SB2023041922 - Local denial of service in Liux kernel USB driver
Published: April 19, 2023
Security Bulletin ID
SB2023041922
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2022-45887)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition in drivers/media/usb/ttusb-dec/ttusb_dec.c in Linux kernel. A local user can exploit the race and crash the kernel.
Remediation
Install update from vendor's website.