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 zram: fix slot write race condition

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...

PT-2025-40637

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in zram related to concurrent writes to the same zram index. This can lead to leaked zsmalloc handles. The issue occurs when multiple CPUs attempt to free memory ...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a contention condition during parallel concurrent writes to the same zram index, which could lead to the...