{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47351","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T14:28:16.985Z","datePublished":"2024-05-21T14:35:55.806Z","dateUpdated":"2025-05-04T07:09:10.505Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:09:10.505Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nubifs: Fix races between xattr_{set|get} and listxattr operations\n\nUBIFS may occur some problems with concurrent xattr_{set|get} and\nlistxattr operations, such as assertion failure, memory corruption,\nstale xattr value[1].\n\nFix it by importing a new rw-lock in @ubifs_inode to serilize write\noperations on xattr, concurrent read operations are still effective,\njust like ext4.\n\n[1] https://lore.kernel.org/linux-mtd/20200630130438.141649-1-houtao1@huawei.com"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ubifs/super.c","fs/ubifs/ubifs.h","fs/ubifs/xattr.c"],"versions":[{"version":"1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d","lessThan":"7adc05b73d91a5e3d4ca7714fa53ad9b70c53d08","status":"affected","versionType":"git"},{"version":"1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d","lessThan":"38dde03eb239605f428f3f1e4baa73d4933a4cc6","status":"affected","versionType":"git"},{"version":"1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d","lessThan":"9558612cb829f2c022b788f55d6b8437d5234a82","status":"affected","versionType":"git"},{"version":"1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d","lessThan":"c0756f75c22149d20fcb7d8409827cee905eb386","status":"affected","versionType":"git"},{"version":"1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d","lessThan":"f4e3634a3b642225a530c292fdb1e8a4007507f5","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ubifs/super.c","fs/ubifs/ubifs.h","fs/ubifs/xattr.c"],"versions":[{"version":"2.6.27","status":"affected"},{"version":"0","lessThan":"2.6.27","status":"unaffected","versionType":"semver"},{"version":"5.4.133","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.51","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.12.18","lessThanOrEqual":"5.12.*","status":"unaffected","versionType":"semver"},{"version":"5.13.3","lessThanOrEqual":"5.13.*","status":"unaffected","versionType":"semver"},{"version":"5.14","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":"2.6.27","versionEndExcluding":"5.4.133"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.10.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.12.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.13.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7adc05b73d91a5e3d4ca7714fa53ad9b70c53d08"},{"url":"https://git.kernel.org/stable/c/38dde03eb239605f428f3f1e4baa73d4933a4cc6"},{"url":"https://git.kernel.org/stable/c/9558612cb829f2c022b788f55d6b8437d5234a82"},{"url":"https://git.kernel.org/stable/c/c0756f75c22149d20fcb7d8409827cee905eb386"},{"url":"https://git.kernel.org/stable/c/f4e3634a3b642225a530c292fdb1e8a4007507f5"}],"title":"ubifs: Fix races between xattr_{set|get} and listxattr operations","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-11T19:01:36.389057Z","id":"CVE-2021-47351","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-11T19:01:45.807Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:32:08.560Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/7adc05b73d91a5e3d4ca7714fa53ad9b70c53d08","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/38dde03eb239605f428f3f1e4baa73d4933a4cc6","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9558612cb829f2c022b788f55d6b8437d5234a82","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c0756f75c22149d20fcb7d8409827cee905eb386","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f4e3634a3b642225a530c292fdb1e8a4007507f5","tags":["x_transferred"]}]}]}}