#VU90416 NULL pointer dereference in Linux kernel - CVE-2023-52780

Vulnerability identifier: #VU90416

Vulnerability 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-2023-52780

CWE-ID: CWE-476

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 perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the mvneta_ethtool_get_strings(), mvneta_ethtool_pp_stats() and mvneta_ethtool_get_stats() functions in drivers/net/ethernet/marvell/mvneta.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

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External links
http://git.kernel.org/stable/c/00768b3e90e648227eaa959d9d279f5e32823df1
http://git.kernel.org/stable/c/230dc06e2495487d88b3410da055bb618febb19b
http://git.kernel.org/stable/c/2b0e99072654edd601d05c0061a20337af5008ba
http://git.kernel.org/stable/c/ca8add922f9c7f6e2e3c71039da8e0dcc64b87ed

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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.