cve-2024-42134
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2024-12-19 09:13
Severity ?
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5e2024b0b9b3d5709e3f7e9b92951d7e29154106Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c8fae27d141a32a1624d0d0d5419d94252824498Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5e2024b0b9b3d5709e3f7e9b92951d7e29154106Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c8fae27d141a32a1624d0d0d5419d94252824498Patch
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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