Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: x86/platform/uv: Handle deconfigured sockets When a socket is deconfigured, it's mapped to SOCK_EMPTY (0xffff). This causes a panic while allocating UV hub info structures. Fix this by using NUMA_NO_NODE, allowing UV hub info structures to be allocated on valid nodes.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.5, < 6.6.130 |
References
- https://git.kernel.org/stable/c/1f6aa5bbf1d0f81a8a2aafc16136e7dd9a609ff3Patch
- https://git.kernel.org/stable/c/79f0faf81d3bbbe5f07bf6892450d3740a1b290dPatch
- https://git.kernel.org/stable/c/9956d4892e78812246336c7ea51f5aa62018049ePatch
- https://git.kernel.org/stable/c/c1cf2218d2fa40a49921a7460981e5faab26f04ePatch
- https://git.kernel.org/stable/c/c51957601d32c0d195bce0b9345dfe93ef5728ccPatch
FAQ
What is CVE-2026-31542?
CVE-2026-31542 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: x86/platform/uv: Handle deconfigured sockets When a socket is deconfigured, it's mapped to SOCK_EMPTY (0xffff). This causes a pani...
How severe is CVE-2026-31542?
CVE-2026-31542 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-2026-31542?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.