NULL Pointer Dereference Affecting bpftool package, versions <0:4.18.0-425.3.1.el8
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-BPFTOOL-2444356
- published 8 Apr 2022
- disclosed 7 Apr 2022
Introduced: 7 Apr 2022
CVE-2022-1263 Open this link in a new tabHow to fix?
Upgrade Centos:8 bpftool to version 0:4.18.0-425.3.1.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.
CVSS Scores
version 3.1