CVE-2026-22984

moderate-risk
Published 2026-01-23

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 ]

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Linux

References (6)

Patch https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96
Patch https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2
Patch https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8
Patch https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e
Patch https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9
Patch https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3
44
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 0/34 · Minimal
Exposure 12/34 · Low