#VU90181 Use-after-free in Linux kernel


Published: 2024-05-31

Vulnerability identifier: #VU90181

Vulnerability risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26939

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the active_to_vma() and i915_vma_pin_ww() functions in drivers/gpu/drm/i915/i915_vma.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:


External links
http://git.kernel.org/stable/c/704edc9252f4988ae1ad7dafa23d0db8d90d7190
http://git.kernel.org/stable/c/5e3eb862df9f972ab677fb19e0d4b9b1be8db7b5
http://git.kernel.org/stable/c/59b2626dd8c8a2e13f18054b3530e0c00073d79f
http://git.kernel.org/stable/c/0e45882ca829b26b915162e8e86dbb1095768e9e


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability