What is CVE-2023-54186?

CVE-2023-54186 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 4.19 onward and patched in 4.19.284, 5.4.244, 5.10.181 and others. CVE-2023-54186 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-54186?

CVE-2023-54186 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2023-54186?

Yes, CVE-2023-54186 has been patched. Fixed versions include 4.19.284, 5.4.244, 5.10.181 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-2023-54186 actively exploited?

CVE-2023-54186 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-54186

In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: fix pin_assignment_show This patch fixes negative indexing of buf array in pin_assignment_show when get_current_pin_assignments returns 0 i.e. no compatible pin assignments are found. BUG: KASAN: use-after-free in pin_assignment_show+0x26c/0x33c ... Call trace: dump_backtrace+0x110/0x204 dump_stack_lvl+0x84/0xbc print_report+0x358/0x974 kasan_report+0x9c/0xfc __do_kernel_fault+0xd4/0x2d4 do_bad_area+0x48/0x168 do_tag_check_fault+0x24/0x38 do_mem_abort+0x6c/0x14c el1_abort+0x44/0x68 el1h_64_sync_handler+0x64/0xa4 el1h_64_sync+0x78/0x7c pin_assignment_show+0x26c/0x33c dev_attr_show+0x50/0xc0

Package Linux Kernel

Published 2025-12-30

Last modified 2026-04-15

Patch available

Yes

Affected versions

Linux kernel versions 4.19 and later are affected. Fixed in 4.19.284, 5.4.244, 5.10.181, 5.15.113, 6.1.30, 6.3.4, 6.4 and their respective stable series.

Affected from

≥ 4.19

Fixed in

✓ 4.19.284 4.19.x ✓ 5.4.244 5.4.x ✓ 5.10.181 5.10.x ✓ 5.15.113 5.15.x ✓ 6.1.30 6.1.x ✓ 6.3.4 6.3.x ✓ 6.4

References

The following references provide additional information about CVE-2023-54186 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/08bd1be1c716fd50a7df48f82dcbc59a103082b5
Patch
Kernel patch commit
https://git.kernel.org/stable/c/0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4f9c0a7c272626cb6716ffc7800e8c73260cdce6
Patch

7 patch commits total View all on NVD

Frequently asked questions

What is CVE-2023-54186?

CVE-2023-54186 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.19 onward and has been patched in 4.19.284, 5.4.244, 5.10.181 and others. CVE-2023-54186 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2023-54186?

Yes — CVE-2023-54186 has been patched. Fixed versions include 4.19.284, 5.4.244, 5.10.181 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-2023-54186 actively exploited?

No — CVE-2023-54186 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.