Buffer overflow in Linux kernel ethernet realtek driver

1) Buffer overflow

EUVDB-ID: #VU93134

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-38586

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to memory corruption within the rtl8169_doorbell() and rtl8169_start_xmit() functions in drivers/net/ethernet/realtek/r8169_main.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

CPE2.3

External links

http://git.kernel.org/stable/c/b6d21cf40de103d63ae78551098a7c06af8c98dd
http://git.kernel.org/stable/c/0c48185a95309556725f818b82120bb74e9c627d
http://git.kernel.org/stable/c/68222d7b4b72aa321135cd453dac37f00ec41fd1
http://git.kernel.org/stable/c/078d5b7500d70af2de6b38e226b03f0b932026a6
http://git.kernel.org/stable/c/54e7a0d111240c92c0f02ceba6eb8f26bf6d6479
http://git.kernel.org/stable/c/c71e3a5cffd5309d7f84444df03d5b72600cc417

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.