What is CVE-2023-54132?

CVE-2023-54132 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 4.19 onward and patched in 5.4.243, 5.10.180, 5.15.111 and others. CVE-2023-54132 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-54132?

CVE-2023-54132 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2023-54132?

Yes, CVE-2023-54132 has been patched. Fixed versions include 5.4.243, 5.10.180, 5.15.111 and others. If you are running Linux kernel 4.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-54132 actively exploited?

CVE-2023-54132 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-54132

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: <TASK> 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/[email protected]

Package Linux Kernel

Published 2025-12-24

Last modified 2026-04-15

Patch available

Yes

Affected versions

Linux kernel versions 4.19 and later are affected. Fixed in 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2, 6.4 and their respective stable series.

Affected from

≥ 4.19

Fixed in

✓ 5.4.243 5.4.x ✓ 5.10.180 5.10.x ✓ 5.15.111 5.15.x ✓ 6.1.28 6.1.x ✓ 6.2.15 6.2.x ✓ 6.3.2 6.3.x ✓ 6.4

References

The following references provide additional information about CVE-2023-54132 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/060fecf1114ff9fcfe87953fe8c4fc5048777160
Patch
Kernel patch commit
https://git.kernel.org/stable/c/7a4579cd6e4936de107c82499c3c9ee11b63401e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/7ee7a86e28ce9ead7112286c388df8d254c373c6
Patch

7 patch commits total View all on NVD

Frequently asked questions

What is CVE-2023-54132?

CVE-2023-54132 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.19 onward and has been patched in 5.4.243, 5.10.180, 5.15.111 and others. CVE-2023-54132 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2023-54132?

Yes — CVE-2023-54132 has been patched. Fixed versions include 5.4.243, 5.10.180, 5.15.111 and others. If you are running Linux kernel 4.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-54132 actively exploited?

No — CVE-2023-54132 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.