows remote denial of service or privilege escalation (CVE-2026-64385) * kernel: bpf: Support for hardening against JIT spraying (CVE-2026-64508) * kernel: x86/bugs: Enable IBPB flush on BPF JIT allocation (CVE-2026-64507) * kernel: openvswitch: fix GSO userspace truncation underflow (CVE-2026-68123) * kernel: cifs: validate DFS referral string offsets (CVE-2026-72318) * kernel: KVM: arm64: vgic: Check the interrupt is still ours before migrating it (CVE-2026-72289) * kernel: af_unix: Unlink scc_entry in unix_del_edge() (CVE-2026-80521) * kernel: nvmet-auth: Synchronize timeout work during SQ teardown (CVE-2026-89970) Bug Fix(es) and Enhancement(s): * net/tls backports for 10.2 (JIRA:Rocky Linux-275027) 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Rocky Linux:10 kernel0 → 0:6.12.0-211.65.1.el10_2

How to fix RLSA-2026:81406

  • Recommended remediation

    A patch or advisory reference is linked. Open the original publisher for availability by product version.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for RLSA-2026:81406. A missing EPSS score is not a low risk. Compare Important: kernel security, bug with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0 → 0:6.12.0-211.65.1.el10_2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: thermal: core: Fix thermal zone device registration error path (CVE-2026-43332) * kernel: macsec: fix replay protection at XPN lower-PN wrap (CVE-2026-63925) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) * kernel: Kernel SMB client: Double-free vu

  2. Oct 14, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel fixed in 0:6.12.0-211.65.1.el10_2

  3. Oct 14, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel fixed in 0:6.12.0-211.65.1.el10_2

  4. Oct 14, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: thermal: core: Fix thermal zone device registration error path (CVE-2026-43332) * kernel: macsec: fix replay protection at XPN lower-PN wrap (CVE-2026-63925) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) * kernel: Kernel SMB client: Double-free vu

Sources

References

Freshness

Last verified in this catalog Oct 14, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.