SB2023051116 - Denial of service in Linux kernel Qualcomm EMAC Gigabit Ethernet Controller
Published: May 11, 2023
Security Bulletin ID
SB2023051116
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical 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-2023-2483)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows an attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition in Qualcomm EMAC Gigabit Ethernet Controller. An attacker with physical access to system can remove the device before cleanup in the emac_remove() function is called, trigger a use-after-free error and crash the kernel.
Remediation
Install update from vendor's website.