SB2025050253 - Memory leak in Linux kernel isdn mISDN driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050253
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) Memory leak (CVE-ID: CVE-2022-49915)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak 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/029d5b7688a2f3a86f2a3be5a6ba9cc968c80e41
- https://git.kernel.org/stable/c/080aabfb29b2ee9cbb8894a1d039651943d3773e
- https://git.kernel.org/stable/c/0d4e91efcaee081e919b3c50e875ecbb84290e41
- https://git.kernel.org/stable/c/2ff6b669523d3b3d253a044fa9636a67d0694995
- https://git.kernel.org/stable/c/a636fc5a7cabd05699b5692ad838c2c7a3abec7b
- https://git.kernel.org/stable/c/d1d1aede313eb2b9a84afd60ff6cfb7c33631e0e
- https://git.kernel.org/stable/c/e77d213843e67b4373285712699b692f9c743f61
- https://git.kernel.org/stable/c/e7d1d4d9ac0dfa40be4c2c8abd0731659869b297
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.299
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.265
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.333
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.154
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.224
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1