octeontx2-af: npc: Fix size of entry2cntr_map
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 2 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In 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
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.160, 6.12.97, 6.18.40, 7.1.5, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2026-80629
- 2026-10-03 Alias added: GHSA-75jm-r9cf-5f55
- 2026-10-21 Fix available: Linux/Linux@30e5ee98e86ad47c76695458987097e849d0611a, Linux/[email protected] · CNA
- 2026-10-21 1 new reference · CNA
- 2026-10-30 Fix available: Linux/[email protected], Linux/Linux@b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc · CNA
- 2026-10-30 1 new reference · CNA
References
Other 6
- https://git.kernel.org/stable/c/b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc
- https://git.kernel.org/stable/c/30e5ee98e86ad47c76695458987097e849d0611a
- https://git.kernel.org/stable/c/de8e3a4004c5df9461974352e9d7ff0f8313c508
- https://git.kernel.org/stable/c/1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e
- https://git.kernel.org/stable/c/2477c523c6e69733d51101ae9bd2dfc0a054b13d
- https://git.kernel.org/stable/c/f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232
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Sources
- CVE-2026-80629 · CVE Program
- CVE-2026-80629 · NVD
- FIRST EPSS
- GHSA-75jm-r9cf-5f55 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-80629 · Red Hat security data · CC BY 4.0
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