SB2024061099 - Memory leak in Linux kernel mediatek mt76 driver
Published: June 10, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061099
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-2021-47064)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mt76_dma_tx_queue_skb_raw() function in drivers/net/wireless/mediatek/mt76/dma.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/9fa26701cd1fc4d932d431971efc5746325bdfce
- https://git.kernel.org/stable/c/9b68ce2856dadc0e1cb6fd21fbeb850da49efd08
- https://git.kernel.org/stable/c/91b9548d413fda488ea853cd1b9f59b572db3a0c
- https://git.kernel.org/stable/c/b4403cee6400c5f679e9c4a82b91d61aa961eccf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13