๐Ÿ›ก๏ธ CVE-2025-37880
๐ŸŸก CVSS 5.5 โ€” Medium โœ… No Known Exploit CWE-667 NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

In the Linux kernel, the following vulnerability has been resolved: um: work around sched_yield not yielding in time-travel mode sched_yield by a userspace may not actually cause scheduling in time-travel mode as no time has passed. In the case seen it appears to be a badly implemented userspace spinlock in ASAN. Unfortunately, with time-travel it causes an extreme slowdown or even deadlock depending on the kernel configuration (CONFIG_UML_MAX_USERSPACE_ITERATIONS). Work around it by accounting time to the process whenever it executes a sched_yield syscall.

Details

Severity MEDIUM
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-667
Public Exploit โœ… No
Source NVD
Published 2025-05-09
Updated 2026-06-02
Modified 2025-11-12

Affected Packages

Software From version Fixed in
linux-kernel โ€” 6.14.5

Similar Threats

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