CVE-2025-21975
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: handle errors in mlx5_chains_create_table() In mlx5_chains_create_table(), the return value of mlx5_get_fdb_sub_ns() and mlx5_get_flow_namespace() must be checked to prevent NULL pointer dereferences. If either function fails, the function should log error message with mlx5_core_warn() and return error pointer.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/093b4aaec97ec048623e3fe1e516fc45a954d412 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/093b4aaec97ec048623e3fe1e516fc45a954d412Patch
- https://git.kernel.org/stable/c/1598307c914ba3d2642a2b03d1ff11efbdb7c6c2Patch
- https://git.kernel.org/stable/c/15bdd93728369b2c8942a8e5d549d4b5dc04a2d9Patch
- https://git.kernel.org/stable/c/1d34296409a519b4027750e3e82d9e19553a7398Patch
- https://git.kernel.org/stable/c/29c419c64e9b396baeda1d8713d2aa3ba7c0acf6Patch
- https://git.kernel.org/stable/c/637105ef0d46fe5beac15aceb431da3ec832bb00Patch
- https://git.kernel.org/stable/c/eab0396353be1c778eba1c0b5180176f04dd21cePatch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html