Threats tagged 'ghsa-h9h6-5fw6-j683'

CVE-2025-21963 is a medium severity vulnerability in the Linux kernel's CIFS module. It involves an integer overflow when processing the user-supplied acdirmax mount option. The value is converted from seconds to jiffies before validation, which can cause the overflow. This flaw could lead to an availability impact on affected systems. The issue was discovered by the Linux Verification Center and has been fixed in the Linux kernel.