NULL Pointer Dereference Affecting perf package, versions *
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Test your applications- Snyk ID SNYK-RHEL8-PERF-7598570
- published 5 Aug 2024
- disclosed 30 Jul 2024
Introduced: 30 Jul 2024
CVE-2024-42134 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:8 perf.
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:
virtio-pci: Check if is_avq is NULL
[bug] In the virtio_pci_common.c function vp_del_vqs, vp_dev->is_avq is involved to determine whether it is admin virtqueue, but this function vp_dev->is_avq may be empty. For installations, virtio_pci_legacy does not assign a value to vp_dev->is_avq.
[fix] Check whether it is vp_dev->is_avq before use.
[test] Test with virsh Attach device Before this patch, the following command would crash the guest system
After applying the patch, everything seems to be working fine.