Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.9 |
| Debian | Debian Linux | 9.0 |
| Starwindsoftware | Command Center | - |
| Starwindsoftware | Starwind Hyperconverged Appliance | - |
| Starwindsoftware | Starwind San \& Nas | v8r12 |
| Starwindsoftware | Starwind Virtual San | v8 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1895961Issue TrackingThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing ListThird 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 TrackingThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing ListThird 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
FAQ
What is CVE-2020-25704?
CVE-2020-25704 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2020-25704?
CVE-2020-25704 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-25704?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Starwindsoftware Command Center, Starwindsoftware Starwind Hyperconverged Appliance, Starwindsoftware Starwind San \& Nas.