{"id":"DEBIAN-CVE-2023-54132","details":"In the Linux kernel, the following vulnerability has been resolved:  erofs: stop parsing non-compact HEAD index if clusterofs is invalid  Syzbot generated a crafted image [1] with a non-compact HEAD index of clusterofs 33024 while valid numbers should be 0 ~ lclustersize-1, which causes the following unexpected behavior as below:   BUG: unable to handle page fault for address: fffff52101a3fff9  #PF: supervisor read access in kernel mode  #PF: error_code(0x0000) - not-present page  PGD 23ffed067 P4D 23ffed067 PUD 0  Oops: 0000 [#1] PREEMPT SMP KASAN  CPU: 1 PID: 4398 Comm: kworker/u5:1 Not tainted 6.3.0-rc6-syzkaller-g09a9639e56c0 #0  Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023  Workqueue: erofs_worker z_erofs_decompressqueue_work  RIP: 0010:z_erofs_decompress_queue+0xb7e/0x2b40  ...  Call Trace:   \u003cTASK\u003e   z_erofs_decompressqueue_work+0x99/0xe0   process_one_work+0x8f6/0x1170   worker_thread+0xa63/0x1210   kthread+0x270/0x300   ret_from_fork+0x1f/0x30  Note that normal images or images using compact indexes are not impacted.  Let's fix this now.  [1] https://lore.kernel.org/r/000000000000ec75b005ee97fbaa@google.com","modified":"2026-09-15T09:03:03.314355415Z","published":"2025-12-24T13:16:15.180Z","upstream":["CVE-2023-54132"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-54132"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.37-1"}]}],"versions":["6.1.27-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-54132.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3.7-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-54132.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3.7-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-54132.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}