{"id":"CVE-2026-43396","state":"PUBLISHED","title":"drm/xe/sync: Fix user fence leak on alloc failure","description":"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)","publishedAt":"2026-05-08T14:21:39.443Z","updatedAt":"2026-05-11T22:23:46.445Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0995c2fc39b0f998d40f5d276f67ae22fc1c37c3","status":"affected","lessThan":"05edc78eb4699e8e000a62aaa8dace50a17e19e3","versionType":"git"},{"version":"0995c2fc39b0f998d40f5d276f67ae22fc1c37c3","status":"affected","lessThan":"f8f90b33934b307f6e4599b9fae38aa1ee5441a7","versionType":"git"},{"version":"0995c2fc39b0f998d40f5d276f67ae22fc1c37c3","status":"affected","lessThan":"0879c3f04f67e2a1677c25dcc24669ce21eb6a6c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/xe/xe_sync.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.20","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.9","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/xe/xe_sync.c"]}],"references":["https://git.kernel.org/stable/c/05edc78eb4699e8e000a62aaa8dace50a17e19e3","https://git.kernel.org/stable/c/f8f90b33934b307f6e4599b9fae38aa1ee5441a7","https://git.kernel.org/stable/c/0879c3f04f67e2a1677c25dcc24669ce21eb6a6c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43396.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43396","state":"PUBLISHED","datePublished":"2026-05-08T14:21:39.443Z","dateUpdated":"2026-05-11T22:23:46.445Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:56.007Z"},"containers":{"cna":{"title":"drm/xe/sync: Fix user fence leak on alloc failure","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)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0995c2fc39b0f998d40f5d276f67ae22fc1c37c3","status":"affected","lessThan":"05edc78eb4699e8e000a62aaa8dace50a17e19e3","versionType":"git"},{"version":"0995c2fc39b0f998d40f5d276f67ae22fc1c37c3","status":"affected","lessThan":"f8f90b33934b307f6e4599b9fae38aa1ee5441a7","versionType":"git"},{"version":"0995c2fc39b0f998d40f5d276f67ae22fc1c37c3","status":"affected","lessThan":"0879c3f04f67e2a1677c25dcc24669ce21eb6a6c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/xe/xe_sync.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.20","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.9","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/xe/xe_sync.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/05edc78eb4699e8e000a62aaa8dace50a17e19e3"},{"url":"https://git.kernel.org/stable/c/f8f90b33934b307f6e4599b9fae38aa1ee5441a7"},{"url":"https://git.kernel.org/stable/c/0879c3f04f67e2a1677c25dcc24669ce21eb6a6c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:23:46.445Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}