SB2024053129 - Use-after-free in Linux kernel intel igc driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053129
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 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2021-47302)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the igc_clean_tx_ring() function in drivers/net/ethernet/intel/igc/igc_main.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/a9508e0edfe369ac95d0825bcdca976436ce780f
- https://git.kernel.org/stable/c/e15f629036bac005fc758b4ad17896cf2312add4
- https://git.kernel.org/stable/c/ea5e36b7367ea0a36ef73a163768f16d2977bd83
- https://git.kernel.org/stable/c/56ea7ed103b46970e171eb1c95916f393d64eeff
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.136