01 Record

CVE-2026-22984

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

CriticalPUBLISHEDCNA: Linux

CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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02 Description

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

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 28.4% of scored records. A rank, not a probability.

NVD base score

7.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2026-01-23 15:24Z7 MO AGO

Last updated

2026-08-05 12:19Z1 MO AGO

Reserved

2026-01-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

37f99c8709609a218e8a33ff0784cda6d35e2fc4330a22119f3794f7413253c6

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxcd1a677cad994021b19665ed476aea63f5d54f31 to < 194cfe2af4d2a1de599d39dad636b47c2f6c2c96, cd1a677cad994021b19665ed476aea63f5d54f31 to < 79fe3511db416d2f2edcfd93569807cb02736e5e, cd1a677cad994021b19665ed476aea63f5d54f31 to < ef208ea331ef688729f64089b895ed1b49e842e3, cd1a677cad994021b19665ed476aea63f5d54f31 to < 2802ef3380fa8c4a08cda51ec1f085b1a712e9e2, cd1a677cad994021b19665ed476aea63f5d54f31 to < 2d653bb63d598ae4b096dd678744bdcc34ee89e8, cd1a677cad994021b19665ed476aea63f5d54f31 to < 818156caffbf55cb4d368f9c3cac64e458fb49c9, 5.11—

06 References

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

01 Record index

CVE-2026-22984

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-22984

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References