SB2024061365 - Buffer overflow in Linux kernel hisilicon hns driver
Published: June 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061365
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-47548)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the hns_dsaf_ge_srst_by_port() function in drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/948968f8747650447c8f21c9fdba0e1973be040b
- https://git.kernel.org/stable/c/abbd5faa0748d0aa95d5191d56ff7a17a6275bd1
- https://git.kernel.org/stable/c/dd07f8971b81ad98cc754b179b331b57f35aa1ff
- https://git.kernel.org/stable/c/99bb25cb6753beaf2c2bc37927c2ecc0ceff3f6d
- https://git.kernel.org/stable/c/22519eff7df2d88adcc2568d86046ce1e2b52803
- https://git.kernel.org/stable/c/fc7ffa7f10b9454a86369405d9814bf141b30627
- https://git.kernel.org/stable/c/a66998e0fbf213d47d02813b9679426129d0d114
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.257
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.220
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.292
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.164