CVE-2020-25220

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Summary

CVECVE-2020-25220
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-09-10 02:15:00 UTC
Updated2021-01-20 14:25:00 UTC
DescriptionThe 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.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.233 MISC cdn.kernel.org Release Notes, Vendor Advisory
kernel/git/stable/linux.git - Linux kernel stable tree MISC git.kernel.org Issue Tracking, Patch, Vendor Advisory
[SECURITY] [DLA 2420-2] linux regression update MLIST lists.debian.org Mailing List, Third Party Advisory
[PATCH stable-4.9] cgroup: add missing skcd->no_refcnt check in cgroup_sk_alloc() — Linux Stable Kernel Updates MISC www.spinics.net Mailing List, Patch, Third Party Advisory
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.194 MISC cdn.kernel.org Release Notes, Vendor Advisory
CVE-2020-25220 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com Third Party Advisory
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.140 MISC cdn.kernel.org Release Notes, Vendor Advisory
[SECURITY] [DLA 2420-1] linux security update MLIST lists.debian.org Mailing List, Third Party Advisory
1868453 – (CVE-2020-14356) CVE-2020-14356 kernel: Use After Free vulnerability in cgroup BPF component MISC bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 670514 EulerOS Security Update for kernel (EulerOS-SA-2021-2272)
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