SB20250226628 - Integer underflow in Linux kernel dma qcom driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226628
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) Integer underflow (CVE-ID: CVE-2022-49650)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer underflow within the bam_alloc_chan(), bam_free_chan(), bam_pause(), bam_resume(), bam_dma_irq(), bam_start_dma(), bam_dma_probe(), bam_dma_suspend() and bam_dma_resume() functions in drivers/dma/qcom/bam_dma.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.