CVE-2020-25704

medium

Description

A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.

References

Advisories
More

https://www.starwindsoftware.com/security/sw-20220802-0003/

https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html

https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html

https://bugzilla.redhat.com/show_bug.cgi?id=1895961

https://www.openwall.com/lists/oss-security/2020/11/09/1

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00

Details

Source: Mitre, NVD

Published: 2020-12-02

Updated: 2022-10-25

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H