SB2024071761 - NULL pointer dereference in Linux kernel parisc driver
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071761
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-2022-48795)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the sba_unmap_sg() function in drivers/parisc/sba_iommu.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/f23f0444ead4d941165aa82ce2fcbb997dc00e97
- https://git.kernel.org/stable/c/de75676ee99bf9f25b1124ff301b3f7b8ba597d4
- https://git.kernel.org/stable/c/867e50231c7605547d9334904d70a181f39f2d9e
- https://git.kernel.org/stable/c/efccc9b0c7e28d0eb7918a236e59f60dc23db4c3
- https://git.kernel.org/stable/c/f8f519d7df66c334b5e08f896ac70ee3b53add3b
- https://git.kernel.org/stable/c/8c8e949ae81e7f5ab58f9f9f8e9b573b93173dd2
- https://git.kernel.org/stable/c/e40ae3133ed87d6d526f3c8fc6a5f9a2d72dcdbf
- https://git.kernel.org/stable/c/b7d6f44a0fa716a82969725516dc0b16bc7cd514
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.268
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.231
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.303
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.102
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.181