{"id":"CVE-2024-57892","state":"PUBLISHED","title":"ocfs2: fix slab-use-after-free due to dangling pointer dqi_priv","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix slab-use-after-free due to dangling pointer dqi_priv\n\nWhen mounting ocfs2 and then remounting it as read-only, a\nslab-use-after-free occurs after the user uses a syscall to\nquota_getnextquota.  Specifically, sb_dqinfo(sb, type)->dqi_priv is the\ndangling pointer.\n\nDuring the remounting process, the pointer dqi_priv is freed but is never\nset as null leaving it to be accessed.  Additionally, the read-only option\nfor remounting sets the DQUOT_SUSPENDED flag instead of setting the\nDQUOT_USAGE_ENABLED flags.  Moreover, later in the process of getting the\nnext quota, the function ocfs2_get_next_id is called and only checks the\nquota usage flags and not the quota suspended flags.\n\nTo fix this, I set dqi_priv to null when it is freed after remounting with\nread-only and put a check for DQUOT_SUSPENDED in ocfs2_get_next_id.\n\n[akpm@linux-foundation.org: coding-style cleanups]","publishedAt":"2025-01-15T13:05:44.635Z","updatedAt":"2026-05-11T20:59:55.049Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"58f9e20e2a7602e1dd649a1ec4790077c251cb6c","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"8ff6f635a08c30559ded0c110c7ce03ba7747d11","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"f44e6d70c100614c211703f065cad448050e4a0e","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"2d431192486367eee03cc28d0b53b97dafcb8e63","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"2e3d203b1adede46bbba049e497765d67865be18","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"ba950a02d8d23811aa1120affd3adedcfac6153d","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"5f3fd772d152229d94602bca243fbb658068a597","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/quota_global.c","fs/ocfs2/quota_local.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"5.4.290","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.234","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.177","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.125","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.70","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.9","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/quota_global.c","fs/ocfs2/quota_local.c"]}],"references":["https://git.kernel.org/stable/c/58f9e20e2a7602e1dd649a1ec4790077c251cb6c","https://git.kernel.org/stable/c/8ff6f635a08c30559ded0c110c7ce03ba7747d11","https://git.kernel.org/stable/c/f44e6d70c100614c211703f065cad448050e4a0e","https://git.kernel.org/stable/c/2d431192486367eee03cc28d0b53b97dafcb8e63","https://git.kernel.org/stable/c/2e3d203b1adede46bbba049e497765d67865be18","https://git.kernel.org/stable/c/ba950a02d8d23811aa1120affd3adedcfac6153d","https://git.kernel.org/stable/c/5f3fd772d152229d94602bca243fbb658068a597","https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:08:12.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/57xxx/CVE-2024-57892.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-57892","state":"PUBLISHED","datePublished":"2025-01-15T13:05:44.635Z","dateUpdated":"2026-05-11T20:59:55.049Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-01-11T14:45:42.028Z"},"containers":{"cna":{"title":"ocfs2: fix slab-use-after-free due to dangling pointer dqi_priv","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix slab-use-after-free due to dangling pointer dqi_priv\n\nWhen mounting ocfs2 and then remounting it as read-only, a\nslab-use-after-free occurs after the user uses a syscall to\nquota_getnextquota.  Specifically, sb_dqinfo(sb, type)->dqi_priv is the\ndangling pointer.\n\nDuring the remounting process, the pointer dqi_priv is freed but is never\nset as null leaving it to be accessed.  Additionally, the read-only option\nfor remounting sets the DQUOT_SUSPENDED flag instead of setting the\nDQUOT_USAGE_ENABLED flags.  Moreover, later in the process of getting the\nnext quota, the function ocfs2_get_next_id is called and only checks the\nquota usage flags and not the quota suspended flags.\n\nTo fix this, I set dqi_priv to null when it is freed after remounting with\nread-only and put a check for DQUOT_SUSPENDED in ocfs2_get_next_id.\n\n[akpm@linux-foundation.org: coding-style cleanups]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"58f9e20e2a7602e1dd649a1ec4790077c251cb6c","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"8ff6f635a08c30559ded0c110c7ce03ba7747d11","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"f44e6d70c100614c211703f065cad448050e4a0e","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"2d431192486367eee03cc28d0b53b97dafcb8e63","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"2e3d203b1adede46bbba049e497765d67865be18","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"ba950a02d8d23811aa1120affd3adedcfac6153d","versionType":"git"},{"version":"8f9e8f5fcc059a3cba87ce837c88316797ef3645","status":"affected","lessThan":"5f3fd772d152229d94602bca243fbb658068a597","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/quota_global.c","fs/ocfs2/quota_local.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"5.4.290","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.234","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.177","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.125","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.70","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.9","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/quota_global.c","fs/ocfs2/quota_local.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/58f9e20e2a7602e1dd649a1ec4790077c251cb6c"},{"url":"https://git.kernel.org/stable/c/8ff6f635a08c30559ded0c110c7ce03ba7747d11"},{"url":"https://git.kernel.org/stable/c/f44e6d70c100614c211703f065cad448050e4a0e"},{"url":"https://git.kernel.org/stable/c/2d431192486367eee03cc28d0b53b97dafcb8e63"},{"url":"https://git.kernel.org/stable/c/2e3d203b1adede46bbba049e497765d67865be18"},{"url":"https://git.kernel.org/stable/c/ba950a02d8d23811aa1120affd3adedcfac6153d"},{"url":"https://git.kernel.org/stable/c/5f3fd772d152229d94602bca243fbb658068a597"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:59:55.049Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.4.290"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.10.234"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.15.177"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.1.125"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.6.70"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.12.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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