CVE-2025-21963

Description

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.

Reserved 2024-12-29 | Published 2025-04-01 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

4c9f948142a550af416a2bfb5e56d29ce29e92cf before 0c26edf477e093cefc41637f5bccc102e1a77399
affected

4c9f948142a550af416a2bfb5e56d29ce29e92cf before 39d086bb3558da9640ef335f97453e01d32578a1
affected

4c9f948142a550af416a2bfb5e56d29ce29e92cf before 9e438d0410a4002d24f420f2c28897ba2dc0af64
affected

4c9f948142a550af416a2bfb5e56d29ce29e92cf before 2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c
affected

4c9f948142a550af416a2bfb5e56d29ce29e92cf before 6124cbf73e3dea7591857dd63b8ccece28952afd
affected

4c9f948142a550af416a2bfb5e56d29ce29e92cf before 5b29891f91dfb8758baf1e2217bef4b16b2b165b
affected

Default status
affected

5.12
affected

Any version before 5.12
unaffected

5.15.180
unaffected

6.1.132
unaffected

6.6.84
unaffected

6.12.20
unaffected

6.13.8
unaffected

6.14
unaffected

References

git.kernel.org/...c/0c26edf477e093cefc41637f5bccc102e1a77399

git.kernel.org/...c/39d086bb3558da9640ef335f97453e01d32578a1

git.kernel.org/...c/9e438d0410a4002d24f420f2c28897ba2dc0af64

git.kernel.org/...c/2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c

git.kernel.org/...c/6124cbf73e3dea7591857dd63b8ccece28952afd

git.kernel.org/...c/5b29891f91dfb8758baf1e2217bef4b16b2b165b

cve.org (CVE-2025-21963)

nvd.nist.gov (CVE-2025-21963)

Download JSON