CVE-2020-25704
Advisory lineage Upstream: 0 Downstream: 33
Modified
Published: 02 Dec 2020, 00:00
Last modified:04 Aug 2024, 15:40
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.03% LOW
0% probability -0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
02 Dec 2020, 00:00
Published
Vulnerability first disclosed
04 Aug 2024, 15:40
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.03%• Percentile: 7%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- debian•debian_linux
9.0
- linux•linux_kernel
≤ 5.9 | 5.10:rc1 | 5.10:rc2
- starwindsoftware•command_center
na
- starwindsoftware•starwind_hyperconverged_appliance
na
- starwindsoftware•starwind_san_\&_nas
v8r12
- starwindsoftware•starwind_virtual_san
v8:build14398
References (6)
- https://bugzilla.redhat.com/show_bug.cgi?id=1895961
- https://www.openwall.com/lists/oss-security/2020/11/09/1
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
- https://www.starwindsoftware.com/security/sw-20220802-0003/