CVE-2020-25704medium
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
https://bugzilla.redhat.com/show_bug.cgi?id=1895961
https://www.openwall.com/lists/oss-security/2020/11/09/1
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
Details
Source: MITRE
Published: 2020-12-02
Updated: 2022-01-01
Type: CWE-401
Risk Information
CVSS v2
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
CVSS v3
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM