#VU99445 Out-of-bounds read in Linux kernel - CVE-2024-50074

Vulnerability identifier: #VU99445

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-2024-50074

CWE-ID: CWE-125

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 an out-of-bounds read error within the do_active_device(), do_autoprobe(), do_hardware_base_addr(), do_hardware_irq(), do_hardware_dma() and do_hardware_modes() functions in drivers/parport/procfs.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/1826b6d69bbb7f9ae8711827facbb2ad7f8d0aaa
https://git.kernel.org/stable/c/440311903231c6e6c9bcf8acb6a2885a422e00bc
https://git.kernel.org/stable/c/fca048f222ce9dcbde5708ba2bf81d85a4a27952
https://git.kernel.org/stable/c/66029078fee00646e2e9dbb8f41ff7819f8e7569
https://git.kernel.org/stable/c/2a8b26a09c8e3ea03da1ef3cd0ef6b96e559fba6
https://git.kernel.org/stable/c/02ac3a9ef3a18b58d8f3ea2b6e46de657bf6c4f9

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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.