{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49770","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:17:33.805Z","datePublished":"2025-05-01T14:09:08.173Z","dateUpdated":"2026-05-11T19:06:26.709Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:06:26.709Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nceph: avoid putting the realm twice when decoding snaps fails\n\nWhen decoding the snaps fails it maybe leaving the 'first_realm'\nand 'realm' pointing to the same snaprealm memory. And then it'll\nput it twice and could cause random use-after-free, BUG_ON, etc\nissues."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ceph/snap.c"],"versions":[{"version":"9030aaf9bf0a1eee47a154c316c789e959638b0f","lessThan":"274e4c79a3a2a24fba7cfe0e41113f1138785c37","status":"affected","versionType":"git"},{"version":"9030aaf9bf0a1eee47a154c316c789e959638b0f","lessThan":"cb7495fe957526555782ce0723f79ce92a6db22e","status":"affected","versionType":"git"},{"version":"9030aaf9bf0a1eee47a154c316c789e959638b0f","lessThan":"044bc6d3c2c0e9090b0841e7b723875756534b45","status":"affected","versionType":"git"},{"version":"9030aaf9bf0a1eee47a154c316c789e959638b0f","lessThan":"2f6e2de3a5289004650118b61f138fe7c28e1905","status":"affected","versionType":"git"},{"version":"9030aaf9bf0a1eee47a154c316c789e959638b0f","lessThan":"fd879c83e87735ab8f00ef7755752cf0cbae24b2","status":"affected","versionType":"git"},{"version":"9030aaf9bf0a1eee47a154c316c789e959638b0f","lessThan":"51884d153f7ec85e18d607b2467820a90e0f4359","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/ceph/snap.c"],"versions":[{"version":"2.6.34","status":"affected"},{"version":"0","lessThan":"2.6.34","status":"unaffected","versionType":"semver"},{"version":"4.19.268","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.226","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.157","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.81","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.10","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1","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":"2.6.34","versionEndExcluding":"4.19.268"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.4.226"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.10.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.15.81"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37"},{"url":"https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e"},{"url":"https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45"},{"url":"https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905"},{"url":"https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2"},{"url":"https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359"}],"title":"ceph: avoid putting the realm twice when decoding snaps fails","x_generator":{"engine":"bippy-1.2.0"}}}}