CVE-2025-21946
- Source
- https://cve.org/CVERecord?id=CVE-2025-21946
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21946.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-21946
- Downstream
- Published
- 2025-04-01T15:41:08.955Z
- Modified
- 2026-03-09T23:55:33.190743Z
- Summary
- ksmbd: fix out-of-bounds in parse_sec_desc()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix out-of-bounds in parsesecdesc()
If osidoffset, gsidoffset and dacloffset could be greater than smb_ntsd struct size. If it is smaller, It could cause slab-out-of-bounds. And when validating sid, It need to check it included subauth array size.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21946.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/159d059cbcb0e6d0e7a7b34af3862ba09a6b22d1
- https://git.kernel.org/stable/c/6a9831180d0b23b5c97e2bd841aefc8f82900172
- https://git.kernel.org/stable/c/c1569dbbe2d43041be9f3fef7ca08bec3b66ad1b
- https://git.kernel.org/stable/c/d6e13e19063db24f94b690159d0633aaf72a0f03
- https://git.kernel.org/stable/c/f4ee19528664777af8b842f8f001be98345aa973
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21946.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-21946
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
-
Introduced0626e6641f6b467447c81dd7678a69c66f7746cfFixedf4ee19528664777af8b842f8f001be98345aa973Fixedc1569dbbe2d43041be9f3fef7ca08bec3b66ad1bFixed159d059cbcb0e6d0e7a7b34af3862ba09a6b22d1Fixed6a9831180d0b23b5c97e2bd841aefc8f82900172Fixedd6e13e19063db24f94b690159d0633aaf72a0f03