{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-52668","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-07T14:49:46.885Z","datePublished":"2024-05-17T14:01:52.768Z","dateUpdated":"2025-05-04T07:41:11.423Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:41:11.423Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zoned: fix lock ordering in btrfs_zone_activate()\n\nThe btrfs CI reported a lockdep warning as follows by running generic\ngeneric/129.\n\n   WARNING: possible circular locking dependency detected\n   6.7.0-rc5+ #1 Not tainted\n   ------------------------------------------------------\n   kworker/u5:5/793427 is trying to acquire lock:\n   ffff88813256d028 (&cache->lock){+.+.}-{2:2}, at: btrfs_zone_finish_one_bg+0x5e/0x130\n   but task is already holding lock:\n   ffff88810a23a318 (&fs_info->zone_active_bgs_lock){+.+.}-{2:2}, at: btrfs_zone_finish_one_bg+0x34/0x130\n   which lock already depends on the new lock.\n\n   the existing dependency chain (in reverse order) is:\n   -> #1 (&fs_info->zone_active_bgs_lock){+.+.}-{2:2}:\n   ...\n   -> #0 (&cache->lock){+.+.}-{2:2}:\n   ...\n\nThis is because we take fs_info->zone_active_bgs_lock after a block_group's\nlock in btrfs_zone_activate() while doing the opposite in other places.\n\nFix the issue by expanding the fs_info->zone_active_bgs_lock's critical\nsection and taking it before a block_group's lock."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/zoned.c"],"versions":[{"version":"a7e1ac7bdc5af91af2d52e6269fdbd92fe9ee353","lessThan":"6f74989f5909cdec9b1274641f0fa306b15bb476","status":"affected","versionType":"git"},{"version":"a7e1ac7bdc5af91af2d52e6269fdbd92fe9ee353","lessThan":"1908e9d01e5395adff68d9d308a0fb15337e6272","status":"affected","versionType":"git"},{"version":"a7e1ac7bdc5af91af2d52e6269fdbd92fe9ee353","lessThan":"b18f3b60b35a8c01c9a2a0f0d6424c6d73971dc3","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/btrfs/zoned.c"],"versions":[{"version":"6.6","status":"affected"},{"version":"0","lessThan":"6.6","status":"unaffected","versionType":"semver"},{"version":"6.6.15","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.3","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8","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":"6.6","versionEndExcluding":"6.6.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/6f74989f5909cdec9b1274641f0fa306b15bb476"},{"url":"https://git.kernel.org/stable/c/1908e9d01e5395adff68d9d308a0fb15337e6272"},{"url":"https://git.kernel.org/stable/c/b18f3b60b35a8c01c9a2a0f0d6424c6d73971dc3"}],"title":"btrfs: zoned: fix lock ordering in btrfs_zone_activate()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52668","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-17T17:16:18.284069Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:23:54.895Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T23:11:34.555Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/6f74989f5909cdec9b1274641f0fa306b15bb476","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/1908e9d01e5395adff68d9d308a0fb15337e6272","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b18f3b60b35a8c01c9a2a0f0d6424c6d73971dc3","tags":["x_transferred"]}]}]}}