CVE-2022-49054: linux kernel — Fix

Description

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().

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.15.35
linux	linux_kernel	5.16 — 5.17.4
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/1b576e81d31b56b248316b8ff816b1cc5c4407c7 https://git.kernel.org/stable/c/6230bc50d6d21cae4c084766623d0a6d17958721 https://git.kernel.org/stable/c/9f8b577f7b43b2170628d6c537252785dcc2dcea

Frequently Asked Questions

What is CVE-2022-49054? +

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(). It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49054? +

CVE-2022-49054 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-49054? +

CVE-2022-49054 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-49054? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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