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VulnerabilityPublished Updated

CVE-2024-36903: Linux kernel · ipv6: Fix potential uninit-value access in __ip6_make_skb()

Affects Linux kernelSource GCVE Database

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Not known to be exploited.

Data as of 10 Nov 2026, 14:50 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 May 2024

  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 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Linux LinuxAffected
  • 4.14.313 – 6.2.11
7 affected builds
Fixed in–

AI-suggested

A fix has been implemented in the Linux kernel to address this vulnerability. Users should update to the patched kernel versions listed as affected versions to remediate the issue.

Description

A vulnerability in the Linux kernel's IPv6 implementation was fixed to prevent potential uninitialized value access in the __ip6_make_skb() function. The issue was due to a race condition caused by improper flag checking, which could lead to uninitialized memory usage. This flaw was addressed by changing the flag check to FLOWI_FLAG_KNOWN_NH on fl6->flowi6_flags, similar to a previous fix for IPv4.

References

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