CVE-2022-48798 s390/cio: verify the driver availability for path_event call

What is CVE-2022-48798?

CVE-2022-48798 is a medium-severity vulnerability in Linux kernel, published on 16 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2022-48798?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-48798?

Apply the vendor's patch.

Is CVE-2022-48798 being exploited?

There is no known exploitation of CVE-2022-48798 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2022-48798, GHSA-h4fq-wqr3-5hg3, UBUNTU-CVE-2022-48798.