FKIE_CVE-2026-80629

Vulnerability from fkie_nvd - Published: 2026-08-28 08:16 - Updated: 2026-10-30 13:20
Severity
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
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2477c523c6e69733d51101ae9bd2dfc0a054b13d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/30e5ee98e86ad47c76695458987097e849d0611a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/de8e3a4004c5df9461974352e9d7ff0f8313c508
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc",
              "status": "affected",
              "version": "55307fcb925846d760ed80f4a8359dd4331c52bd",
              "versionType": "git"
            },
            {
              "lessThan": "30e5ee98e86ad47c76695458987097e849d0611a",
              "status": "affected",
              "version": "55307fcb925846d760ed80f4a8359dd4331c52bd",
              "versionType": "git"
            },
            {
              "lessThan": "de8e3a4004c5df9461974352e9d7ff0f8313c508",
              "status": "affected",
              "version": "55307fcb925846d760ed80f4a8359dd4331c52bd",
              "versionType": "git"
            },
            {
              "lessThan": "1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e",
              "status": "affected",
              "version": "55307fcb925846d760ed80f4a8359dd4331c52bd",
              "versionType": "git"
            },
            {
              "lessThan": "2477c523c6e69733d51101ae9bd2dfc0a054b13d",
              "status": "affected",
              "version": "55307fcb925846d760ed80f4a8359dd4331c52bd",
              "versionType": "git"
            },
            {
              "lessThan": "f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232",
              "status": "affected",
              "version": "55307fcb925846d760ed80f4a8359dd4331c52bd",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.11"
            },
            {
              "lessThan": "5.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.191",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.160",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: npc: Fix size of entry2cntr_map\n\nKASAN prints below splat. This is caused by allocating counter for\nreserved mcam entry for cpt 2nd pass entry. But mcam-\u003eentry2cntr_map\nis not allocated for reserved entries.\n\nBUG: KASAN: slab-out-of-bounds in npc_map_mcam_entry_and_cntr+0xb0/0x1a0\nWrite of size 2 at addr ffff0001033e7ffe by task kworker/0:1/14\n\nCPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.1.67 #1\nHardware name: Marvell CN106XX board (DT)\nWorkqueue: events work_for_cpu_fn\nCall trace:\n dump_backtrace.part.0+0xe4/0xf0\n show_stack+0x18/0x30\n dump_stack_lvl+0x88/0xb4\n print_report+0x154/0x458\n kasan_report+0xb8/0x194\n __asan_store2+0x7c/0xa0\n npc_map_mcam_entry_and_cntr+0xb0/0x1a0\n rvu_mbox_handler_npc_mcam_write_entry+0x268/0x280\n npc_install_flow+0x840/0xfe0\n rvu_npc_install_cpt_pass2_entry+0x138/0x190\n rvu_nix_init+0x148c/0x2880\n rvu_probe+0x1800/0x30b0\n local_pci_probe+0x78/0xe0\n work_for_cpu_fn+0x30/0x50\n process_one_work+0x4cc/0x97c\n worker_thread+0x360/0x630\n kthread+0x1a0/0x1b0\n ret_from_fork+0x10/0x20"
    }
  ],
  "id": "CVE-2026-80629",
  "lastModified": "2026-10-30T13:20:08.483",
  "metrics": {},
  "published": "2026-08-28T08:16:47.743",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2477c523c6e69733d51101ae9bd2dfc0a054b13d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/30e5ee98e86ad47c76695458987097e849d0611a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/de8e3a4004c5df9461974352e9d7ff0f8313c508"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.