{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"c51957601d32c0d195bce0b9345dfe93ef5728cc","status":"affected","version":"8a50c58519271dd24ba760bb282875f6ad66ee71","versionType":"git"},{"lessThan":"9956d4892e78812246336c7ea51f5aa62018049e","status":"affected","version":"8a50c58519271dd24ba760bb282875f6ad66ee71","versionType":"git"},{"lessThan":"79f0faf81d3bbbe5f07bf6892450d3740a1b290d","status":"affected","version":"8a50c58519271dd24ba760bb282875f6ad66ee71","versionType":"git"},{"lessThan":"c1cf2218d2fa40a49921a7460981e5faab26f04e","status":"affected","version":"8a50c58519271dd24ba760bb282875f6ad66ee71","versionType":"git"},{"lessThan":"1f6aa5bbf1d0f81a8a2aafc16136e7dd9a609ff3","status":"affected","version":"8a50c58519271dd24ba760bb282875f6ad66ee71","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"6.5"},{"lessThan":"6.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.20","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-31542","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/platform/uv: Handle deconfigured sockets\n\nWhen a socket is deconfigured, it's mapped to SOCK_EMPTY (0xffff). This causes\na panic while allocating UV hub info structures.\n\nFix this by using NUMA_NO_NODE, allowing UV hub info structures to be\nallocated on valid nodes.","epss":{"date":"2026-11-05","percentile":0.01987,"score":0.00122},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793915107098,"publishedAt":1777041191205,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/c51957601d32c0d195bce0b9345dfe93ef5728cc"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/9956d4892e78812246336c7ea51f5aa62018049e"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/79f0faf81d3bbbe5f07bf6892450d3740a1b290d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/c1cf2218d2fa40a49921a7460981e5faab26f04e"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/1f6aa5bbf1d0f81a8a2aafc16136e7dd9a609ff3"}],"remediation":[],"revision":"ba97fc03719087f73c694b7e784eed18bb1f93017d357ddc8acb504a6bad45e6","sources":[{"modifiedAt":1793915107098,"name":"CNA: Linux","retrievedAt":1793917091772,"url":"https://www.cve.org/CVERecord?id=CVE-2026-31542"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793917102315,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-31542"}],"ssvc":{"assessedAt":1793914694430,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"x86/platform/uv: Handle deconfigured sockets","updatedAt":1793917102315}