#VU96207 Input validation error in Linux kernel - CVE-2024-42291

Vulnerability identifier: #VU96207

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-2024-42291

CWE-ID: CWE-20

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 improper input validation within the ice_vc_fdir_reset_cnt_all(), ice_vc_add_fdir_fltr_post(), ice_vc_del_fdir_fltr_post() and ice_vc_add_fdir_fltr() functions in drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c, within the ice_parse_rx_flow_user_data() function in drivers/net/ethernet/intel/ice/ice_ethtool_fdir.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/8e02cd98a6e24389d476e28436d41e620ed8e559
https://git.kernel.org/stable/c/d62389073a5b937413e2d1bc1da06ccff5103c0c
https://git.kernel.org/stable/c/292081c4e7f575a79017d5cbe1a0ec042783976f
https://git.kernel.org/stable/c/6ebbe97a488179f5dc85f2f1e0c89b486e99ee97

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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.