CVE-2024-26736afs: Increase buffer size in afs_update_volume_status()
- 8.1HighCVSS base score
- 0.73%Exploitation in 30 daysEPSS · top 45% 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: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. [DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]
Timeline
ID reserved
By Linux
- 44 days later
· 44 days later
Published
- 2 years later
· 2 years 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 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.73% · top 45% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Affected products
- affected d2ddc776a4581d900fc3bdc7803b403daae64d88 – < 5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5
- affected d2ddc776a4581d900fc3bdc7803b403daae64d88 – < d9b5e2b7a8196850383c70d099bfd39e81ab6637
- affected d2ddc776a4581d900fc3bdc7803b403daae64d88 – < e56662160fc24d28cb75ac095cc6415ae1bda43e
- affected d2ddc776a4581d900fc3bdc7803b403daae64d88 – < e8530b170e464017203e3b8c6c49af6e916aece1
- affected d2ddc776a4581d900fc3bdc7803b403daae64d88 – < 6e6065dd25b661420fac19c34282b6c626fcd35e
- affected d2ddc776a4581d900fc3bdc7803b403daae64d88 – < d34a5e57632bb5ff825196ddd9a48ca403626dfa
- affected d2ddc776a4581d900fc3bdc7803b403daae64d88 – < 6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d
- affected 4.15
- unaffected < 4.15
- unaffected 5.4.270 – ≤ 5.4.*
- unaffected 5.10.211 – ≤ 5.10.*
- unaffected 5.15.150 – ≤ 5.15.*
- unaffected 6.1.80 – ≤ 6.1.*
- unaffected 6.6.19 – ≤ 6.6.*
- unaffected 6.7.7 – ≤ 6.7.*
- unaffected 6.8 – ≤ *
References
References8
- https://git.kernel.org/stable/c/5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d9b5e2b7a8196850383c70d099bfd39e81ab6637 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e56662160fc24d28cb75ac095cc6415ae1bda43e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e8530b170e464017203e3b8c6c49af6e916aece1 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/6e6065dd25b661420fac19c34282b6c626fcd35e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d34a5e57632bb5ff825196ddd9a48ca403626dfa (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html (opens in a new tab)x_transferred
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-2024-23998 (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-2024-26736)Record last updated .