{"api_version":"1","generated_at":"2026-08-22T18:23:04+00:00","cve":"CVE-2023-54132","urls":{"html":"https://cve.report/CVE-2023-54132","api":"https://cve.report/api/cve/CVE-2023-54132.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-54132","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-54132"},"summary":{"title":"erofs: stop parsing non-compact HEAD index if clusterofs is invalid","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: stop parsing non-compact HEAD index if clusterofs is invalid\n\nSyzbot generated a crafted image [1] with a non-compact HEAD index of\nclusterofs 33024 while valid numbers should be 0 ~ lclustersize-1,\nwhich causes the following unexpected behavior as below:\n\n BUG: unable to handle page fault for address: fffff52101a3fff9\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 23ffed067 P4D 23ffed067 PUD 0\n Oops: 0000 [#1] PREEMPT SMP KASAN\n CPU: 1 PID: 4398 Comm: kworker/u5:1 Not tainted 6.3.0-rc6-syzkaller-g09a9639e56c0 #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023\n Workqueue: erofs_worker z_erofs_decompressqueue_work\n RIP: 0010:z_erofs_decompress_queue+0xb7e/0x2b40\n ...\n Call Trace:\n  <TASK>\n  z_erofs_decompressqueue_work+0x99/0xe0\n  process_one_work+0x8f6/0x1170\n  worker_thread+0xa63/0x1210\n  kthread+0x270/0x300\n  ret_from_fork+0x1f/0x30\n\nNote that normal images or images using compact indexes are not\nimpacted.  Let's fix this now.\n\n[1] https://lore.kernel.org/r/000000000000ec75b005ee97fbaa@google.com","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-24 13:16:15","updated_at":"2026-08-04 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54132","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 02827e1796b33f1794966f5c3101f8da2dfa9c1d 880c79bdb002b9d5b6940e52c2ad3829c2178207 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 02827e1796b33f1794966f5c3101f8da2dfa9c1d 7a4579cd6e4936de107c82499c3c9ee11b63401e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 02827e1796b33f1794966f5c3101f8da2dfa9c1d 060fecf1114ff9fcfe87953fe8c4fc5048777160 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 02827e1796b33f1794966f5c3101f8da2dfa9c1d 7ee7a86e28ce9ead7112286c388df8d254c373c6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.28 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.2.15 6.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.3.2 6.3.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.4 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2023","cve_id":"54132","cve":"CVE-2023-54132","epss":"0.001500000","percentile":"0.047060000","score_date":"2026-08-06","updated_at":"2026-08-07 00:14:20"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/erofs/zmap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"880c79bdb002b9d5b6940e52c2ad3829c2178207","status":"affected","version":"02827e1796b33f1794966f5c3101f8da2dfa9c1d","versionType":"git"},{"lessThan":"7a4579cd6e4936de107c82499c3c9ee11b63401e","status":"affected","version":"02827e1796b33f1794966f5c3101f8da2dfa9c1d","versionType":"git"},{"lessThan":"060fecf1114ff9fcfe87953fe8c4fc5048777160","status":"affected","version":"02827e1796b33f1794966f5c3101f8da2dfa9c1d","versionType":"git"},{"lessThan":"7ee7a86e28ce9ead7112286c388df8d254c373c6","status":"affected","version":"02827e1796b33f1794966f5c3101f8da2dfa9c1d","versionType":"git"},{"lessThan":"f01b2894928affa3339d355608713cf3db8360b8","status":"affected","version":"02827e1796b33f1794966f5c3101f8da2dfa9c1d","versionType":"git"},{"lessThan":"96a845419b3722869f09883319de4d55c44d9aef","status":"affected","version":"02827e1796b33f1794966f5c3101f8da2dfa9c1d","versionType":"git"},{"lessThan":"cc4efd3dd2ac9f89143e5d881609747ecff04164","status":"affected","version":"02827e1796b33f1794966f5c3101f8da2dfa9c1d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/erofs/zmap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.19"},{"lessThan":"4.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.243","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.180","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.111","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.28","versionType":"semver"},{"lessThanOrEqual":"6.2.