Out-of-bounds Write Affecting kernel-rt-kvm package, versions <0:4.18.0-348.23.1.rt7.153.el8_5
Threat Intelligence
EPSS
0.04% (14th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTKVM-2411559
- published 23 Feb 2022
- disclosed 22 Feb 2022
Introduced: 22 Feb 2022
CVE-2022-25636 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-kvm to version 0:4.18.0-348.23.1.rt7.153.el8_5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-kvm package and not the kernel-rt-kvm package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.
References
- https://access.redhat.com/security/cve/CVE-2022-25636
- https://access.redhat.com/errata/RHSA-2022:1555
- http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html
- http://www.openwall.com/lists/oss-security/2022/02/22/1
- https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git/commit/?id=b1a5983f56e371046dcf164f90bfaf704d2b89f6
- https://github.com/Bonfee/CVE-2022-25636
- https://nickgregory.me/linux/security/2022/03/12/cve-2022-25636/
- https://security.netapp.com/advisory/ntap-20220325-0002/
- https://www.debian.org/security/2022/dsa-5095
- https://www.openwall.com/lists/oss-security/2022/02/21/2
- https://www.oracle.com/security-alerts/cpujul2022.html
CVSS Scores
version 3.1