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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.

PUBLISHED Reserved 2026-03-09 | Published 2026-04-24 | Updated 2026-04-24 | Assigner Linux

Product status

Default status
unaffected

8a50c58519271dd24ba760bb282875f6ad66ee71 (git) before c51957601d32c0d195bce0b9345dfe93ef5728cc
affected

8a50c58519271dd24ba760bb282875f6ad66ee71 (git) before 9956d4892e78812246336c7ea51f5aa62018049e
affected

8a50c58519271dd24ba760bb282875f6ad66ee71 (git) before 79f0faf81d3bbbe5f07bf6892450d3740a1b290d
affected

8a50c58519271dd24ba760bb282875f6ad66ee71 (git) before c1cf2218d2fa40a49921a7460981e5faab26f04e
affected

8a50c58519271dd24ba760bb282875f6ad66ee71 (git) before 1f6aa5bbf1d0f81a8a2aafc16136e7dd9a609ff3
affected

Default status
affected

6.5
affected

Any version before 6.5
unaffected

6.6.130 (semver)
unaffected

6.12.78 (semver)
unaffected

6.18.20 (semver)
unaffected

6.19.10 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/c51957601d32c0d195bce0b9345dfe93ef5728cc

git.kernel.org/...c/9956d4892e78812246336c7ea51f5aa62018049e

git.kernel.org/...c/79f0faf81d3bbbe5f07bf6892450d3740a1b290d

git.kernel.org/...c/c1cf2218d2fa40a49921a7460981e5faab26f04e

git.kernel.org/...c/1f6aa5bbf1d0f81a8a2aafc16136e7dd9a609ff3

cve.org (CVE-2026-31542)

nvd.nist.gov (CVE-2026-31542)

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