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CVE record · CVE-2026-80558

libceph: Avoid using invalid osd indices from primary_temp

CVSS 9.8 CriticalCriticalEPSS 0.0051 · 44th percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 26 Aug 2026, 14:37 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected 5e8d4d36bf23bb7baf027c479d54395840219928 to before 505fc50b8ff8e687b7e3ef6866269dea27366224 git
  • affected 5e8d4d36bf23bb7baf027c479d54395840219928 to before 1c705fe8e59c6b16f48964973fb23c8ec4735b73 git
  • affected 5e8d4d36bf23bb7baf027c479d54395840219928 to before dfe1877d351b99eb1b1a62a3fc2d174220e88e20 git
  • affected 5e8d4d36bf23bb7baf027c479d54395840219928 to before e2ffeec85201b2bb748e99e12539ee1b92f62796 git
  • affected 5e8d4d36bf23bb7baf027c479d54395840219928 to before 6799d4a916ffcb3d450d8440f9fe0f0862f768d6 git
  • affected 5e8d4d36bf23bb7baf027c479d54395840219928 to before 4f392fec075562dc93bb0c69f37423ca2af9b48f git
  • affected 5e8d4d36bf23bb7baf027c479d54395840219928 to before e009c5f0ad634c62f5c48a41f1f3c019ecf52555 git
  • affected 5e8d4d36bf23bb7baf027c479d54395840219928 to before 3660b98d1204b419f6a77e9a295f148dcf38d042 git
Other versions: unaffected
Linux Linux
  • affected 3.15
  • unaffected before 3.15 semver
  • unaffected 5.10.266 to 5.10.*, inclusive semver
  • unaffected 5.15.217 to 5.15.*, inclusive semver
  • unaffected 6.1.184 to 6.1.*, inclusive semver
  • unaffected 6.6.153 to 6.6.*, inclusive semver
  • unaffected 6.12.105 to 6.12.*, inclusive semver
  • unaffected 6.18.46 to 6.18.*, inclusive semver
  • unaffected 7.1.10 to 7.1.*, inclusive semver
  • unaffected 7.2 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-80558
CNA
Linux
Tags
Published
26 Aug 2026
Updated
16 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0051, the 44th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 26 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.