SB20260529144 - Improper resource shutdown or release in Linux kernel hw mana driver
Published: May 29, 2026
Security Bulletin ID
SB20260529144
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2026-46144)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in mana_ib_create_qp_rss() when handling queue pair creation errors. A local user can trigger an error during queue pair creation to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/190e570cc0fc7f57eacf80d2b854ba54b4dfad6b
- https://git.kernel.org/stable/c/30e8a2f33815d8f51b8f8b829c07af16c671cc27
- https://git.kernel.org/stable/c/6aaa978c6b6218cfac15fe1dab17c76fe229ce3f
- https://git.kernel.org/stable/c/726af85ea4af750b2f75095e24e3cd99797344cb
- https://git.kernel.org/stable/c/ab64c63b460bbd0521480bf90d5695783f5e66bc