SB20240530124 - Memory leak in Linux kernel hw qib driver
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530124
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-2021-47104)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the qib_user_sdma_queue_pkts() function in drivers/infiniband/hw/qib/qib_user_sdma.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/1ced0a3015a95c6a6db45e37250912c4c86697ab
- https://git.kernel.org/stable/c/76b648063eb36c72dfc0a6896de8a0a7d2c7841c
- https://git.kernel.org/stable/c/d53456492b5d02033c73dfa0f3b94c86337791ba
- https://git.kernel.org/stable/c/0aaec9c5f60754b56f84460ea439b8c5e91f4caa
- https://git.kernel.org/stable/c/79dcbd8176152b860028b62f81a635d987365752
- https://git.kernel.org/stable/c/7cf6466e00a77b0a914b7b2c28a1fc7947d55e59
- https://git.kernel.org/stable/c/aefcc25f3a0cd28a87d11d41d30419a12cd26a34
- https://git.kernel.org/stable/c/bee90911e0138c76ee67458ac0d58b38a3190f65
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.260
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.223
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.297
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.295
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.89
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.169