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CVE-2024-43832s390/uv: Don't call folio_wait_writeback() without a folio reference
- 7.8HighCVSS base score
- 0.24%Exploitation in 30 daysEPSS · top 85% 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: s390/uv: Don't call folio_wait_writeback() without a folio reference folio_wait_writeback() requires that no spinlocks are held and that a folio reference is held, as documented. After we dropped the PTL, the folio could get freed concurrently. So grab a temporary reference.
Timeline
ID reserved
By Linux
Published
- 24 months later
· 24 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 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 214d9bbcd3a67230b932f6cea83c078ab34d9e70 – < 1a1eb2f3fc453dcd52726d13e863938561489cb7
- affected 214d9bbcd3a67230b932f6cea83c078ab34d9e70 – < 8736604ef53359a718c246087cd21dcec232d2fb
- affected 214d9bbcd3a67230b932f6cea83c078ab34d9e70 – < b21aba72aadd94bdac275deab021fc84d6c72b16
- affected 214d9bbcd3a67230b932f6cea83c078ab34d9e70 – < 3f29f6537f54d74e64bac0a390fb2e26da25800d
- affected 5.7
- unaffected < 5.7
- unaffected 6.1.103 – ≤ 6.1.*
- unaffected 6.6.44 – ≤ 6.6.*
- unaffected 6.10.3 – ≤ 6.10.*
- unaffected 6.11 – ≤ *
References
References5
- https://git.kernel.org/stable/c/1a1eb2f3fc453dcd52726d13e863938561489cb7 (opens in a new tab)
- https://git.kernel.org/stable/c/8736604ef53359a718c246087cd21dcec232d2fb (opens in a new tab)
- https://git.kernel.org/stable/c/b21aba72aadd94bdac275deab021fc84d6c72b16 (opens in a new tab)
- https://git.kernel.org/stable/c/3f29f6537f54d74e64bac0a390fb2e26da25800d (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html (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-2024-40482 (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-2024-43832)Record last updated .