CVE-2022-48932
Description
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: DR, Fix slab-out-of-bounds in mlx5_cmd_dr_create_fte When adding a rule with 32 destinations, we hit the following out-of-band access issue: BUG: KASAN: slab-out-of-bounds in mlx5_cmd_dr_create_fte+0x18ee/0x1e70 This patch fixes the issue by both increasing the allocated buffers to accommodate for the needed actions and by checking the number of actions to prevent this issue when a rule with too many actions is provided.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2022-48932
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2022-48932.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 5.16.12-1 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 5.16.12-1 |
| debian | sid | fixed | 5.16.12-1 |
| debian | trixie | fixed | 5.16.12-1 |
References
Verify integrity in audit chain (admin only). AS-IS.