Privilege escalation in Linux kernel bpf



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-52452
CWE-ID CWE-665
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Initialization

EUVDB-ID: #VU87743

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52452

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

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

The vulnerability exists due to improper initialization in bpf. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: before 6.6.14

CPE2.3 External links

https://git.kernel.org/stable/c/0954982db8283016bf38e9db2da5adf47a102e19
https://git.kernel.org/stable/c/fbcf372c8eda2290470268e0afb5ab5d5f5d5fde
https://git.kernel.org/stable/c/6b4a64bafd107e521c01eec3453ce94a3fb38529


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.



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