Use After Free Affecting perf package, versions <0:4.18.0-372.75.1.el8_6
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Test your applications- Snyk ID SNYK-RHEL8-PERF-5957689
- published 31 Jan 2023
- disclosed 18 Oct 2022
Introduced: 18 Oct 2022
CVE-2023-0590 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-372.75.1.el8_6 or higher.
This issue was patched in RHSA-2023:5627.
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 use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race problem. This flaw leads to a denial of service issue. If patch ebda44da44f6 ("net: sched: fix race condition in qdisc_graft()") not applied yet, then kernel could be affected.