ALSA-2025:8142 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: cifs: Fix integer overflow while processing acregmax mount option CVE-2025-21964 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: cifs: Fix integer overflow while processing acregmax mount option CVE-2025-21964 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

CVE-2025-21962

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing closetimeo mount option User-provided mount parameter closetimeo of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffi...

CVE-2025-21964

CVE-2025-21964 affects the Linux kernel CIFS mount option acregmax. The issue arises when user-provided acregmax (u32) is not yet validated; its value is converted from seconds to jiffies, which can overflow an integer. This is a local vulnerability in which an attacker with local access could po...

CVE-2025-21962 cifs: Fix integer overflow while processing closetimeo mount option

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing closetimeo mount option User-provided mount parameter closetimeo of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffi...

CVE-2025-21962

CVE-2025-21962 affects the Linux kernel CIFS mount option closetimeo, where user-provided closetimeo (u32) is converted to jiffies before validation, allowing an integer overflow. Connected sources (Astra Linux, ALAS AWS advisories, Debian/Red Hat references) confirm this as a kernel-level issue ...

CVE-2025-21963 cifs: Fix integer overflow while processing acdirmax mount option

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...