Vulnerability-Lookup

GHSA-FF5W-PJXM-V3RR

Vulnerability from github – Published: 2026-01-23 18:31 – Updated: 2026-01-23 18:31

Details

In the Linux kernel, the following vulnerability has been resolved:

libceph: replace overzealous BUG_ON in osdmap_apply_incremental()

If the osdmap is (maliciously) corrupted such that the incremental osdmap epoch is different from what is expected, there is no need to BUG. Instead, just declare the incremental osdmap to be invalid.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-22990"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-23T16:15:55Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: replace overzealous BUG_ON in osdmap_apply_incremental()\n\nIf the osdmap is (maliciously) corrupted such that the incremental\nosdmap epoch is different from what is expected, there is no need to\nBUG.  Instead, just declare the incremental osdmap to be invalid.",
  "id": "GHSA-ff5w-pjxm-v3rr",
  "modified": "2026-01-23T18:31:29Z",
  "published": "2026-01-23T18:31:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22990"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4b106fbb1c7b841cd402abd83eb2447164c799ea"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6348d70af847b79805374fe628d3809a63fd7df3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6afd2a4213524bc742b709599a3663aeaf77193c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c6cec3db3b418c4fdf815731bc39e46dff75e1b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9aa0b0c14cefece078286d78b97d4c09685e372d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d3613770e2677683e65d062da5e31f48c409abe9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e00c3f71b5cf75681dbd74ee3f982a99cb690c2b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-22990 (GCVE-0-2026-22990)

Vulnerability from cvelistv5 – Published: 2026-01-23 15:24 – Updated: 2026-01-26 06:52

Title

libceph: replace overzealous BUG_ON in osdmap_apply_incremental()

Summary

In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() If the osdmap is (maliciously) corrupted such that the incremental osdmap epoch is different from what is expected, there is no need to BUG. Instead, just declare the incremental osdmap to be invalid.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/9aa0b0c14cefece07…
	https://git.kernel.org/stable/c/4b106fbb1c7b841cd…
	https://git.kernel.org/stable/c/6afd2a4213524bc74…
	https://git.kernel.org/stable/c/d3613770e2677683e…
	https://git.kernel.org/stable/c/6c6cec3db3b418c4f…
	https://git.kernel.org/stable/c/6348d70af847b7980…
	https://git.kernel.org/stable/c/e00c3f71b5cf75681…

Impacted products

Vendor

Product

Version

Linux

Affected: f24e9980eb860d8600cbe5ef3d2fd9295320d229 , < 9aa0b0c14cefece078286d78b97d4c09685e372d (git)
Affected: f24e9980eb860d8600cbe5ef3d2fd9295320d229 , < 4b106fbb1c7b841cd402abd83eb2447164c799ea (git)
Affected: f24e9980eb860d8600cbe5ef3d2fd9295320d229 , < 6afd2a4213524bc742b709599a3663aeaf77193c (git)
Affected: f24e9980eb860d8600cbe5ef3d2fd9295320d229 , < d3613770e2677683e65d062da5e31f48c409abe9 (git)
Affected: f24e9980eb860d8600cbe5ef3d2fd9295320d229 , < 6c6cec3db3b418c4fdf815731bc39e46dff75e1b (git)
Affected: f24e9980eb860d8600cbe5ef3d2fd9295320d229 , < 6348d70af847b79805374fe628d3809a63fd7df3 (git)
Affected: f24e9980eb860d8600cbe5ef3d2fd9295320d229 , < e00c3f71b5cf75681dbd74ee3f982a99cb690c2b (git)

Linux

Affected: 2.6.34
Unaffected: 0 , < 2.6.34 (semver)
Unaffected: 5.10.248 , ≤ 5.10.* (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-rc5 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ceph/osdmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9aa0b0c14cefece078286d78b97d4c09685e372d",
              "status": "affected",
              "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229",
              "versionType": "git"
            },
            {
              "lessThan": "4b106fbb1c7b841cd402abd83eb2447164c799ea",
              "status": "affected",
              "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229",
              "versionType": "git"
            },
            {
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              "versionType": "git"
            },
            {
              "lessThan": "6c6cec3db3b418c4fdf815731bc39e46dff75e1b",
              "status": "affected",
              "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229",
              "versionType": "git"
            },
            {
              "lessThan": "6348d70af847b79805374fe628d3809a63fd7df3",
              "status": "affected",
              "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229",
              "versionType": "git"
            },
            {
              "lessThan": "e00c3f71b5cf75681dbd74ee3f982a99cb690c2b",
              "status": "affected",
              "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/ceph/osdmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.34"
            },
            {
              "lessThan": "2.6.34",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.248",
              "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-rc5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.248",
                  "versionStartIncluding": "2.6.34",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.198",
                  "versionStartIncluding": "2.6.34",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.161",
                  "versionStartIncluding": "2.6.34",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.121",
                  "versionStartIncluding": "2.6.34",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.66",
                  "versionStartIncluding": "2.6.34",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.6",
                  "versionStartIncluding": "2.6.34",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19-rc5",
                  "versionStartIncluding": "2.6.34",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: replace overzealous BUG_ON in osdmap_apply_incremental()\n\nIf the osdmap is (maliciously) corrupted such that the incremental\nosdmap epoch is different from what is expected, there is no need to\nBUG.  Instead, just declare the incremental osdmap to be invalid."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-26T06:52:37.273Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9aa0b0c14cefece078286d78b97d4c09685e372d"
        },
        {
          "url": "https://git.kernel.org/stable/c/4b106fbb1c7b841cd402abd83eb2447164c799ea"
        },
        {
          "url": "https://git.kernel.org/stable/c/6afd2a4213524bc742b709599a3663aeaf77193c"
        },
        {
          "url": "https://git.kernel.org/stable/c/d3613770e2677683e65d062da5e31f48c409abe9"
        },
        {
          "url": "https://git.kernel.org/stable/c/6c6cec3db3b418c4fdf815731bc39e46dff75e1b"
        },
        {
          "url": "https://git.kernel.org/stable/c/6348d70af847b79805374fe628d3809a63fd7df3"
        },
        {
          "url": "https://git.kernel.org/stable/c/e00c3f71b5cf75681dbd74ee3f982a99cb690c2b"
        }
      ],
      "title": "libceph: replace overzealous BUG_ON in osdmap_apply_incremental()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-22990",
    "datePublished": "2026-01-23T15:24:11.332Z",
    "dateReserved": "2026-01-13T15:37:45.937Z",
    "dateUpdated": "2026-01-26T06:52:37.273Z",
    "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

GHSA-FF5W-PJXM-V3RR

CVE-2026-22990 (GCVE-0-2026-22990)

Tags

Sightings

Nomenclature