CVE-2022-50767

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Source
https://cve.org/CVERecord?id=CVE-2022-50767
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50767.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-50767
Downstream
Related
Published
2025-12-24T13:05:57.569Z
Modified
2026-03-20T12:22:38.355552Z
Summary
fbdev: smscufx: Fix several use-after-free bugs
Details

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 ufxopsdestroy() function to .fbdestroy of fbops, and in this function, there is krefput() that finally calls ufxfree().

This fix prevents multiple UAFs.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50767.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
3c8a63e22a0802fd56380f6ab305b419f18eb6f5
Fixed
6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f
Fixed
3f40852d671072836fb7ae331a1f28a24223c4e8
Fixed
70faf9d9b6cc74418716bbf76fe75bd2da10ad4a
Fixed
5385af2f89bc352fb70753ab41b2bb036190141f
Fixed
d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86
Fixed
cc6a7249842fceda7574ceb63275a2d5e99d2862
Fixed
8d924b262f3178a9b17c17d4306a9f426c508bd9
Fixed
cc67482c9e5f2c80d62f623bcc347c29f9f648e1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50767.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
3.2.0
Fixed
4.9.332
Type
ECOSYSTEM
Events
Introduced
4.10.0
Fixed
4.14.298
Type
ECOSYSTEM
Events
Introduced
4.15.0
Fixed
4.19.264
Type
ECOSYSTEM
Events
Introduced
4.20.0
Fixed
5.4.223
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.153
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.77
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.0.7

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50767.json"