Vulnerability-Lookup

FKIE_CVE-2026-22984

Vulnerability from fkie_nvd - Published: 2026-01-23 16:15 - Updated: 2026-02-26 18:48

Severity ?

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

Summary

In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout. [ idryomov: changelog ]

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "82159CAA-B6BA-43C6-85D8-65BDBC175A7E",
              "versionEndExcluding": "5.15.198",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E135B7E2-61FC-4DC1-8570-ABD67894FFDE",
              "versionEndExcluding": "6.1.161",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BB7A164B-7422-4A1C-82FB-5FCAEE53C06C",
              "versionEndExcluding": "6.6.121",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F72B884C-B44F-40E4-9895-CE421AC663D0",
              "versionEndExcluding": "6.12.66",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "879529BC-5B4C-4EBE-BF1D-1A31404A8B2E",
              "versionEndExcluding": "6.18.6",
              "versionStartIncluding": "6.13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: prevent potential out-of-bounds reads in handle_auth_done()\n\nPerform an explicit bounds check on payload_len to avoid a possible\nout-of-bounds access in the callout.\n\n[ idryomov: changelog ]"
    }
  ],
  "id": "CVE-2026-22984",
  "lastModified": "2026-02-26T18:48:45.403",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-01-23T16:15:54.440",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2026-22984 (GCVE-0-2026-22984)

Vulnerability from cvelistv5 – Published: 2026-01-23 15:24 – Updated: 2026-02-09 08:36

Title

libceph: prevent potential out-of-bounds reads in handle_auth_done()

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/194cfe2af4d2a1de5…
	https://git.kernel.org/stable/c/79fe3511db416d2f2…
	https://git.kernel.org/stable/c/ef208ea331ef68872…
	https://git.kernel.org/stable/c/2802ef3380fa8c4a0…
	https://git.kernel.org/stable/c/2d653bb63d598ae4b…
	https://git.kernel.org/stable/c/818156caffbf55cb4…

Impacted products

Vendor

Product

Version

Linux

Affected: cd1a677cad994021b19665ed476aea63f5d54f31 , < 194cfe2af4d2a1de599d39dad636b47c2f6c2c96 (git)
Affected: cd1a677cad994021b19665ed476aea63f5d54f31 , < 79fe3511db416d2f2edcfd93569807cb02736e5e (git)
Affected: cd1a677cad994021b19665ed476aea63f5d54f31 , < ef208ea331ef688729f64089b895ed1b49e842e3 (git)
Affected: cd1a677cad994021b19665ed476aea63f5d54f31 , < 2802ef3380fa8c4a08cda51ec1f085b1a712e9e2 (git)
Affected: cd1a677cad994021b19665ed476aea63f5d54f31 , < 2d653bb63d598ae4b096dd678744bdcc34ee89e8 (git)
Affected: cd1a677cad994021b19665ed476aea63f5d54f31 , < 818156caffbf55cb4d368f9c3cac64e458fb49c9 (git)

Linux

Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.198 , ≤ 5.15.* (semver)
Unaffected: 6.1.161 , ≤ 6.1.* (semver)
Unaffected: 6.6.121 , ≤ 6.6.* (semver)
Unaffected: 6.12.66 , ≤ 6.12.* (semver)
Unaffected: 6.18.6 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ceph/messenger_v2.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "194cfe2af4d2a1de599d39dad636b47c2f6c2c96",
              "status": "affected",
              "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
              "versionType": "git"
            },
            {
              "lessThan": "79fe3511db416d2f2edcfd93569807cb02736e5e",
              "status": "affected",
              "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "2802ef3380fa8c4a08cda51ec1f085b1a712e9e2",
              "status": "affected",
              "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
              "versionType": "git"
            },
            {
              "lessThan": "2d653bb63d598ae4b096dd678744bdcc34ee89e8",
              "status": "affected",
              "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
              "versionType": "git"
            },
            {
              "lessThan": "818156caffbf55cb4d368f9c3cac64e458fb49c9",
              "status": "affected",
              "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/ceph/messenger_v2.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": "5.15.*",
              "status": "unaffected",
              "version": "5.15.198",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.161",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.121",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.66",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T08:36:34.605Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        },
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        {
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        },
        {
          "url": "https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9"
        }
      ],
      "title": "libceph: prevent potential out-of-bounds reads in handle_auth_done()",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-22984",
    "datePublished": "2026-01-23T15:24:06.245Z",
    "dateReserved": "2026-01-13T15:37:45.936Z",
    "dateUpdated": "2026-02-09T08:36:34.605Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

FKIE_CVE-2026-22984

CVE-2026-22984 (GCVE-0-2026-22984)

Tags

Sightings

Nomenclature