Medium severity5.5NVD Advisory· Published Apr 24, 2026· Updated Apr 28, 2026
CVE-2026-31542
CVE-2026-31542
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.
AI Insight
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Affected products
5cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.5,<6.6.130
- cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/1f6aa5bbf1d0f81a8a2aafc16136e7dd9a609ff3nvdPatch
- git.kernel.org/stable/c/79f0faf81d3bbbe5f07bf6892450d3740a1b290dnvdPatch
- git.kernel.org/stable/c/9956d4892e78812246336c7ea51f5aa62018049envdPatch
- git.kernel.org/stable/c/c1cf2218d2fa40a49921a7460981e5faab26f04envdPatch
- git.kernel.org/stable/c/c51957601d32c0d195bce0b9345dfe93ef5728ccnvdPatch
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