Out-of-bounds read in Linux kernel bpf

1) Out-of-bounds read

EUVDB-ID: #VU97505

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-2024-46764

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the btf_name_valid_section() function in kernel/bpf/btf.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.10 - 6.10.9

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.10:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.6:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.7:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.8:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.9:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/c8ffe2d4d37a05ce18c71b87421443c16f8475e5
https://git.kernel.org/stable/c/bb6705c3f93bed2af03d43691743d4c43e3c8e6f
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11

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.