SB2024110749 - Use-after-free in Linux kernel ipv4
Published: November 7, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024110749
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-2024-50154)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the reqsk_queue_unlink() and reqsk_timer_handler() functions in net/ipv4/inet_connection_sock.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/8459d61fbf24967839a70235165673148c7c7f17
- https://git.kernel.org/stable/c/5071beb59ee416e8ab456ac8647a4dabcda823b1
- https://git.kernel.org/stable/c/997ae8da14f1639ce6fb66a063dab54031cd61b3
- https://git.kernel.org/stable/c/51e34db64f4e43c7b055ccf881b7f3e0c31bb26d
- https://git.kernel.org/stable/c/e8c526f2bdf1845bedaf6a478816a3d06fa78b8f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.237
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.170
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.293
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.115
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.59