SB2024081945 - Use-after-free in Linux kernel core
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081945
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-2024-43834)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the xdp_unreg_mem_model() function in net/core/xdp.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/3fc1be360b99baeea15cdee3cf94252cd3a72d26
- https://git.kernel.org/stable/c/bf0ce5aa5f2525ed1b921ba36de96e458e77f482
- https://git.kernel.org/stable/c/12144069209eec7f2090ce9afa15acdcc2c2a537
- https://git.kernel.org/stable/c/59a931c5b732ca5fc2ca727f5a72aeabaafa85ec
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.224
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44