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

Vulnerability from cvelistv5 – Published: 2026-01-23 15:24 – Updated: 2026-01-26 06:52
VLAI?
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
References
Impacted products
Vendor Product Version
Linux 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)
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    Linux 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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{
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          "defaultStatus": "unaffected",
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          "programFiles": [
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              "status": "unaffected",
              "version": "0",
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            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.198",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.161",
              "versionType": "semver"
            },
            {
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              "version": "6.6.121",
              "versionType": "semver"
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              "lessThanOrEqual": "6.12.*",
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              "version": "6.12.66",
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              "status": "unaffected",
              "version": "6.18.6",
              "versionType": "semver"
            },
            {
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              "version": "6.19-rc5",
              "versionType": "original_commit_for_fix"
            }
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        }
      ],
      "cpeApplicability": [
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          "nodes": [
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          "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"
      },
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        },
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          "url": "https://git.kernel.org/stable/c/6afd2a4213524bc742b709599a3663aeaf77193c"
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          "url": "https://git.kernel.org/stable/c/e00c3f71b5cf75681dbd74ee3f982a99cb690c2b"
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      ],
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    "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"
  },
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  }
}


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