Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix potential uninit-value access in __ip6_make_skb() As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access in __ip_make_skb()") for IPv4, check FLOWI_FLAG_KNOWN_NH on fl6->flowi6_flags instead of testing HDRINCL on the socket to avoid a race condition which causes uninit-value access.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.14.313, < 4.15 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/2367bf254f3a27ecc6e229afd7a8b0a1395f7be3Patch
- https://git.kernel.org/stable/c/40e5444a3ac315b60e94d82226b73cd82145d09e
- https://git.kernel.org/stable/c/4e13d3a9c25b7080f8a619f961e943fe08c2672cPatch
- https://git.kernel.org/stable/c/59d74c843ebf46264c7903726cf6f2673a93b07a
- https://git.kernel.org/stable/c/68c8ba16ab712eb709c6bab80ff151079d11d97aPatch
- https://git.kernel.org/stable/c/a05c1ede50e9656f0752e523c7b54f3a3489e9a8
- https://git.kernel.org/stable/c/2367bf254f3a27ecc6e229afd7a8b0a1395f7be3Patch
- https://git.kernel.org/stable/c/4e13d3a9c25b7080f8a619f961e943fe08c2672cPatch
- https://git.kernel.org/stable/c/68c8ba16ab712eb709c6bab80ff151079d11d97aPatch
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
FAQ
What is CVE-2024-36903?
CVE-2024-36903 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix potential uninit-value access in __ip6_make_skb() As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access ...
How severe is CVE-2024-36903?
CVE-2024-36903 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-36903?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.