CVE-2020-25704
MEDIUMLinux Kernel < 5.9 - Use-After-Free in Performance Monitoring Subsystem
Title source: llmDescription
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 (6)
Core 6
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1895961
Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00
Third Party Advisory
https://www.starwindsoftware.com/security/sw-20220802-0003/
Scores
CVSS v3
5.5
EPSS
0.0035
EPSS Percentile
26.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-401
Status
published
Products (7)
debian/debian_linux
9.0
linux/linux_kernel
5.10 rc1 (2 CPE variants)
linux/linux_kernel
< 5.9
starwindsoftware/command_center
starwindsoftware/starwind_hyperconverged_appliance
starwindsoftware/starwind_san_\&_nas
v8r12
starwindsoftware/starwind_virtual_san
v8 build14398
Published
Dec 02, 2020
Tracked Since
Feb 18, 2026