SB2024082172 - NULL pointer dereference in Linux kernel dma idxd driver
Published: August 21, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082172
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) NULL pointer dereference (CVE-ID: CVE-2022-48868)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the __drv_enable_wq() function in drivers/dma/idxd/device.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/0f150134dd795ffcd60b798a85ab737d8d010fb7
- https://git.kernel.org/stable/c/99dc4520b74e7ca8e9dc9abe37a0b10b49467960
- https://git.kernel.org/stable/c/b51b75f0604f17c0f6f3b6f68f1a521a5cc6b04f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.90
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2