#VU97522 NULL pointer dereference in Linux kernel - CVE-2024-46765

Vulnerability identifier: #VU97522

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-2024-46765

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 ice_xsk_pool_setup() function in drivers/net/ethernet/intel/ice/ice_xsk.c, within the ice_clear_hw_tbls(), ice_xdp_setup_prog() and ice_xdp() functions in drivers/net/ethernet/intel/ice/ice_main.c, within the ice_vsi_free(), ice_vsi_alloc() and ice_vsi_rebuild() functions in drivers/net/ethernet/intel/ice/ice_lib.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
https://git.kernel.org/stable/c/2f057db2fb29bc209c103050647562e60554d3d3
https://git.kernel.org/stable/c/391f7dae3d836891fc6cfbde38add2d0e10c6b7f
https://git.kernel.org/stable/c/2504b8405768a57a71e660dbfd5abd59f679a03f

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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.