Vulnerability-Lookup

FKIE_CVE-2026-80609

Vulnerability from fkie_nvd - Published: 2026-08-28 08:16 - Updated: 2026-08-29 07:16

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: qede: fix out-of-bounds check for cqe->len_list[] Move index check before element access.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1aacefd074b5dcc99b8dbcd73e1c963ed5010110
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6d203bdd227fca1787f8a80cf84b990936633c5a
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6d46ab395803f162cdc50e8d346e5f1a4e766771
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bd3a6a083b408e96437dbd86ff543ba9ec3a788b
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e30af53dca803893a29eb3bbe0539752ba435410
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f9ba47fce5932c15891c89c60e76dfaca919cb8d

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/qlogic/qede/qede_fp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6d203bdd227fca1787f8a80cf84b990936633c5a",
              "status": "affected",
              "version": "ecbb12caf399d7cf364b7553ed5aebeaa2f255bc",
              "versionType": "git"
            },
            {
              "lessThan": "bd3a6a083b408e96437dbd86ff543ba9ec3a788b",
              "status": "affected",
              "version": "a778912b4a53587ea07d85526d152f85d109cbfe",
              "versionType": "git"
            },
            {
              "lessThan": "e30af53dca803893a29eb3bbe0539752ba435410",
              "status": "affected",
              "version": "f0923011c1261b33a2ac1de349256d39cb750dd0",
              "versionType": "git"
            },
            {
              "lessThan": "1aacefd074b5dcc99b8dbcd73e1c963ed5010110",
              "status": "affected",
              "version": "917a9d02182ac8b4f25eb47dc02f3ec679608c24",
              "versionType": "git"
            },
            {
              "lessThan": "b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd",
              "status": "affected",
              "version": "896f1a2493b59beb2b5ccdf990503dbb16cb2256",
              "versionType": "git"
            },
            {
              "lessThan": "6d46ab395803f162cdc50e8d346e5f1a4e766771",
              "status": "affected",
              "version": "896f1a2493b59beb2b5ccdf990503dbb16cb2256",
              "versionType": "git"
            },
            {
              "lessThan": "f9ba47fce5932c15891c89c60e76dfaca919cb8d",
              "status": "affected",
              "version": "896f1a2493b59beb2b5ccdf990503dbb16cb2256",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e441db07f208184e0466abf44b389a81d70c340e",
              "versionType": "git"
            },
            {
              "lessThan": "5.15.212",
              "status": "affected",
              "version": "5.15.197",
              "versionType": "semver"
            },
            {
              "lessThan": "6.1.178",
              "status": "affected",
              "version": "6.1.159",
              "versionType": "semver"
            },
            {
              "lessThan": "6.6.145",
              "status": "affected",
              "version": "6.6.118",
              "versionType": "semver"
            },
            {
              "lessThan": "6.12.97",
              "status": "affected",
              "version": "6.12.60",
              "versionType": "semver"
            },
            {
              "lessThan": "6.18",
              "status": "affected",
              "version": "6.17.10",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/qlogic/qede/qede_fp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "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\nqede: fix out-of-bounds check for cqe-\u003elen_list[]\n\nMove index check before element access."
    }
  ],
  "id": "CVE-2026-80609",
  "lastModified": "2026-08-29T07:16:45.857",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-08-28T08:16:44.870",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1aacefd074b5dcc99b8dbcd73e1c963ed5010110"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6d203bdd227fca1787f8a80cf84b990936633c5a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6d46ab395803f162cdc50e8d346e5f1a4e766771"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bd3a6a083b408e96437dbd86ff543ba9ec3a788b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e30af53dca803893a29eb3bbe0539752ba435410"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f9ba47fce5932c15891c89c60e76dfaca919cb8d"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}

CVE-2026-80609 (GCVE-0-2026-80609)

Vulnerability from cvelistv5 – Published: 2026-08-28 06:48 – Updated: 2026-08-29 06:21

Title

qede: fix out-of-bounds check for cqe->len_list[]

