CVE-2022-49054
CVE-2022-49054 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2022-55150
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
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().
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().
- How severe is CVE-2022-49054?
- CVE-2022-49054 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-49054 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-49054?
- CVE-2022-49054 primarily affects Linux Linux Kernel. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-49054?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2022-49054 have an EU (EUVD) identifier?
- Yes. CVE-2022-49054 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55150.
- When was CVE-2022-49054 published?
- CVE-2022-49054 was published on 2025-02-26 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/1b576e81d31b56b248316b8ff816b1cc5c4407c7
- https://git.kernel.org/stable/c/6230bc50d6d21cae4c084766623d0a6d17958721
- https://git.kernel.org/stable/c/9f8b577f7b43b2170628d6c537252785dcc2dcea
Affected products (2)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*
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