{"id":"CVE-2022-49996","state":"PUBLISHED","title":"btrfs: fix possible memory leak in btrfs_get_dev_args_from_path()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix possible memory leak in btrfs_get_dev_args_from_path()\n\nIn btrfs_get_dev_args_from_path(), btrfs_get_bdev_and_sb() can fail if\nthe path is invalid. In this case, btrfs_get_dev_args_from_path()\nreturns directly without freeing args->uuid and args->fsid allocated\nbefore, which causes memory leak.\n\nTo fix these possible leaks, when btrfs_get_bdev_and_sb() fails,\nbtrfs_put_dev_args_from_path() is called to clean up the memory.","publishedAt":"2025-06-18T11:00:56.175Z","updatedAt":"2026-05-23T15:23:31.343Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"321a81835b4aed4f717f89921286f6544ffa8be9","status":"affected","lessThan":"5f52402c77013e4a826394b807dd5ea4dc83bd72","versionType":"git"},{"version":"faa775c41d655a4786e9d53cb075a77bb5a75f66","status":"affected","lessThan":"4b124ad87244cd7f0883c5eaa38d2326b2154cad","versionType":"git"},{"version":"faa775c41d655a4786e9d53cb075a77bb5a75f66","status":"affected","lessThan":"9ea0106a7a3d8116860712e3f17cd52ce99f6707","versionType":"git"},{"version":"5.15.54","status":"affected","lessThan":"5.15.64","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/volumes.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.15.64","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.6","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/volumes.c"]}],"references":["https://git.kernel.org/stable/c/5f52402c77013e4a826394b807dd5ea4dc83bd72","https://git.kernel.org/stable/c/4b124ad87244cd7f0883c5eaa38d2326b2154cad","https://git.kernel.org/stable/c/9ea0106a7a3d8116860712e3f17cd52ce99f6707"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49996.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49996","state":"PUBLISHED","datePublished":"2025-06-18T11:00:56.175Z","dateUpdated":"2026-05-23T15:23:31.343Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.387Z"},"containers":{"cna":{"title":"btrfs: fix possible memory leak in btrfs_get_dev_args_from_path()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix possible memory leak in btrfs_get_dev_args_from_path()\n\nIn btrfs_get_dev_args_from_path(), btrfs_get_bdev_and_sb() can fail if\nthe path is invalid. In this case, btrfs_get_dev_args_from_path()\nreturns directly without freeing args->uuid and args->fsid allocated\nbefore, which causes memory leak.\n\nTo fix these possible leaks, when btrfs_get_bdev_and_sb() fails,\nbtrfs_put_dev_args_from_path() is called to clean up the memory."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"321a81835b4aed4f717f89921286f6544ffa8be9","status":"affected","lessThan":"5f52402c77013e4a826394b807dd5ea4dc83bd72","versionType":"git"},{"version":"faa775c41d655a4786e9d53cb075a77bb5a75f66","status":"affected","lessThan":"4b124ad87244cd7f0883c5eaa38d2326b2154cad","versionType":"git"},{"version":"faa775c41d655a4786e9d53cb075a77bb5a75f66","status":"affected","lessThan":"9ea0106a7a3d8116860712e3f17cd52ce99f6707","versionType":"git"},{"version":"5.15.54","status":"affected","lessThan":"5.15.64","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/volumes.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.15.64","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.6","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/volumes.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5f52402c77013e4a826394b807dd5ea4dc83bd72"},{"url":"https://git.kernel.org/stable/c/4b124ad87244cd7f0883c5eaa38d2326b2154cad"},{"url":"https://git.kernel.org/stable/c/9ea0106a7a3d8116860712e3f17cd52ce99f6707"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:23:31.343Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.54","versionEndExcluding":"5.15.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}