Not yet scoredPublished Dec 24, 2025

CVE-2022-50767fbdev: smscufx: Fix several use-after-free bugs

Updated under an hour ago (Oct 26, 2026, 5:30 PM ET)

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Exploited in the last 30 days

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.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f; from 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before 3f40852d671072836fb7ae331a1f28a24223c4e8; from 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before 70faf9d9b6cc74418716bbf76fe75bd2da10ad4a; from 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before 5385af2f89bc352fb70753ab41b2bb036190141f; from 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86; from 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before cc6a7249842fceda7574ceb63275a2d5e99d2862; from 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before 8d924b262f3178a9b17c17d4306a9f426c508bd9; from 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before cc67482c9e5f2c80d62f623bcc347c29f9f648e1	CNA record

References

References

https://git.kernel.org/stable/c/6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f
https://git.kernel.org/stable/c/3f40852d671072836fb7ae331a1f28a24223c4e8
https://git.kernel.org/stable/c/70faf9d9b6cc74418716bbf76fe75bd2da10ad4a
https://git.kernel.org/stable/c/5385af2f89bc352fb70753ab41b2bb036190141f
https://git.kernel.org/stable/c/d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86
https://git.kernel.org/stable/c/cc6a7249842fceda7574ceb63275a2d5e99d2862
https://git.kernel.org/stable/c/8d924b262f3178a9b17c17d4306a9f426c508bd9
https://git.kernel.org/stable/c/cc67482c9e5f2c80d62f623bcc347c29f9f648e1

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.