SB2024053185 - Use-after-free in Linux kernel net driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053185
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-2024-27396)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the gtp_dellink() function in drivers/net/gtp.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/07b20d0a3dc13fb1adff10b60021a4924498da58
- https://git.kernel.org/stable/c/718df1bc226c383dd803397d7f5d95557eb81ac7
- https://git.kernel.org/stable/c/0caff3e6390f840666b8dc1ecebf985c2ef3f1dd
- https://git.kernel.org/stable/c/2e74b3fd6bf542349758f283676dff3660327c07
- https://git.kernel.org/stable/c/25a1c2d4b1fcf938356a9688a96a6456abd44b29
- https://git.kernel.org/stable/c/2aacd4de45477582993f8a8abb9505a06426bfb6
- https://git.kernel.org/stable/c/cd957d1716ec979d8f5bf38fc659aeb9fdaa2474
- https://git.kernel.org/stable/c/f2a904107ee2b647bb7794a1a82b67740d7c8a64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.313
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.216
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.158
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.275
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.90
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.30