octeontx2-af: npc: Fix size of entry2cntr_map

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80629
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 08:16:47 UTC
Updated2026-08-28 08:16:47 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: octeontx2-af: npc: Fix size of entry2cntr_map KASAN prints below splat. This is caused by allocating counter for reserved mcam entry for cpt 2nd pass entry. But mcam->entry2cntr_map is not allocated for reserved entries. BUG: KASAN: slab-out-of-bounds in npc_map_mcam_entry_and_cntr+0xb0/0x1a0 Write of size 2 at addr ffff0001033e7ffe by task kworker/0:1/14 CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.1.67 #1 Hardware name: Marvell CN106XX board (DT) Workqueue: events work_for_cpu_fn Call trace: dump_backtrace.part.0+0xe4/0xf0 show_stack+0x18/0x30 dump_stack_lvl+0x88/0xb4 print_report+0x154/0x458 kasan_report+0xb8/0x194 __asan_store2+0x7c/0xa0 npc_map_mcam_entry_and_cntr+0xb0/0x1a0 rvu_mbox_handler_npc_mcam_write_entry+0x268/0x280 npc_install_flow+0x840/0xfe0 rvu_npc_install_cpt_pass2_entry+0x138/0x190 rvu_nix_init+0x148c/0x2880 rvu_probe+0x1800/0x30b0 local_pci_probe+0x78/0xe0 work_for_cpu_fn+0x30/0x50 process_one_work+0x4cc/0x97c worker_thread+0x360/0x630 kthread+0x1a0/0x1b0 ret_from_fork+0x10/0x20

Risk And Classification

EPSS: 0.001680000 probability, percentile 0.062760000 (date 2026-08-30)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 55307fcb925846d760ed80f4a8359dd4331c52bd de8e3a4004c5df9461974352e9d7ff0f8313c508 git Not specified
CNA Linux Linux affected 55307fcb925846d760ed80f4a8359dd4331c52bd 1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e git Not specified
CNA Linux Linux affected 55307fcb925846d760ed80f4a8359dd4331c52bd 2477c523c6e69733d51101ae9bd2dfc0a054b13d git Not specified
CNA Linux Linux affected 55307fcb925846d760ed80f4a8359dd4331c52bd f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232 git Not specified
CNA Linux Linux affected 5.11 Not specified
CNA Linux Linux unaffected 5.11 semver Not specified
CNA Linux Linux unaffected 6.12.97 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2477c523c6e69733d51101ae9bd2dfc0a054b13d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/de8e3a4004c5df9461974352e9d7ff0f8313c508 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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