SB20240530160 - Use-after-free in Linux kernel ata driver
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530160
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) Use-after-free (CVE-ID: CVE-2021-47549)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the sata_fsl_init_controller() and sata_fsl_remove() functions in drivers/ata/sata_fsl.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/cdcd80292106df5cda325426e96495503e41f947
- https://git.kernel.org/stable/c/91ba94d3f7afca195b224f77a72044fbde1389ce
- https://git.kernel.org/stable/c/325ea49fc43cbc03a5e1e37de8f0ca6357ced4b1
- https://git.kernel.org/stable/c/0769449b0a5eabc3545337217ae690e46673e73a
- https://git.kernel.org/stable/c/77393806c76b6b44f1c44bd957788c8bd9152c45
- https://git.kernel.org/stable/c/4a46b2f5dce02539e88a300800812bd24a45e097
- https://git.kernel.org/stable/c/adf098e2a8a1e1fc075d6a5ba2edd13cf7189082
- https://git.kernel.org/stable/c/6c8ad7e8cf29eb55836e7a0215f967746ab2b504
- 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-4.4.294
- 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