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CVE-2020-25220 Detail

Description

The Linux kernel 4.9.x before 4.9.233, 4.14.x before 4.14.194, and 4.19.x before 4.19.140 has a use-after-free because skcd->no_refcnt was not considered during a backport of a CVE-2020-14356 patch. This is related to the cgroups feature.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1868453 Issue Tracking  Patch  Third Party Advisory 
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.194 Release Notes  Vendor Advisory 
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.140 Release Notes  Vendor Advisory 
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.233 Release Notes  Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.14.y&id=82fd2138a5ffd7e0d4320cdb669e115ee976a26e Issue Tracking  Patch  Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List  Third Party Advisory 
https://security.netapp.com/advisory/ntap-20201001-0004/ Third Party Advisory 
https://www.spinics.net/lists/stable/msg405099.html Mailing List  Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-25220
NVD Published Date:
09/09/2020
NVD Last Modified:
01/20/2021
Source:
MITRE