Summary

In the Linux kernel, the following vulnerability has been resolved: qede: fix out-of-bounds check for cqe->len_list[] Move index check before element access.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Assigner

Linux mitre root

References

7 references

URL	Tags
https://git.kernel.org/stable/c/6d203bdd227fca178…
https://git.kernel.org/stable/c/bd3a6a083b408e964…
https://git.kernel.org/stable/c/e30af53dca803893a…
https://git.kernel.org/stable/c/1aacefd074b5dcc99…
https://git.kernel.org/stable/c/b17751a2ebc4aef3c…
https://git.kernel.org/stable/c/6d46ab395803f162c…
https://git.kernel.org/stable/c/f9ba47fce5932c158…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: ecbb12caf399d7cf364b7553ed5aebeaa2f255bc , < 6d203bdd227fca1787f8a80cf84b990936633c5a (git) Affected: a778912b4a53587ea07d85526d152f85d109cbfe , < bd3a6a083b408e96437dbd86ff543ba9ec3a788b (git) Affected: f0923011c1261b33a2ac1de349256d39cb750dd0 , < e30af53dca803893a29eb3bbe0539752ba435410 (git) Affected: 917a9d02182ac8b4f25eb47dc02f3ec679608c24 , < 1aacefd074b5dcc99b8dbcd73e1c963ed5010110 (git) Affected: 896f1a2493b59beb2b5ccdf990503dbb16cb2256 , < b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd (git) Affected: 896f1a2493b59beb2b5ccdf990503dbb16cb2256 , < 6d46ab395803f162cdc50e8d346e5f1a4e766771 (git) Affected: 896f1a2493b59beb2b5ccdf990503dbb16cb2256 , < f9ba47fce5932c15891c89c60e76dfaca919cb8d (git) Affected: e441db07f208184e0466abf44b389a81d70c340e (git) Affected: 5.15.197 , < 5.15.212 (semver) Affected: 6.1.159 , < 6.1.178 (semver) Affected: 6.6.118 , < 6.6.145 (semver) Affected: 6.12.60 , < 6.12.97 (semver) Affected: 6.17.10 , < 6.18 (semver)
Linux	Linux	Affected: 6.18 Unaffected: 0 , < 6.18 (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.97 , ≤ 6.12.* (semver) Unaffected: 6.18.40 , ≤ 6.18.* (semver) Unaffected: 7.1.5 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/qlogic/qede/qede_fp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6d203bdd227fca1787f8a80cf84b990936633c5a",
              "status": "affected",
              "version": "ecbb12caf399d7cf364b7553ed5aebeaa2f255bc",
              "versionType": "git"
            },
            {
              "lessThan": "bd3a6a083b408e96437dbd86ff543ba9ec3a788b",
              "status": "affected",
              "version": "a778912b4a53587ea07d85526d152f85d109cbfe",
              "versionType": "git"
            },
            {
              "lessThan": "e30af53dca803893a29eb3bbe0539752ba435410",
              "status": "affected",
              "version": "f0923011c1261b33a2ac1de349256d39cb750dd0",
              "versionType": "git"
            },
            {
              "lessThan": "1aacefd074b5dcc99b8dbcd73e1c963ed5010110",
              "status": "affected",
              "version": "917a9d02182ac8b4f25eb47dc02f3ec679608c24",
              "versionType": "git"
            },
            {
              "lessThan": "b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd",
              "status": "affected",
              "version": "896f1a2493b59beb2b5ccdf990503dbb16cb2256",
              "versionType": "git"
            },
            {
              "lessThan": "6d46ab395803f162cdc50e8d346e5f1a4e766771",
              "status": "affected",
              "version": "896f1a2493b59beb2b5ccdf990503dbb16cb2256",
              "versionType": "git"
            },
            {
              "lessThan": "f9ba47fce5932c15891c89c60e76dfaca919cb8d",
              "status": "affected",
              "version": "896f1a2493b59beb2b5ccdf990503dbb16cb2256",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e441db07f208184e0466abf44b389a81d70c340e",
              "versionType": "git"
            },
            {
              "lessThan": "5.15.212",
              "status": "affected",
              "version": "5.15.197",
              "versionType": "semver"
            },
            {
              "lessThan": "6.1.178",
              "status": "affected",
              "version": "6.1.159",
              "versionType": "semver"
            },
            {
              "lessThan": "6.6.145",
              "status": "affected",
              "version": "6.6.118",
              "versionType": "semver"
            },
            {
              "lessThan": "6.12.97",
