#VU104794 Integer underflow in Linux kernel - CVE-2022-49650
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104794
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49650
CWE-ID: CWE-191
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.