{"cve":"CVE-2023-54132","nvd":{"published":"2025-12-24T13:16:15.180","modified":"2026-08-04T10:19:30.863","status":"Deferred","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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":[],"references":["https://git.kernel.org/stable/c/060fecf1114ff9fcfe87953fe8c4fc5048777160","https://git.kernel.org/stable/c/7a4579cd6e4936de107c82499c3c9ee11b63401e","https://git.kernel.org/stable/c/7ee7a86e28ce9ead7112286c388df8d254c373c6","https://git.kernel.org/stable/c/880c79bdb002b9d5b6940e52c2ad3829c2178207","https://git.kernel.org/stable/c/96a845419b3722869f09883319de4d55c44d9aef"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2023-54132","score":0.00178,"percentile":0.07358,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}