Back
CVE-2026-22984libceph: prevent potential out-of-bounds reads in handle_auth_done()
- 9.8CriticalCVSS base score
- 0.41%Exploitation in 30 daysEPSS · top 64% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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 ]
Timeline
ID reserved
By Linux
- 10 days later
· 10 days later
Published
- 9 months later
· 9 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.41% · top 64% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected cd1a677cad994021b19665ed476aea63f5d54f31 – < 194cfe2af4d2a1de599d39dad636b47c2f6c2c96
- affected cd1a677cad994021b19665ed476aea63f5d54f31 – < 79fe3511db416d2f2edcfd93569807cb02736e5e
- affected cd1a677cad994021b19665ed476aea63f5d54f31 – < ef208ea331ef688729f64089b895ed1b49e842e3
- affected cd1a677cad994021b19665ed476aea63f5d54f31 – < 2802ef3380fa8c4a08cda51ec1f085b1a712e9e2
- affected cd1a677cad994021b19665ed476aea63f5d54f31 – < 2d653bb63d598ae4b096dd678744bdcc34ee89e8
- affected cd1a677cad994021b19665ed476aea63f5d54f31 – < 818156caffbf55cb4d368f9c3cac64e458fb49c9
- affected 5.11
- unaffected < 5.11
- unaffected 5.15.198 – ≤ 5.15.*
- unaffected 6.1.161 – ≤ 6.1.*
- unaffected 6.6.121 – ≤ 6.6.*
- unaffected 6.12.66 – ≤ 6.12.*
- unaffected 6.18.6 – ≤ 6.18.*
- unaffected 6.19 – ≤ *
References
References6
- https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96 (opens in a new tab)
- https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e (opens in a new tab)
- https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3 (opens in a new tab)
- https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2 (opens in a new tab)
- https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8 (opens in a new tab)
- https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-4298 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-22984)Record last updated .