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VulnerabilityPublished

CVE-2026-99246: Linux kernel · tipc: protect node reset trace dump with node lock

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in fa8c78c0e49aa11fae116fd841e41aa8f2d68751 : patch Linux kernel soon.

Data as of 3 Nov 2026, 11:43 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in fa8c78c0e49aa11fae116fd841e41aa8f2d68751, dddf197f29ba5e47a476dde82bf542ca2e0d5e5e, c8b72ca0918e95f708f67c8b3e69b05290f2b6d2 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Nov 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 3 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ eb18a510b5cd4daeb9736ad8db57a9fc49db185b, < fa8c78c0e49aa11fae116fd841e41aa8f2d68751
Fixed in
  • fa8c78c0e49aa11fae116fd841e41aa8f2d68751
LinuxLinuxAffected
  • ≥ eb18a510b5cd4daeb9736ad8db57a9fc49db185b, < dddf197f29ba5e47a476dde82bf542ca2e0d5e5e
Fixed in
  • dddf197f29ba5e47a476dde82bf542ca2e0d5e5e
LinuxLinuxAffected
  • ≥ eb18a510b5cd4daeb9736ad8db57a9fc49db185b, < c8b72ca0918e95f708f67c8b3e69b05290f2b6d2
Fixed in
  • c8b72ca0918e95f708f67c8b3e69b05290f2b6d2
LinuxLinuxAffected
  • ≥ eb18a510b5cd4daeb9736ad8db57a9fc49db185b, < b8b7d28dc2b7472ffd1eff3954c38f1976b21a7b
Fixed in
  • b8b7d28dc2b7472ffd1eff3954c38f1976b21a7b
LinuxLinuxAffected
  • ≥ eb18a510b5cd4daeb9736ad8db57a9fc49db185b, < a6101d62ccfa153db8c218ce59362b8e0316fd4f
Fixed in
  • a6101d62ccfa153db8c218ce59362b8e0316fd4f
LinuxLinuxAffected
  • ≥ eb18a510b5cd4daeb9736ad8db57a9fc49db185b, < 7bb6a35bd6d69019539d8782fb590fd2aa8a3236
Fixed in
  • 7bb6a35bd6d69019539d8782fb590fd2aa8a3236

AI-suggested

A fix is available in the Linux kernel commits identified by the listed fixedVersions. Users should update to a Linux kernel version that includes these commits to remediate the vulnerability.

Description

A use-after-free vulnerability in the Linux kernel's TIPC subsystem was fixed by adding a node write lock around the node reset trace dump. The flaw allowed a trace event to access a link pointer after it was freed, causing a kernel memory safety issue.

References

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