{"id":"CVE-2026-23232","state":"PUBLISHED","title":"Revert \"f2fs: block cache/dio write during f2fs_enable_checkpoint()\"","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"f2fs: block cache/dio write during f2fs_enable_checkpoint()\"\n\nThis reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a.\n\nOriginal patch may cause below deadlock, revert it.\n\nwrite\t\t\t\tremount\n- write_begin\n - lock_page  --- lock A\n - prepare_write_begin\n  - f2fs_map_lock\n\t\t\t\t- f2fs_enable_checkpoint\n\t\t\t\t - down_write(cp_enable_rwsem)  --- lock B\n\t\t\t\t - sync_inode_sb\n\t\t\t\t  - writepages\n\t\t\t\t   - lock_page\t\t\t--- lock A\n   - down_read(cp_enable_rwsem)  --- lock A","publishedAt":"2026-03-04T14:36:37.323Z","updatedAt":"2026-05-11T22:02:52.855Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"196c81fdd438f7ac429d5639090a9816abb9760a","status":"affected","lessThan":"b6382273801bc7c778545dd8004c9a9d750b4f62","versionType":"git"},{"version":"196c81fdd438f7ac429d5639090a9816abb9760a","status":"affected","lessThan":"3996b70209f145bfcf2afc7d05dd92c27b233b48","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/data.c","fs/f2fs/f2fs.h","fs/f2fs/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.19.3","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/data.c","fs/f2fs/f2fs.h","fs/f2fs/super.c"]}],"references":["https://git.kernel.org/stable/c/b6382273801bc7c778545dd8004c9a9d750b4f62","https://git.kernel.org/stable/c/3996b70209f145bfcf2afc7d05dd92c27b233b48"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23232.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23232","state":"PUBLISHED","datePublished":"2026-03-04T14:36:37.323Z","dateUpdated":"2026-05-11T22:02:52.855Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.988Z"},"containers":{"cna":{"title":"Revert \"f2fs: block cache/dio write during f2fs_enable_checkpoint()\"","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"f2fs: block cache/dio write during f2fs_enable_checkpoint()\"\n\nThis reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a.\n\nOriginal patch may cause below deadlock, revert it.\n\nwrite\t\t\t\tremount\n- write_begin\n - lock_page  --- lock A\n - prepare_write_begin\n  - f2fs_map_lock\n\t\t\t\t- f2fs_enable_checkpoint\n\t\t\t\t - down_write(cp_enable_rwsem)  --- lock B\n\t\t\t\t - sync_inode_sb\n\t\t\t\t  - writepages\n\t\t\t\t   - lock_page\t\t\t--- lock A\n   - down_read(cp_enable_rwsem)  --- lock A"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"196c81fdd438f7ac429d5639090a9816abb9760a","status":"affected","lessThan":"b6382273801bc7c778545dd8004c9a9d750b4f62","versionType":"git"},{"version":"196c81fdd438f7ac429d5639090a9816abb9760a","status":"affected","lessThan":"3996b70209f145bfcf2afc7d05dd92c27b233b48","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/data.c","fs/f2fs/f2fs.h","fs/f2fs/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.19.3","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/data.c","fs/f2fs/f2fs.h","fs/f2fs/super.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b6382273801bc7c778545dd8004c9a9d750b4f62"},{"url":"https://git.kernel.org/stable/c/3996b70209f145bfcf2afc7d05dd92c27b233b48"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:02:52.855Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}