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CVE-2022-48638

MEDIUMCVSS 5.3/10EPSS 0.23%

Last modified

CVE-2022-48638 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory cgroup has to be one kernfs dir, otherwise kernel panic is caused, especially cgroup id is provide from userspace.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory cgroup has to be one kernfs dir, otherwise kernel panic is caused, especially cgroup id is provide from userspace.

Metrics

CVSS 3.1
5.3/10

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

EPSS Probability
0.23%

13.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
LinuxLinux Kernel>= 5.14, < 5.15.72—
LinuxLinux Kernel>= 5.16, < 5.19.12—
LinuxLinux Kernel6.0Rc1

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2022-48638?
In the Linux kernel, the following vulnerability has been resolved: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory cgroup has to be one kernfs dir, otherwise kernel panic is caused, especially cgroup id is provide from userspace.
How severe is CVE-2022-48638?
CVE-2022-48638 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2022-48638?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-48638?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST