SB2024053068 - Memory leak in Linux kernel core driver
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053068
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-2021-47345)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the cma_resolve_ib_route() function in drivers/infiniband/core/cma.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/40b613db3a95bc27998e4097d74c2f7e5d083a0b
- https://git.kernel.org/stable/c/e2da8ce2a9543f3ca5c93369bd1fe6eeb572101a
- https://git.kernel.org/stable/c/e4e062da082a199357ba4911145f331d40139ad8
- https://git.kernel.org/stable/c/4893c938f2a140a74be91779e45e4a7fa111198f
- https://git.kernel.org/stable/c/032c68b4f5be128a2167f35b558b7cec88fe4972
- https://git.kernel.org/stable/c/3d08b5917984f737f32d5bee9737b9075c3895c6
- https://git.kernel.org/stable/c/f4f553d67236145fa5fd203ed7b35b9377e19939
- https://git.kernel.org/stable/c/07583ba2e2d8947c3d365d97608cb436510885ac
- https://git.kernel.org/stable/c/74f160ead74bfe5f2b38afb4fcf86189f9ff40c9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.240
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.198
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.276
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.276
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.51
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.133