CVE-2022-48981 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/shmem-helper: Remove errant put in error path

drm_gem_shmem_mmap() doesn’t own this reference resulting in the GEM object getting prematurely freed leading to a later use-after-free.

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/585a07b820059462e0c93b76c7de2cd946b26b40 https://git.kernel.org/stable/c/6a4da05acd062ae7774b6b19cef2b7d922902d36 https://git.kernel.org/stable/c/83e3da8bb92fcfa7a1d232cf55f9e6c49bb84942 https://git.kernel.org/stable/c/586847b98e20ab02212ca5c1fc46680384e68a28 https://git.kernel.org/stable/c/24013314be6ee4ee456114a671e9fa3461323de8

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