Buffer overflow in Linux kernel - CVE-2022-3077
Published: January 23, 2023
Vulnerability identifier: #VU71453
CSH Severity: Low
CVSS v4.0: 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-2022-3077
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handles the I2C_SMBUS_BLOCK_PROC_CALL case. A local user can pass specially crafted data via the ioctl I2C_SMBUS call, trigger memory corruption and crash the kernel.
How to mitigate CVE-2022-3077
Install updates from vendor's website.