#VU93501 Buffer overflow in Linux kernel - CVE-2023-52828

Vulnerability identifier: #VU93501

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52828

CWE-ID: CWE-119

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 perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the bpf_tree_comp() function in kernel/bpf/core.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/6058e4829696412457729a00734969acc6fd1d18
https://git.kernel.org/stable/c/cf353904a82873e952633fcac4385c2fcd3a46e1
https://git.kernel.org/stable/c/aa42a7cb92647786719fe9608685da345883878f
https://git.kernel.org/stable/c/327b92e8cb527ae097961ffd1610c720481947f5
https://git.kernel.org/stable/c/821a7e4143af115b840ec199eb179537e18af922
https://git.kernel.org/stable/c/66d9111f3517f85ef2af0337ece02683ce0faf21

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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.