Vulnerability Monitor

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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.

Published

2020-12-02T01:15:12.670

Last Modified

2024-11-21T05:18:31.603

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-401
Type: Secondary
CWE-401

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 5.9	Yes
Operating System	linux	linux_kernel	5.10	Yes
Operating System	linux	linux_kernel	5.10	Yes
Operating System	debian	debian_linux	9.0	Yes
Application	starwindsoftware	command_center	-	Yes
Application	starwindsoftware	starwind_hyperconverged_appliance	-	Yes
Application	starwindsoftware	starwind_san_\&_nas	v8r12	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=1895961 Issue Tracking, Third Party Advisory ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00 Patch, Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List, Third Party Advisory ([email protected])
https://www.openwall.com/lists/oss-security/2020/11/09/1 Mailing List ([email protected])
https://www.starwindsoftware.com/security/sw-20220802-0003/ Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1895961 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2020/11/09/1 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
https://www.starwindsoftware.com/security/sw-20220802-0003/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)