#VU97520 NULL pointer dereference in Linux kernel - CVE-2024-46770

Vulnerability identifier: #VU97520

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-2024-46770

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_prepare_for_reset(), ice_update_pf_netdev_link() and ice_rebuild() functions in drivers/net/ethernet/intel/ice/ice_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

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External links
https://git.kernel.org/stable/c/9e3ffb839249eca113062587659224f856fe14e5
https://git.kernel.org/stable/c/efe8effe138044a4747d1112ebb8c454d1663723
https://git.kernel.org/stable/c/36486c9e8e01b84faaee47203eac0b7e9cc7fa4a
https://git.kernel.org/stable/c/d11a67634227f9f9da51938af085fb41a733848f

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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.