#VU90363 Out-of-bounds read in Linux kernel - CVE-2024-26588

Vulnerability identifier: #VU90363

Vulnerability 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-2024-26588

CWE-ID: CWE-125

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 execute arbitrary code.

The vulnerability exists due to an out-of-bounds read error within the build_insn() function in arch/loongarch/net/bpf_jit.c. A local user can execute arbitrary code.

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/4631c2dd69d928bca396f9f58baeddf85e14ced5
https://git.kernel.org/stable/c/9aeb09f4d85a87bac46c010d75a2ea299d462f28
https://git.kernel.org/stable/c/7924ade13a49c0067da6ea13e398102979c0654a
https://git.kernel.org/stable/c/36a87385e31c9343af9a4756598e704741250a67

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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.