*","status":"unaffected","version":"6.2.15","versionType":"semver"},{"lessThanOrEqual":"6.3.*","status":"unaffected","version":"6.3.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.243","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.180","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.111","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.28","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.2.15","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.3.2","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.4","versionStartIncluding":"4.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: stop parsing non-compact HEAD index if clusterofs is invalid\n\nSyzbot generated a crafted image [1] with a non-compact HEAD index of\nclusterofs 33024 while valid numbers should be 0 ~ lclustersize-1,\nwhich causes the following unexpected behavior as below:\n\n BUG: unable to handle page fault for address: fffff52101a3fff9\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 23ffed067 P4D 23ffed067 PUD 0\n Oops: 0000 [#1] PREEMPT SMP KASAN\n CPU: 1 PID: 4398 Comm: kworker/u5:1 Not tainted 6.3.0-rc6-syzkaller-g09a9639e56c0 #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023\n Workqueue: erofs_worker z_erofs_decompressqueue_work\n RIP: 0010:z_erofs_decompress_queue+0xb7e/0x2b40\n ...\n Call Trace:\n  <TASK>\n  z_erofs_decompressqueue_work+0x99/0xe0\n  process_one_work+0x8f6/0x1170\n  worker_thread+0xa63/0x1210\n  kthread+0x270/0x300\n  ret_from_fork+0x1f/0x30\n\nNote that normal images or images using compact indexes are not\nimpacted.  Let's fix this now.\n\n[1] https://lore.kernel.org/r/000000000000ec75b005ee97fbaa@google.com"}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:17:56.521Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/880c79bdb002b9d5b6940e52c2ad3829c2178207"},{"url":"https://git.kernel.org/stable/c/7a4579cd6e4936de107c82499c3c9ee11b63401e"},{"url":"https://git.kernel.org/stable/c/060fecf1114ff9fcfe87953fe8c4fc5048777160"},{"url":"https://git.kernel.org/stable/c/7ee7a86e28ce9ead7112286c388df8d254c373c6"},{"url":"https://git.kernel.org/stable/c/f01b2894928affa3339d355608713cf3db8360b8"},{"url":"https://git.kernel.org/stable/c/96a845419b3722869f09883319de4d55c44d9aef"},{"url":"https://git.kernel.org/stable/c/cc4efd3dd2ac9f89143e5d881609747ecff04164"}],"title":"erofs: stop parsing non-compact HEAD index if clusterofs is invalid","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2023-54132","datePublished":"2025-12-24T13:06:49.030Z","dateReserved":"2025-12-24T13:02:52.522Z","dateUpdated":"2026-08-04T09:17:56.521Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-24 13:16:15","lastModifiedDate":"2026-08-04 10:19:30","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2023","CveId":"54132","Ordinal":"1","Title":"erofs: stop parsing non-compact HEAD index if clusterofs is inva","CVE":"CVE-2023-54132","Year":"2023"},"notes":[{"CveYear":"2023","CveId":"54132","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: stop parsing non-compact HEAD index if clusterofs is invalid\n\nSyzbot generated a crafted image [1] with a non-compact HEAD index of\nclusterofs 33024 while valid numbers should be 0 ~ lclustersize-1,\nwhich causes the following unexpected behavior as below:\n\n BUG: unable to handle page fault for address: fffff52101a3fff9\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 23ffed067 P4D 23ffed067 PUD 0\n Oops: 0000 [#1] PREEMPT SMP KASAN\n CPU: 1 PID: 4398 Comm: kworker/u5:1 Not tainted 6.3.0-rc6-syzkaller-g09a9639e56c0 #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023\n Workqueue: erofs_worker z_erofs_decompressqueue_work\n RIP: 0010:z_erofs_decompress_queue+0xb7e/0x2b40\n ...\n Call Trace:\n  <TASK>\n  z_erofs_decompressqueue_work+0x99/0xe0\n  process_one_work+0x8f6/0x1170\n  worker_thread+0xa63/0x1210\n  kthread+0x270/0x300\n  ret_from_fork+0x1f/0x30\n\nNote that normal images or images using compact indexes are not\nimpacted.  Let's fix this now.\n\n[1] https://lore.kernel.org/r/000000000000ec75b005ee97fbaa@google.com","Type":"Description","Title":"erofs: stop parsing non-compact HEAD index if clusterofs is inva"}]}}}