CVE-2020-25704

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory kernel.org
Affected: n/a kernel
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1895961 issue tracking third party advisory
https://www.openwall.com/lists/oss-security/2020/11/09/1 mailing list
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00 patch vendor advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html third party advisory mailing list
https://www.starwindsoftware.com/security/sw-20220802-0003/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-25704?
CVE-2020-25704 has been scored as a medium severity vulnerability.
How to fix CVE-2020-25704?
To fix CVE-2020-25704, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-25704 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-25704 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-25704?
CVE-2020-25704 affects n/a kernel.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.