SB2024053064 - Memory leak in Linux kernel nfs
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053064
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-2021-47320)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nfs3_proc_create() and nfs3_proc_mknod() functions in fs/nfs/nfs3proc.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/2e3960f276b4574a9bb0dfa31a7497302f6363b2
- https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b
- https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883
- https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529
- https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357
- https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4
- https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38
- https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2
- https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262
- 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-5.10.52
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.134