octeontx2-af: Add validation for lmac type

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2023-54129
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-24 13:16:14 UTC
Updated2026-06-19 13:16:19 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Add validation for lmac type Upon physical link change, firmware reports to the kernel about the change along with the details like speed, lmac_type_id, etc. Kernel derives lmac_type based on lmac_type_id received from firmware. In a few scenarios, firmware returns an invalid lmac_type_id, which is resulting in below kernel panic. This patch adds the missing validation of the lmac_type_id field. Internal error: Oops: 96000005 [#1] PREEMPT SMP [ 35.321595] Modules linked in: [ 35.328982] CPU: 0 PID: 31 Comm: kworker/0:1 Not tainted 5.4.210-g2e3169d8e1bc-dirty #17 [ 35.337014] Hardware name: Marvell CN103XX board (DT) [ 35.344297] Workqueue: events work_for_cpu_fn [ 35.352730] pstate: 40400089 (nZcv daIf +PAN -UAO) [ 35.360267] pc : strncpy+0x10/0x30 [ 35.366595] lr : cgx_link_change_handler+0x90/0x180

Risk And Classification

EPSS: 0.001680000 probability, percentile 0.063410000 (date 2026-06-24)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 61071a871ea6eb2125ece91c1a0dbb124a318c8a 4392454c694b13d78c84165c0964729772cd3b73 git Not specified
CNA Linux Linux affected 61071a871ea6eb2125ece91c1a0dbb124a318c8a 83a7f27c5b94e43f29f8216a32790751139aa61e git Not specified
CNA Linux Linux affected 61071a871ea6eb2125ece91c1a0dbb124a318c8a afd7660c766c4d317feae004e5cd829390bbc4b0 git Not specified
CNA Linux Linux affected 61071a871ea6eb2125ece91c1a0dbb124a318c8a 5c0268b141ad612b6fca13d3a66cfda111716dbb git Not specified
CNA Linux Linux affected 61071a871ea6eb2125ece91c1a0dbb124a318c8a cb5edce271764524b88b1a6866b3e626686d9a33 git Not specified
CNA Linux Linux affected 4.20 Not specified
CNA Linux Linux unaffected 4.20 semver Not specified
CNA Linux Linux unaffected 5.10.259 5.10.* semver Not specified
CNA Linux Linux unaffected 6.1.32 6.1.* semver Not specified
CNA Linux Linux unaffected 6.2.16 6.2.* semver Not specified
CNA Linux Linux unaffected 6.3.3 6.3.* semver Not specified
CNA Linux Linux unaffected 6.4 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/afd7660c766c4d317feae004e5cd829390bbc4b0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5c0268b141ad612b6fca13d3a66cfda111716dbb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4392454c694b13d78c84165c0964729772cd3b73 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/83a7f27c5b94e43f29f8216a32790751139aa61e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cb5edce271764524b88b1a6866b3e626686d9a33 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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