              "status": "affected",
              "version": "6.12.60",
              "versionType": "semver"
            },
            {
              "lessThan": "6.18",
              "status": "affected",
              "version": "6.17.10",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/qlogic/qede/qede_fp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "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"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.212",
                  "versionStartIncluding": "5.15.197",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.178",
                  "versionStartIncluding": "6.1.159",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.145",
                  "versionStartIncluding": "6.6.118",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "6.12.60",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.17.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nqede: fix out-of-bounds check for cqe-\u003elen_list[]\n\nMove index check before element access."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:N - The bug is in qede TPA completion handling on the NAPI RX fastpath; remote TCP traffic to a Marvell/QLogic FastLinQ NIC causes firmware to post TPA CQEs that are parsed in qede_poll()-\u003eqede_rx_int()-\u003eqede_rx_process_tpa_cqe()-\u003eqede_tpa_cont()/qede_tpa_end().\nAC:L - An attacker can repeatedly send high-rate crafted TCP bursts to maximize TPA aggregation BD counts so all len_list[] slots are non-zero, deterministically hitting the misordered bounds check without races, special memory layout, or victim-specific state.\nPR:N - Only the ability to send Ethernet/TCP packets to a listening host with a qede interface is required; RX and TPA CQE processing occur in softirq before any authentication, capability checks, or local account access.\nUI:N - No victim action is needed beyond normal network operation; packet reception, interrupt handling, and NAPI polling automatically process attacker-supplied frames and completion descriptors.\nS:U - The out-of-bounds read and resulting skb/RX-ring corruption stay within the host kernel security boundary and do not cross VM, container, IOMMU, or sandbox isolation by themselves.\nC:H - The loop reads past len_list[] into adjacent completion-descriptor memory before the bound check, and the same malformed CQE drives qede_fill_frag_skb() with attacker-influenced lengths that can leak uninitialized RX-ring/page data up the network stack.\nI:H - Extra qede_fill_frag_skb() iterations advance frag_id without MAX_SKB_FRAGS limits and consume RX BDs using firmware-supplied lengths, enabling controllable skb shared-info and RX-ring corruption exploitable for arbitrary kernel writes.\nA:H - Corrupted skb fragment metadata and desynchronized RX BD consumption reliably trigger kernel oops/panic or wedged RX processing in softirq, and the condition is remotely repeatable for sustained denial of service."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-29T06:21:19.318Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6d203bdd227fca1787f8a80cf84b990936633c5a"
        },
        {
          "url": "https://git.kernel.org/stable/c/bd3a6a083b408e96437dbd86ff543ba9ec3a788b"
        },
        {
          "url": "https://git.kernel.org/stable/c/e30af53dca803893a29eb3bbe0539752ba435410"
        },
        {
          "url": "https://git.kernel.org/stable/c/1aacefd074b5dcc99b8dbcd73e1c963ed5010110"
        },
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          "url": "https://git.kernel.org/stable/c/b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d46ab395803f162cdc50e8d346e5f1a4e766771"
        },
        {
          "url": "https://git.kernel.org/stable/c/f9ba47fce5932c15891c89c60e76dfaca919cb8d"
        }
      ],
      "title": "qede: fix out-of-bounds check for cqe-\u003elen_list[]",
      "x_generator": {
        "engine": "bippy-1.2.0"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80609",
    "datePublished": "2026-08-28T06:48:32.751Z",
    "dateReserved": "2026-08-26T14:34:25.773Z",
    "dateUpdated": "2026-08-29T06:21:19.318Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

FKIE_CVE-2026-80609

CVE-2026-80609 (GCVE-0-2026-80609)

Tags

Sightings

Nomenclature