Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2020-25704
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.10:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.10:rc2:*:*:*:*:*:*
- cpe:2.3:a:starwindsoftware:command_center:-:*:*:*:*:*:*:*
- cpe:2.3:a:starwindsoftware:starwind_san_\&_nas:v8r12:*:*:*:*:*:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build14398:*:*:*:*:*:*
- cpe:2.3:a:starwindsoftware:starwind_hyperconverged_appliance:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-25704
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-25704
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-25704
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
References for CVE-2020-25704
-
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
[SECURITY] [DLA 2494-1] linux security updateMailing List;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1895961
1895961 – (CVE-2020-25704) CVE-2020-25704 kernel: perf_event_parse_addr_filter memoryIssue Tracking;Third Party Advisory
-
https://www.starwindsoftware.com/security/sw-20220802-0003/
CVE-2020-25704 Linux kernel vulnerability in StarWind productsThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
[SECURITY] [DLA 2483-1] linux-4.19 security updateMailing List;Third Party Advisory
-
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
https://www.openwall.com/lists/oss-security/2020/11/09/1
oss-security - [CVE-2020-25704] Linux kernel: perf_event_parse_addr_filter memory leakMailing List
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