CVE-2024-53092
virtio_pci: Fix admin vq cleanup by using correct info pointer
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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]
==================================================================
CVSS Scores
SSVC
- Decision:-
Timeline
- 2024-11-19 CVE Reserved
- 2024-11-21 CVE Published
- 2024-11-21 CVE Updated
- 2024-11-22 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (3)
URL | Tag | Source |
---|---|---|
https://git.kernel.org/stable/c/4c3b54af907e709609d3d8beca92d65e2f0cfd83 | Vuln. Introduced |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://git.kernel.org/stable/c/018d3d4ad4be7fbc95d8a2367642a32d21df55c7 | 2024-11-17 | |
https://git.kernel.org/stable/c/97ee04feb682c906a1fa973ebe586fe91567d165 | 2024-11-06 |
URL | Date | SRC |
---|
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.11 < 6.11.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.11 < 6.11.9" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.11 < 6.12 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.11 < 6.12" | en |
Affected
|