Out-of-bounds Read Affecting perf package, versions <0:4.18.0-553.el8_10
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Test your applications- Snyk ID SNYK-RHEL8-PERF-5951710
- published 9 Oct 2023
- disclosed 30 Aug 2023
Introduced: 30 Aug 2023
CVE-2023-39189 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-553.el8_10 or higher.
This issue was patched in RHSA-2024:3138.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.