Improper resource shutdown or release in Linux kernel - CVE-2026-46178
Published: May 29, 2026
Vulnerability identifier: #VU133014
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-46178
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in mlx4_ib_create_srq() when handling error conditions during SRQ creation. A local user can trigger an error during SRQ creation to cause a denial of service.
How to mitigate CVE-2026-46178
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0dbd619716fb07b7de1acd64fec673ee6e1adde7
- https://git.kernel.org/stable/c/388617f44d81604a760742a0b5de292d411e63e3
- https://git.kernel.org/stable/c/c54c7e4cb679c0aaa1cb489b9c3f2cd98e63a44c
- https://git.kernel.org/stable/c/c5dc30da990045105c9762248d23076223e7878a
- https://git.kernel.org/stable/c/e01b8c9286c470b71a38acd320106f2c4f2826a1