Strix
26.1K

CVE-2022-50767

UnknownEPSS 0.21%

Last modified

CVE-2022-50767 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and in this function, there is kref_put() that finally calls ufx_free(). This fix prevents multiple UAFs.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and in this function, there is kref_put() that finally calls ufx_free(). This fix prevents multiple UAFs.

Metrics

EPSS Probability
0.21%

11.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 3f40852d671072836fb7ae331a1f28a24223c4e8; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 70faf9d9b6cc74418716bbf76fe75bd2da10ad4a; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 5385af2f89bc352fb70753ab41b2bb036190141f; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < cc6a7249842fceda7574ceb63275a2d5e99d2862; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 8d924b262f3178a9b17c17d4306a9f426c508bd9; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < cc67482c9e5f2c80d62f623bcc347c29f9f648e1
LinuxLinux3.2

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2022-50767?
In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and in this function, there is kref_put() that finally calls ufx_free(). This fix prevents multiple UAFs.
How severe is CVE-2022-50767?
Severity scoring for CVE-2022-50767 is pending analysis. The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2022-50767?
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.

How Strix Helps

Related CVEs from 2022

View all 2022CVEs →

Are you affected by CVE-2022-50767?

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

Scan your code now

Source: NVD / NIST