Vulnerability in Linux Linux_kernel
CVE-2020-25704
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.
EPSS: 0.003 (26.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel — versions 5.10
- Starwindsoftware Command_center
- Starwindsoftware Starwind_hyperconverged_appliance
- Starwindsoftware Starwind_san_\&_nas — versions v8r12
- Starwindsoftware Starwind_virtual_san — versions v8
- Debian Debian_linux — versions 9.0
- N/a Kernel — versions kernel 5.10-rc3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Mailing List)
- secalert@redhat.com (Patch, Vendor Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-25704?
- CVE-2020-25704 is a medium-severity vulnerability in Linux Linux_kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2020-12-02.
- How severe is CVE-2020-25704?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-25704 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.