SB2024070175 - Resource management error in Linux kernel scsi driver
Published: July 1, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2021-47480)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the scsi_device_dev_release_usercontext() function in drivers/scsi/scsi_sysfs.c, within the EXPORT_SYMBOL() function in drivers/scsi/scsi.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/1105573d964f7b78734348466b01f5f6ba8a1813
- https://git.kernel.org/stable/c/8e4814a461787e15a31d322d9efbe0d4f6822428
- https://git.kernel.org/stable/c/61a0faa89f21861d1f8d059123b5c285a5d9ffee
- https://git.kernel.org/stable/c/c2df161f69fb1c67f63adbd193368b47f511edc0
- https://git.kernel.org/stable/c/1ce287eff9f23181d5644db787f472463a61f68b
- https://git.kernel.org/stable/c/7b57c38d12aed1b5d92f74748bed25e0d041729f
- https://git.kernel.org/stable/c/f30822c0b4c35ec86187ab055263943dc71a6836
- https://git.kernel.org/stable/c/f2b85040acec9a928b4eb1b57a989324e8e38d3f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.255
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.216
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.292
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.290
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.158