#VU87740 Use-after-free in Linux kernel


Published: 2024-03-22

Vulnerability identifier: #VU87740

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52447

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

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

Vendor:

Description

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

The vulnerability exists due to a use-after-free error in bpf. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://git.kernel.org/stable/c/62fca83303d608ad4fec3f7428c8685680bb01b0
http://git.kernel.org/stable/c/f91cd728b10c51f6d4a39957ccd56d1e802fc8ee
http://git.kernel.org/stable/c/bfd9b20c4862f41d4590fde11d70a5eeae53dcc5
http://git.kernel.org/stable/c/876673364161da50eed6b472d746ef88242b2368


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