NULL Pointer Dereference Affecting perf package, versions <0:4.18.0-372.9.1.el8
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Test your applications- Snyk ID SNYK-RHEL8-PERF-7923131
- published 6 Sep 2024
- disclosed 24 May 2024
Introduced: 24 May 2024
CVE-2021-47501 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RHSA-2022:1988.
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.
In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc
When trying to dump VFs VSI RX/TX descriptors using debugfs there was a crash due to NULL pointer dereference in i40e_dbg_dump_desc. Added a check to i40e_dbg_dump_desc that checks if VSI type is correct for dumping RX/TX descriptors.