{"id":"CVE-2026-45908","state":"PUBLISHED","title":"accel/amdxdna: Fix memory leak in amdxdna_ubuf_map","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix memory leak in amdxdna_ubuf_map\n\nThe amdxdna_ubuf_map() function allocates memory for sg and\ninternal sg table structures, but it fails to free them if subsequent\noperations (sg_alloc_table_from_pages or dma_map_sgtable) fail.","publishedAt":"2026-05-27T12:17:22.048Z","updatedAt":"2026-05-27T12:17:22.048Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"f9f4366d2ff93b07c2571561c776bd9a708078c3","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"84dd57fb0359500092f1101409ca32091731490d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","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/accel/amdxdna/amdxdna_ubuf.c"]}],"references":["https://git.kernel.org/stable/c/5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a","https://git.kernel.org/stable/c/f9f4366d2ff93b07c2571561c776bd9a708078c3","https://git.kernel.org/stable/c/84dd57fb0359500092f1101409ca32091731490d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45908.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45908","state":"PUBLISHED","datePublished":"2026-05-27T12:17:22.048Z","dateUpdated":"2026-05-27T12:17:22.048Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.084Z"},"containers":{"cna":{"title":"accel/amdxdna: Fix memory leak in amdxdna_ubuf_map","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix memory leak in amdxdna_ubuf_map\n\nThe amdxdna_ubuf_map() function allocates memory for sg and\ninternal sg table structures, but it fails to free them if subsequent\noperations (sg_alloc_table_from_pages or dma_map_sgtable) fail."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"f9f4366d2ff93b07c2571561c776bd9a708078c3","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"84dd57fb0359500092f1101409ca32091731490d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","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/accel/amdxdna/amdxdna_ubuf.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a"},{"url":"https://git.kernel.org/stable/c/f9f4366d2ff93b07c2571561c776bd9a708078c3"},{"url":"https://git.kernel.org/stable/c/84dd57fb0359500092f1101409ca32091731490d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-27T12:17:22.048Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}