{"id":"CVE-2023-53061","state":"PUBLISHED","title":"ksmbd: fix possible refcount leak in smb2_open()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix possible refcount leak in smb2_open()\n\nReference count of acls will leak when memory allocation fails. Fix this\nby adding the missing posix_acl_release().","publishedAt":"2025-05-02T15:55:15.198Z","updatedAt":"2026-05-11T19:37:48.752Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"c33344b7972225b232966f95d31f6312dcc6273d","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"303f8e58cc3ace744801dcdcabfc06ffc72ed62d","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"a22c49a05e5e7aa2c414fbc42c49c4c01a5c9a78","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"2624b445544ffc1472ccabfb6ec867c199d4c95c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ksmbd/smb2pdu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.105","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.22","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ksmbd/smb2pdu.c"]}],"references":["https://git.kernel.org/stable/c/c33344b7972225b232966f95d31f6312dcc6273d","https://git.kernel.org/stable/c/303f8e58cc3ace744801dcdcabfc06ffc72ed62d","https://git.kernel.org/stable/c/a22c49a05e5e7aa2c414fbc42c49c4c01a5c9a78","https://git.kernel.org/stable/c/2624b445544ffc1472ccabfb6ec867c199d4c95c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53061.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53061","state":"PUBLISHED","datePublished":"2025-05-02T15:55:15.198Z","dateUpdated":"2026-05-11T19:37:48.752Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-05-02T15:51:43.547Z"},"containers":{"cna":{"title":"ksmbd: fix possible refcount leak in smb2_open()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix possible refcount leak in smb2_open()\n\nReference count of acls will leak when memory allocation fails. Fix this\nby adding the missing posix_acl_release()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"c33344b7972225b232966f95d31f6312dcc6273d","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"303f8e58cc3ace744801dcdcabfc06ffc72ed62d","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"a22c49a05e5e7aa2c414fbc42c49c4c01a5c9a78","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"2624b445544ffc1472ccabfb6ec867c199d4c95c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ksmbd/smb2pdu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.105","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.22","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ksmbd/smb2pdu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c33344b7972225b232966f95d31f6312dcc6273d"},{"url":"https://git.kernel.org/stable/c/303f8e58cc3ace744801dcdcabfc06ffc72ed62d"},{"url":"https://git.kernel.org/stable/c/a22c49a05e5e7aa2c414fbc42c49c4c01a5c9a78"},{"url":"https://git.kernel.org/stable/c/2624b445544ffc1472ccabfb6ec867c199d4c95c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:37:48.752Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}