CVE-2025-40291
- Source
- https://cve.org/CVERecord?id=CVE-2025-40291
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40291.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-40291
- Downstream
- Published
- 2025-12-08T00:46:14.601Z
- Modified
- 2025-12-08T03:39:52.946560Z
- Summary
- io_uring: fix regbuf vector size truncation
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
io_uring: fix regbuf vector size truncation
There is a report of ioestimatebvec_size() truncating the calculated number of segments that leads to corruption issues. Check it doesn't overflow "int"s used later. Rough but simple, can be improved on top.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40291.json" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/146eb58629f45f8297e83d69e64d4eea4b28d972
- https://git.kernel.org/stable/c/826ce37a842633efe1bb763e4b13045d74060d72
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40291.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-40291
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced9ef4cbbcb4ac3786a1a4164507511b76b2a572c5Fixed826ce37a842633efe1bb763e4b13045d74060d72Fixed146eb58629f45f8297e83d69e64d4eea4b28d972
Affected versions
v6.*
v6.14
v6.14-rc6
v6.14-rc7
v6.15
v6.15-rc1
v6.15-rc2
v6.15-rc3
v6.15-rc4
v6.15-rc5
v6.15-rc6
v6.15-rc7
v6.16
v6.16-rc1
v6.16-rc2
v6.16-rc3
v6.16-rc4
v6.16-rc5
v6.16-rc6
v6.16-rc7
v6.17
v6.17-rc1
v6.17-rc2
v6.17-rc3
v6.17-rc4
v6.17-rc5
v6.17-rc6
v6.17-rc7
v6.17.1
v6.17.2
v6.17.3
v6.17.4
v6.17.5
v6.17.6
v6.17.7
v6.18-rc1