#VU92313 Use-after-free in Linux kernel


Published: 2024-06-20

Vulnerability identifier: #VU92313

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-2024-38610

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 acrn_vm_memseg_unmap() and acrn_vm_ram_map() functions in drivers/virt/acrn/mm.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/5c6705aa47b5b78d7ad36fea832bb69caa5bf49a
http://git.kernel.org/stable/c/afeb0e69627695f759fc73c39c1640dbf8649b32
http://git.kernel.org/stable/c/e873f36ec890bece26ecce850e969917bceebbb6
http://git.kernel.org/stable/c/4c4ba3cf3a15ccfbaf787d0296fa42cdb00da9b4
http://git.kernel.org/stable/c/2c8d6e24930b8ef7d4a81787627c559ae0e0d3bb
http://git.kernel.org/stable/c/3d6586008f7b638f91f3332602592caa8b00b559


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