#VU93379 Race condition in Linux kernel - CVE-2022-48652

Vulnerability identifier: #VU93379

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-2022-48652

CWE-ID: CWE-362

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 race condition within the ice_set_dflt_vsi_ctx(), ice_vsi_setup_q_map(), ice_vsi_setup_q_map_mqprio() and ice_vsi_cfg_tc() 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: 5.19, 5.19 rc1, 5.19 rc4, 5.19 rc5, 5.19 rc6, 5.19.1, 5.19.2, 5.19.3, 5.19.4, 5.19.5, 5.19.6, 5.19.7, 5.19.8, 5.19.9, 5.19.10, 5.19.11, 6.0 rc1, 6.0 rc2, 6.0 rc3, 6.0 rc4

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External links
https://git.kernel.org/stable/c/7c945e5b4787db47d728120b56c934ba05f99864
https://git.kernel.org/stable/c/a509702cac95a8b450228a037c8542f57e538e5b
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0

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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.