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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1895961	Issue Tracking Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/09/1	Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00	Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	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::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2020-12-02 01:15

Updated : 2022-01-01 18:12

NVD link : CVE-2020-25704

Mitre link : CVE-2020-25704

JSON object : View

Products Affected

linux

linux_kernel

debian

debian_linux

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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