# CVE-2024-53092: linux: In the Linux kernel, the following vulnerability has been resolved:  virtio_pci: Fix admin vq cleanup by using correc...

CVE-2024-53092 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-53092, released November 21, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-53092
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 21, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  virtio_pci: Fix admin vq cleanup by using correct info pointer  vp_modern_avq_cleanup() and vp_del_vqs() clean up admin vq resources by virtio_pci_vq_info pointer. The info pointer of admin vq is stored in vp_dev->admin_vq.info instead of vp_dev->vqs[]. Using the info pointer from vp_dev->vqs[] for admin vq causes a kernel NULL pointer dereference bug. In vp_modern_avq_cleanup() and vp_del_vqs(), get the info pointer from vp_dev->admin_vq.info for admin vq to clean up the resources. Also make info ptr as argument of vp_del_vq() to be symmetric with vp_setup_vq().  vp_reset calls vp_modern_avq_cleanup, and causes the Call Trace: ================================================================== BUG: kernel NULL pointer dereference, address:0000000000000000 ... CPU: 49 UID: 0 PID: 4439 Comm: modprobe Not tainted 6.11.0-rc5 #1 RIP: 0010:vp_reset+0x57/0x90 [virtio_pci] Call Trace:  <TASK> ...  ? vp_reset+0x57/0x90 [virtio_pci]  ? vp_reset+0x38/0x90 [virtio_pci]  virtio_reset_device+0x1d/0x30  remove_vq_common+0x1c/0x1a0 [virtio_net]  virtnet_remove+0xa1/0xc0 [virtio_net]  virtio_dev_remove+0x46/0xa0 ...  virtio_pci_driver_exit+0x14/0x810 [virtio_pci] ==================================================================

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.11.9-1 | [DEBIAN-CVE-2024-53092](https://patchblox.com/security/data/fix/linux/debian-cve-2024-53092.md) | Nov 21, 2024 |
| Linux | linux Debian 14 | 6.11.9-1 | [DEBIAN-CVE-2024-53092](https://patchblox.com/security/data/fix/linux/debian-cve-2024-53092.md) | Nov 21, 2024 |

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