CVE-2022-50767 (GCVE-0-2022-50767)
Vulnerability from cvelistv5 – Published: 2025-12-24 13:05 – Updated: 2025-12-24 13:05
VLAI?
Title
fbdev: smscufx: Fix several use-after-free bugs
Summary
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3f40852d671072836fb7ae331a1f28a24223c4e8 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 70faf9d9b6cc74418716bbf76fe75bd2da10ad4a (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5385af2f89bc352fb70753ab41b2bb036190141f (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cc6a7249842fceda7574ceb63275a2d5e99d2862 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8d924b262f3178a9b17c17d4306a9f426c508bd9 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cc67482c9e5f2c80d62f623bcc347c29f9f648e1 (git) |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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