#VU97791 Out-of-bounds read in Linux kernel - CVE-2024-46859

Vulnerability identifier: #VU97791

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-2024-46859

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 DEVICE_ATTR_RW(), acpi_pcc_hotkey_resume() and acpi_pcc_hotkey_add() functions in drivers/platform/x86/panasonic-laptop.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/9291fadbd2720a869b1d2fcf82305648e2e62a16
https://git.kernel.org/stable/c/6821a82616f60aa72c5909b3e252ad97fb9f7e2a
https://git.kernel.org/stable/c/b38c19783286a71693c2194ed1b36665168c09c4
https://git.kernel.org/stable/c/f52e98d16e9bd7dd2b3aef8e38db5cbc9899d6a4

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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.