{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53181","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-09-15T13:59:19.065Z","datePublished":"2025-09-15T14:04:32.098Z","dateUpdated":"2026-05-11T19:39:50.199Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:39:50.199Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndma-buf/dma-resv: Stop leaking on krealloc() failure\n\nCurrently dma_resv_get_fences() will leak the previously\nallocated array if the fence iteration got restarted and\nthe krealloc_array() fails.\n\nFree the old array by hand, and make sure we still clear\nthe returned *fences so the caller won't end up accessing\nfreed memory. Some (but not all) of the callers of\ndma_resv_get_fences() seem to still trawl through the\narray even when dma_resv_get_fences() failed. And let's\nzero out *num_fences as well for good measure."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma-buf/dma-resv.c"],"versions":[{"version":"d3c80698c9f58a0683badf78793eebaa0c71afbd","lessThan":"19e7b9f1f7e1cb92a4cc53b4c064f7fb4b1f1983","status":"affected","versionType":"git"},{"version":"d3c80698c9f58a0683badf78793eebaa0c71afbd","lessThan":"819656cc03dec7f7f7800274dfbc8eb49f888e9f","status":"affected","versionType":"git"},{"version":"d3c80698c9f58a0683badf78793eebaa0c71afbd","lessThan":"05abb3be91d8788328231ee02973ab3d47f5e3d2","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma-buf/dma-resv.c"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"6.1.42","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.4.7","lessThanOrEqual":"6.4.*","status":"unaffected","versionType":"semver"},{"version":"6.5","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.4.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.5"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/19e7b9f1f7e1cb92a4cc53b4c064f7fb4b1f1983"},{"url":"https://git.kernel.org/stable/c/819656cc03dec7f7f7800274dfbc8eb49f888e9f"},{"url":"https://git.kernel.org/stable/c/05abb3be91d8788328231ee02973ab3d47f5e3d2"}],"title":"dma-buf/dma-resv: Stop leaking on krealloc() failure","x_generator":{"engine":"bippy-1.2.0"}}}}