SB2024081947 - Use-after-free in Linux kernel iucv
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081947
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-2024-42271)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the iucv_sever_path() function in net/iucv/af_iucv.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/8b424c9e44111c5a76f41c6b741f8d4c4179d876
- https://git.kernel.org/stable/c/01437282fd3904810603f3dc98d2cac6b8b6fc84
- https://git.kernel.org/stable/c/69620522c48ce8215e5eb55ffbab8cafee8f407d
- https://git.kernel.org/stable/c/f558120cd709682b739207b48cf7479fd9568431
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.320
- 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/v5.x/ChangeLog-5.4.282
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.104
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.45