#VU87369 NULL pointer dereference in Linux kernel


Published: 2024-03-12

Vulnerability identifier: #VU87369

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2024-26595

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 a NULL pointer dereference error within the spectrum_acl_tcam() function in drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c. A local user can pass specially crafted data to the driver and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel:


External links
http://git.kernel.org/stable/c/817840d125a370626895df269c50c923b79b0a39
http://git.kernel.org/stable/c/d0a1efe417c97a1e9b914056ee6b86f1ef75fe1f
http://git.kernel.org/stable/c/efeb7dfea8ee10cdec11b6b6ba4e405edbe75809


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.


Latest bulletins with this vulnerability