SB20240531249 - Out-of-bounds read in Linux kernel scsi driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531249
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) Out-of-bounds read (CVE-ID: CVE-2021-47191)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the resp_readcap16() function in drivers/scsi/scsi_debug.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/3e20cb072679bdb47747ccc8bee3233a4cf0765a
- https://git.kernel.org/stable/c/5b8bed6464ad6653586e30df046185fd816ad999
- https://git.kernel.org/stable/c/4e3ace0051e7e504b55d239daab8789dd89b863c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16