CVE-2025-21963
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-21963
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21963.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-21963
- Downstream
- Related
- Published
- 2025-04-01T15:46:59.773Z
- Modified
- 2025-11-28T02:33:56.701544Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- cifs: Fix integer overflow while processing acdirmax mount option
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix integer overflow while processing acdirmax mount option
User-provided mount parameter acdirmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to an integer overflow.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21963.json" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0c26edf477e093cefc41637f5bccc102e1a77399
- https://git.kernel.org/stable/c/2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c
- https://git.kernel.org/stable/c/39d086bb3558da9640ef335f97453e01d32578a1
- https://git.kernel.org/stable/c/5b29891f91dfb8758baf1e2217bef4b16b2b165b
- https://git.kernel.org/stable/c/6124cbf73e3dea7591857dd63b8ccece28952afd
- https://git.kernel.org/stable/c/9e438d0410a4002d24f420f2c28897ba2dc0af64
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21963.json
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-21963
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
-
Introduced4c9f948142a550af416a2bfb5e56d29ce29e92cfFixed0c26edf477e093cefc41637f5bccc102e1a77399Fixed39d086bb3558da9640ef335f97453e01d32578a1Fixed9e438d0410a4002d24f420f2c28897ba2dc0af64Fixed2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3cFixed6124cbf73e3dea7591857dd63b8ccece28952afdFixed5b29891f91dfb8758baf1e2217bef4b16b2b165b