Out-of-bounds read in Linux kernel xdp

1) Out-of-bounds read

EUVDB-ID: #VU90305

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-2024-35976

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 xsk_setsockopt() function in net/xdp/xsk.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.19 - 6.8.6

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:4.19:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.6:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.7:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.8:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.9:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417
https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922
https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa
https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c
https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6
https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.317
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.216
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.156
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.278
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.87
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.28
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.7

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.