Use After Free Affecting perf package, versions <0:4.18.0-513.9.1.el8_9
Threat Intelligence
EPSS
0.05% (19th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-PERF-5801435
- published 20 Jul 2023
- disclosed 22 Oct 2022
How to fix?
Upgrade Centos:8 perf to version 0:4.18.0-513.9.1.el8_9 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.
CVSS Scores
version 3.1