SB20250502282 - Resource management error in Linux kernel isdn mISDN driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502282
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2022-49818)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the mISDN_register_device() function in drivers/isdn/mISDN/core.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2d25107e111a85c56f601a5470f1780ec054e6ac
- https://git.kernel.org/stable/c/44658d65f6b3118f595a1229d7eed74845a5e2ac
- https://git.kernel.org/stable/c/596230471da3415e92ae6b9d2a4e26f4a81cac5a
- https://git.kernel.org/stable/c/709aa1f73d3e9e9ea16e2c4e44f2874c5d2c382c
- https://git.kernel.org/stable/c/81db4f182744acd004f17d7cc52dde9ea53467e6
- https://git.kernel.org/stable/c/83672c1b83d107b0d4fe0accf1bf64d8988398e6
- https://git.kernel.org/stable/c/87b336aa158201dc30a318431e63e8c5b26c4156
- https://git.kernel.org/stable/c/d40b35a7922f4df3767ad6fb8ef3dc86e31d7ba3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.267