#VU102211 Integer underflow in Linux kernel - CVE-2024-53203
Vulnerability identifier: #VU102211
Vulnerability risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2024-53203
CWE-ID:
CWE-191
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 execute arbitrary code.
The vulnerability exists due to integer underflow within the ucsi_ccg_sync_control() function in drivers/usb/typec/ucsi/ucsi_ccg.c. A local user can execute arbitrary code.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 6.11, 6.11.1, 6.11.2, 6.11.3, 6.11.4, 6.11.5, 6.11.6, 6.11.7, 6.11.8, 6.11.9, 6.11.10
External links
https://git.kernel.org/stable/c/56971710cd541f2f05160a84b3183477d34a1be9
https://git.kernel.org/stable/c/e56aac6e5a25630645607b6856d4b2a17b2311a5
https://git.kernel.org/stable/c/ef92cd55289a282910575c5b9d87f646f2d39b38
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11
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.
