#VU94983 Improper locking in Linux kernel - CVE-2024-42153

Vulnerability identifier: #VU94983

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-2024-42153

CWE-ID: CWE-667

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 locking within the wait_reset(), i2c_pnx_master_xmit(), i2c_pnx_master_rcv(), i2c_pnx_interrupt(), i2c_pnx_timeout(), i2c_pnx_xfer() and i2c_pnx_probe() functions in drivers/i2c/busses/i2c-pnx.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/a349e5ab4dc9954746e836cd10b407ce48f9b2f6
https://git.kernel.org/stable/c/effe0500afda017a86c94482b1e36bc37586c9af
https://git.kernel.org/stable/c/2849a1b747cf37aa5b684527104d3a53f1e296d2
https://git.kernel.org/stable/c/3503372d0bf7b324ec0bd6b90606703991426176
https://git.kernel.org/stable/c/3d32327f5cfc087ee3922a3bcdcc29880dcdb50f
https://git.kernel.org/stable/c/92e494a7568b60ae80d57fc0deafcaf3a4029ab3
https://git.kernel.org/stable/c/27cd3873fa76ebeb9f948baae40cb9a6d8692289
https://git.kernel.org/stable/c/f63b94be6942ba82c55343e196bd09b53227618e

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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.