fbdev: smscufx: Fix several use-after-free bugs (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.25 % · percentile 16 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Deferred
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.
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
European references
- ENISA EUVD · EUVD-2022-55794
- GCVE · GCVE-0-2022-50767
CERT-FR advisories
- CERTFR-2026-AVI-0225 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0170 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0128 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0108 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 < 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f ; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 < 3f40852d671072836fb7ae331a1f28a24223c4e8 ; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 < 70faf9d9b6cc74418716bbf76fe75bd2da10ad4a ; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 < 5385af2f89bc352fb70753ab41b2bb036190141f ; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 < d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86 ; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 < cc6a7249842fceda7574ceb63275a2d5e99d2862 |
| