CVE-2022-48798: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: s390/cio: verify the driver availability for path_event call If no driver is attached to a device or the driver does not provide the path_event function, an FCES path-event on this device could end up in a kernel-panic. Verify the driver availability before the path_event function call.

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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	5.11 — 5.15.24
linux	linux_kernel	5.16 — 5.16.10
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/a0619027f11590b2070624297530c34dc7f91bcd https://git.kernel.org/stable/c/dd9cb842fa9d90653a9b48aba52f89c069f3bc50 https://git.kernel.org/stable/c/fe990b7bf6ac93f1d850d076b8f0e758268aa4ab https://git.kernel.org/stable/c/a0619027f11590b2070624297530c34dc7f91bcd https://git.kernel.org/stable/c/dd9cb842fa9d90653a9b48aba52f89c069f3bc50 https://git.kernel.org/stable/c/fe990b7bf6ac93f1d850d076b8f0e758268aa4ab

Frequently Asked Questions

What is CVE-2022-48798? +

In the Linux kernel, the following vulnerability has been resolved: s390/cio: verify the driver availability for path_event call If no driver is attached to a device or the driver does not provide the path_event function, an FCES path-event on this device could end up in a kernel-panic. Verify the driver availability before the path_event function call. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-48798? +

CVE-2022-48798 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-2022-48798? +

CVE-2022-48798 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-2022-48798? +

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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CVE-2022-48798