Vulnerability in Linux
CVE-2023-52704
In the Linux kernel, the following vulnerability has been resolved: freezer,umh: Fix call_usermode_helper_exec() vs SIGKILL Tetsuo-San noted that commit f5d39b020809 ("freezer,sched: Rewrite core freezer logic") broke call_usermodehelper_exec() for the KILLABLE case. Specifically it was missed that the second, unconditional, wait_for_completion() was not optional and ensures the on-stack completion is unused before going out-of-scope.
EPSS: 0.002 (10.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions f5d39b020809146cc28e6e73369bf8065e0310aa, 6.1, 0
- Linux Linux_kernel — versions 6.2
References
Frequently asked questions
- What is CVE-2023-52704?
- CVE-2023-52704 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2024-05-21.
- How severe is CVE-2023-52704?
- High severity. CVSS v3 base score is 7.8 out of 10.