Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests hv_panic_page might contain guest-sensitive information, do not dump it over to Hyper-V by default in isolated guests. While at it, update some comments in hyperv_{panic,die}_event().
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests hv_panic_page might contain guest-sensitive information, do not dump it over to Hyper-V by default in isolated guests. While at it, update some comments in hyperv_{panic,die}_event().
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/1b576e81d31b56b248316b8ff816b1cc5c4407c7
- https://git.kernel.org/stable/c/6230bc50d6d21cae4c084766623d0a6d17958721
- https://git.kernel.org/stable/c/9f8b577f7b43b2170628d6c537252785dcc2dcea
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49054.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49054