SB2024071793 - Infinite loop in Linux kernel vhost driver
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071793
CSH 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 vulnerability.
1) Infinite loop (CVE-ID: CVE-2022-48862)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the vhost_chr_write_iter() function in drivers/vhost/vhost.c, within the vhost_iotlb_add_range_ctx() function in drivers/vhost/iotlb.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/f8d88e86e90ea1002226d7ac2430152bfea003d1
- https://git.kernel.org/stable/c/d9a747e6b6561280bf1791bb24c5e9e082193dad
- https://git.kernel.org/stable/c/e2ae38cf3d91837a493cb2093c87700ff3cbe667
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17