CVE-2026-80629: octeontx2-af: npc: Fix size of entry2cntr_map
Noroxi assessment
Priority: Monitor (action score 0/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.20% (FIRST EPSS).
- Fixed version: Linux Linux 1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e, 2477c523c6e69733d51101ae9bd2dfc0a054b13d, 30e5ee98e86ad47c76695458987097e849d0611a; azl3 kernel 6.6.152.1-1 on Azure Linux 3.0 Release Notes; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 Release Notes.
- Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).
Low priority for now. Upgrade to Linux Linux 1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e, 2477c523c6e69733d51101ae9bd2dfc0a054b13d, 30e5ee98e86ad47c76695458987097e849d0611a; azl3 kernel 6.6.152.1-1 on Azure Linux 3.0 Release Notes; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 Release Notes or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
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
- Published
- Aug 28, 2026
- Updated
- Oct 30, 2026
- EPSS
- 0.2% · 10th percentile
- CWE
- —
Report tools
Action score
0
Low priority for now.
- CVSS
- 0 / 40 · —
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
Is your version affected? Check itNoroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
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Versions reported by the vendor
Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.
Linux Linux
- 5.11affected
- 55307fcb925846d760ed80f4a8359dd4331c52bd and later · before b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdcaffected · git
- 55307fcb925846d760ed80f4a8359dd4331c52bd and later · before 30e5ee98e86ad47c76695458987097e849d0611aaffected · git
- 55307fcb925846d760ed80f4a8359dd4331c52bd and later · before de8e3a4004c5df9461974352e9d7ff0f8313c508affected · git
- 55307fcb925846d760ed80f4a8359dd4331c52bd and later · before 1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3eaffected · git
- 55307fcb925846d760ed80f4a8359dd4331c52bd and later · before 2477c523c6e69733d51101ae9bd2dfc0a054b13daffected · git
- 55307fcb925846d760ed80f4a8359dd4331c52bd and later · before f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232affected · git
- before 5.11not affected · semver
- 6.1.191 and later · up to and including 6.1.*not affected · semver
- 6.6.160 and later · up to and including 6.6.*not affected · semver
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | linux | from 0 | — |
| Debian:13 | linux | before 6.12.100-1 | 6.12.100-1 |
| Debian:14 | linux | before 7.1.5-1 | 7.1.5-1 |
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation40Plan
- CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment40Plan
- CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()40Plan
Published before and after this one in the same product
- ← EarlierCVE-2026-80623Aug 28, 2026 · coresight: ete: Always save state on power down0Monitor
- ← EarlierCVE-2026-80628Aug 28, 2026 · ALSA: seq: oss: Serialize readq reset state with q->lock31Monitor
- Later →CVE-2026-80630Aug 28, 2026 · net/sched: sch_fq_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen39Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Linux Linux | 1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e | Vendor (CNA) |
| Linux Linux | 2477c523c6e69733d51101ae9bd2dfc0a054b13d | Vendor (CNA) |
| Linux Linux | 30e5ee98e86ad47c76695458987097e849d0611a | Vendor (CNA) |
| Linux Linux | b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc | Vendor (CNA) |
| Linux Linux | de8e3a4004c5df9461974352e9d7ff0f8313c508 | Vendor (CNA) |
| Linux Linux | f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232 | Vendor (CNA) |
| azl3 kernel 6.6.152.1-1 on Azure Linux 3.0 | Release Notes | Microsoft (MSRC) |
| azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 | Release Notes | Microsoft (MSRC) |
| azl3 kernel 6.6.159.1-1 on Azure Linux 3.0 | 6.6.161.1-1 · Release Notes | Microsoft (MSRC) |
| debian:linux | 6.12.100-1 · Debian:13 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
National notice (Türkiye Cybersecurity Directorate / USOM)
Official security notices citing this record; remediation advice is on the agency's page.
- TR-26-0945 · Aug 31, 2026(Linux Kernel Güvenlik Bildirimi)
Not on record for this CVE: patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.
Technical details
No CVSS vector for this record, so attack conditions can't be derived.
Weakness class (CWE)
—
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log (1)
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (5 more)Show less
- git.kernel.org/stable/c/2477c523c6e69733d51101ae9bd2dfc0a054b13d
- git.kernel.org/stable/c/30e5ee98e86ad47c76695458987097e849d0611a
- git.kernel.org/stable/c/b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc
- git.kernel.org/stable/c/de8e3a4004c5df9461974352e9d7ff0f8313c508
- git.kernel.org/stable/c/f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232
Vendor advisories and official records. Exploit/PoC links are deliberately left out.