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CVE-2024-56763tracing: Prevent bad count for tracing_cpumask_write
- 5.5MediumCVSS base score
- 0.21%Exploitation in 30 daysEPSS · top 89% 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: tracing: Prevent bad count for tracing_cpumask_write If a large count is provided, it will trigger a warning in bitmap_parse_user. Also check zero for it.
Timeline
ID reserved
By Linux
- 8 days later
· 8 days later
Published
- 16 months later
· 16 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 |
|---|---|---|---|
| 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)
- 0.21% · top 89% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 9e01c1b74c9531e301c900edaa92a99fcb7738f2 – < 2558d753df0628d4187d8e1fd989339460f4f364
- affected 9e01c1b74c9531e301c900edaa92a99fcb7738f2 – < f60172b447317cb6c5e74b5601a151866269baf6
- affected 9e01c1b74c9531e301c900edaa92a99fcb7738f2 – < 3d15f4c2449558ffe83b4dba30614ef1cd6937c3
- affected 9e01c1b74c9531e301c900edaa92a99fcb7738f2 – < 03041e474a6a8f1bfd4b96b164bb3165c48fa1a3
- affected 9e01c1b74c9531e301c900edaa92a99fcb7738f2 – < 1cca920af19df5dd91254e5ff35e68e911683706
- affected 9e01c1b74c9531e301c900edaa92a99fcb7738f2 – < 98feccbf32cfdde8c722bc4587aaa60ee5ac33f0
- affected 2.6.29
- unaffected < 2.6.29
- unaffected 5.10.233 – ≤ 5.10.*
- unaffected 5.15.176 – ≤ 5.15.*
- unaffected 6.1.123 – ≤ 6.1.*
- unaffected 6.6.69 – ≤ 6.6.*
- unaffected 6.12.8 – ≤ 6.12.*
- unaffected 6.13 – ≤ *
References
References8
- https://git.kernel.org/stable/c/2558d753df0628d4187d8e1fd989339460f4f364 (opens in a new tab)
- https://git.kernel.org/stable/c/f60172b447317cb6c5e74b5601a151866269baf6 (opens in a new tab)
- https://git.kernel.org/stable/c/3d15f4c2449558ffe83b4dba30614ef1cd6937c3 (opens in a new tab)
- https://git.kernel.org/stable/c/03041e474a6a8f1bfd4b96b164bb3165c48fa1a3 (opens in a new tab)
- https://git.kernel.org/stable/c/1cca920af19df5dd91254e5ff35e68e911683706 (opens in a new tab)
- https://git.kernel.org/stable/c/98feccbf32cfdde8c722bc4587aaa60ee5ac33f0 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.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-2024-53406 (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-2024-56763)Record last updated .