SB20250226618 - Integer overflow in Linux kernel l2tp
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226618
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) Integer overflow (CVE-ID: CVE-2022-49727)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the l2tp_ip6_sendmsg() function in net/l2tp/l2tp_ip6.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/034246122f5c5e2e2a0b9fe04e24517920e9beb1
- https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e
- https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1
- https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000
- https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d
- https://git.kernel.org/stable/c/6c4e3486d21173d60925ef52e512cae727b43d30
- https://git.kernel.org/stable/c/b8879ca1fd7348b4d5db7db86dcb97f60c73d751
- https://git.kernel.org/stable/c/f638a84afef3dfe10554c51820c16e39a278c915
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.249
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.320
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.124
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.49
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.200