#VU99155 Buffer overflow in Linux kernel - CVE-2024-50042

Vulnerability identifier: #VU99155

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-2024-50042

CWE-ID: CWE-119

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 memory corruption within the ice_vf_pre_vsi_rebuild() function in drivers/net/ethernet/intel/ice/ice_vf_lib.c, within the ice_sriov_set_msix_vec_count() function in drivers/net/ethernet/intel/ice/ice_sriov.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/cbda6197929418fabf0e45ecf9b7a76360944c70
https://git.kernel.org/stable/c/bce9af1b030bf59d51bbabf909a3ef164787e44e

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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.