SB2024060367 - Improper locking in Linux kernel ethernet realtek driver
Published: June 3, 2024
Security Bulletin ID
SB2024060367
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper locking (CVE-ID: CVE-2024-27021)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: 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
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to improper locking within the rtl_remove_one() and rtl_init_one() functions in drivers/net/ethernet/realtek/r8169_main.c, within the rtl8168_setup_ldev() function in drivers/net/ethernet/realtek/r8169_leds.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.