CVE-2022-49025 Information

Description

In the Linux kernel the following vulnerability has been resolved:

net/mlx5e: Fix use-after-free when reverting termination table

When having multiple dests with termination tables and second one or afterwards fails the driver reverts usage of term tables but doesn’t reset the assignment in attr->dests[num_vport_dests].termtbl which case a use-after-free when releasing the rule. Fix by resetting the assignment of termtbl to null.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://git.kernel.org/stable/c/0a2d73a77060c3cbdc6e801cd5d979d674cd404b https://git.kernel.org/stable/c/0d2f9d95d9fbe993f3c4bafb87d59897b0325aff https://git.kernel.org/stable/c/372eb550faa0757349040fd43f59483cbfdb2c0b https://git.kernel.org/stable/c/e6d2d26a49c3a9cd46b232975e45236304810904 https://git.kernel.org/stable/c/52c795af04441d76f565c4634f893e5b553df2ae

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8