SB2024061091 - Memory leak in Linux kernel net dsa driver
Published: June 10, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061091
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-2021-47160)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mt7530_port_set_vlan_aware() function in drivers/net/dsa/mt7530.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/ae389812733b1b1e8e07fcc238e41db166b5c78d
- https://git.kernel.org/stable/c/4fe4e1f48ba119bdbc7c897c83b04ba0d08f5488
- https://git.kernel.org/stable/c/b91117b66fe875723a4e79ec6263526fffdb44d2
- https://git.kernel.org/stable/c/82ae35b6c14feae5f216913d5b433e143c756d4e
- https://git.kernel.org/stable/c/474a2ddaa192777522a7499784f1d60691cd831a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.193
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.124