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

Summary

CVECVE-2026-22984
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-23 16:15:54 UTC
Updated2026-04-27 14:16:27 UTC
DescriptionIn 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 ]

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

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

Problem Types: CWE-125


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected cd1a677cad994021b19665ed476aea63f5d54f31 194cfe2af4d2a1de599d39dad636b47c2f6c2c96 git Not specified
CNA Linux Linux affected cd1a677cad994021b19665ed476aea63f5d54f31 79fe3511db416d2f2edcfd93569807cb02736e5e git Not specified
CNA Linux Linux affected cd1a677cad994021b19665ed476aea63f5d54f31 ef208ea331ef688729f64089b895ed1b49e842e3 git Not specified
CNA Linux Linux affected cd1a677cad994021b19665ed476aea63f5d54f31 2802ef3380fa8c4a08cda51ec1f085b1a712e9e2 git Not specified
CNA Linux Linux affected cd1a677cad994021b19665ed476aea63f5d54f31 2d653bb63d598ae4b096dd678744bdcc34ee89e8 git Not specified
CNA Linux Linux affected cd1a677cad994021b19665ed476aea63f5d54f31 818156caffbf55cb4d368f9c3cac64e458fb49c9 git Not specified
CNA Linux Linux affected 5.11 Not specified
CNA Linux Linux unaffected 5.11 semver Not specified
CNA Linux Linux unaffected 5.15.198 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.161 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.121 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.66 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.6 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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