CVE-2026-22984

CRITICAL 9.8

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

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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 ]

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Jan 23, 2026
Last Updated	Apr 27, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Linux / Linux

cd1a677cad994021b19665ed476aea63f5d54f31 < 194cfe2af4d2a1de599d39dad636b47c2f6c2c96 cd1a677cad994021b19665ed476aea63f5d54f31 < 79fe3511db416d2f2edcfd93569807cb02736e5e cd1a677cad994021b19665ed476aea63f5d54f31 < ef208ea331ef688729f64089b895ed1b49e842e3 cd1a677cad994021b19665ed476aea63f5d54f31 < 2802ef3380fa8c4a08cda51ec1f085b1a712e9e2 cd1a677cad994021b19665ed476aea63f5d54f31 < 2d653bb63d598ae4b096dd678744bdcc34ee89e8 cd1a677cad994021b19665ed476aea63f5d54f31 < 818156caffbf55cb4d368f9c3cac64e458fb49c9

Linux / Linux

5.11

References

NVD ↗ CVE.org ↗ EPSS Data ↗

git.kernel.org: https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96 git.kernel.org: https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e git.kernel.org: https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3 git.kernel.org: https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2 git.kernel.org: https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8 git.kernel.org: https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9