#VU100618 Out-of-bounds read in Linux kernel - CVE-2024-50268

Vulnerability identifier: #VU100618

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-2024-50268

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 ucsi_ccg_update_set_new_cam_cmd() function in drivers/usb/typec/ucsi/ucsi_ccg.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/d76923164705821aa1b01b8d9d1741f20c654ab4
https://git.kernel.org/stable/c/8f47984b35f3be0cfc652c2ca358d5768ea3456b
https://git.kernel.org/stable/c/604314ecd682913925980dc955caea2d036eab5f
https://git.kernel.org/stable/c/69e19774f15e12dda6c6c58001d059e30895009b
https://git.kernel.org/stable/c/3a2ba841659a0f15102585120dea75d8d5209616
https://git.kernel.org/stable/c/7dd08a0b4193087976db6b3ee7807de7e8316f96

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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.