CVE-2026-43396

{"id": "CVE-2026-43396", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2026-05-08T15:16:51.010", "references": [{"url": "https://git.kernel.org/stable/c/05edc78eb4699e8e000a62aaa8dace50a17e19e3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0879c3f04f67e2a1677c25dcc24669ce21eb6a6c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f8f90b33934b307f6e4599b9fae38aa1ee5441a7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/sync: Fix user fence leak on alloc failure\n\nWhen dma_fence_chain_alloc() fails, properly release the user fence\nreference to prevent a memory leak.\n\n(cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0)"}], "lastModified": "2026-05-21T19:32:28.120", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2939340B-318A-4690-9965-6C309EF2A165", "versionEndExcluding": "6.18.20", "versionStartIncluding": "6.18.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E825E7C3-FEAC-4FD3-8A81-78D7387948C9", "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.18:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DCE57113-2223-4308-A0F2-5E6ECFBB3C23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.18:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2545FB83-C4A6-4F62-9ED1-09F75D2E3C78"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.18:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E955EC5D-4684-4B5D-AE4D-F2BF9ADDBA1D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.18:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "38C4D89F-9A13-4D29-8645-C9785C142C07"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}