CVE-2020-25704

moderate-risk
Published 2020-12-02

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.

Do I need to act?

-
0.07% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (8)

Starwind Hyperconverged Appliance
Starwind San \& Nas

Affected Vendors

Debian Linux Starwindsoftware

References (12)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1895961
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7b...
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
Mailing List https://www.openwall.com/lists/oss-security/2020/11/09/1
Third Party Advisory https://www.starwindsoftware.com/security/sw-20220802-0003/
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1895961
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7b...
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
Mailing List https://www.openwall.com/lists/oss-security/2020/11/09/1
Third Party Advisory https://www.starwindsoftware.com/security/sw-20220802-0003/
32
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 14/34 · Moderate