High severity7.8NVD Advisory· Published Sep 10, 2020· Updated Jun 17, 2026
CVE-2020-25220
CVE-2020-25220
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Linux/Linux kerneldescription
Patches
Vulnerability mechanics
References
9- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/nvdIssue TrackingPatchVendor Advisory
- www.spinics.net/lists/stable/msg405099.htmlnvdMailing ListPatchThird Party Advisory
- cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.194nvdRelease NotesVendor Advisory
- cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.140nvdRelease NotesVendor Advisory
- cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.233nvdRelease NotesVendor Advisory
- lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlnvdMailing ListThird Party Advisory
- security.netapp.com/advisory/ntap-20201001-0004/nvdThird Party Advisory
News mentions
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