CVE-2025-21963
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedApr 1, 2025
First seenApr 1, 2025
Weakness typeCWE-190Integer overflow
How to fix
Update
- linux linux_kernel5.15.180, 6.1.132, 6.6.84, 6.12.20, 6.13.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.12 ≤ v < 5.15.180, 5.16 ≤ v < 6.1.132, 6.2 ≤ v < 6.6.84, 6.7 ≤ v < 6.12.20, 6.13 ≤ v < 6.13.8, 6.14 | 5.15.180, 6.1.132, 6.6.84, 6.12.20, 6.13.8 |
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