CVE-2020-25704

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-401

Affected software

Vendor	Product	Versions
n/a	kernel	kernel 5.10-rc3

References

https://bugzilla.redhat.com/show_bug.cgi?id=1895961Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/09/1Mailing List
https://www.starwindsoftware.com/security/sw-20220802-0003/Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1895961Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/09/1Mailing List
https://www.starwindsoftware.com/security/sw-20220802-0003/Third Party Advisory

Timeline

Published: Dec 2, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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