SB20260816429 - Heap-based buffer overflow in Linux kernel md driver
Published: August 16, 2026
Security Bulletin ID
SB20260816429
CSH 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 vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2026-72106)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a heap-based buffer overflow in list_version_get_info in dm-ioctl when processing ioctl requests. A local user can send a specially crafted ioctl request to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/29536a9ff146d9bbd618959857ed2e691cda1d21
- https://git.kernel.org/stable/c/76c6f845dc0c614304a6e6ee619b552f97cf24b3
- https://git.kernel.org/stable/c/d61c12573ed9768690fdcb2bc38846a1bcb01358
- https://git.kernel.org/stable/c/df50c24c6447c18886ed126d3d81cc7e155ea8b6
- https://git.kernel.org/stable/c/e0f5842c4e2a7dbefb52a2dc6711789bc6963e55