Input validation error in Linux kernel octeontx2 nic driver

1) Input validation error

EUVDB-ID: #VU102275

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-2024-56707

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the otx2_dmacflt_do_add() and otx2_dmacflt_update() functions in drivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.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

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/1611b1ea7cf8d07dff091a45389b10401bb6d5b3
https://git.kernel.org/stable/c/20e06a5137a1174214bae3a29ce623e69455ee0f
https://git.kernel.org/stable/c/3ccbc7a518868eff1d5a198b9e454e182b651e00
https://git.kernel.org/stable/c/f5b942e6c54b13246ee49d42dcfb71b7f29e3c64
https://git.kernel.org/stable/c/fc595472fbad96533ccbb7b9ebb82b743ec26829

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.