CVE-2025-39947 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.0%
top 96.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 4
Latest updateApr 9
Description
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: Harden uplink netdev access against device unbind
The function mlx5_uplink_netdev_get() gets the uplink netdevice
pointer from mdev->mlx5e_res.uplink_netdev. However, the netdevice can
be removed and its pointer cleared when unbound from the mlx5_core.eth
driver. This results in a NULL pointer, causing a kernel panic.
BUG: unable to handle page fault for address: 0000000000001300
at RIP: 0010:mlx5e_vport_rep_load+0…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6