medium5.5
CVE-2025-21963
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing acdirmax mount option User-provided mount param…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.12 before 5.15.180 from 5.16 before 6.1.132 from 6.2 before 6.6.84 from 6.7 before 6.12.20 from 6.13 before 6.13.8 Version 6.14 |
Weakness classification
References
- NVD record
- CVE.org record
- 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://lists.debian.org/debian-lts-announce/2025/05/msg00045.html