Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: zram: Fixed the race condition involving slot write operations. Parallel concurrent writes to the same zram index result in the zsmalloc handles being leaked. Schematically, it looks like this: CPU0 CPU1 zramslotlock...

Linux Distros Unpatched Vulnerability : CVE-2025-39941

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - zram: fix slot write race condition Parallel concurrent writes to the same zram index result in leaked zsmalloc handles. Schematically we can have something lik...

SUSE CVE-2025-39941

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot write race condition Parallel concurrent writes to the same zram index result in leaked zsmalloc handles. Schematically we can have something like this: CPU0 CPU1 zramslotlock zsfreehandle zramslotlock zramslotlock...

CVE-2025-39941

CVE-2025-39941 describes a race in zram slot handling in the Linux kernel. Parallel writes to the same zram index can leak zsmalloc handles because zs_free() may run too early; the fix requires resetting the zram entry right before assigning a new handle within the same slot lock scope. Documents...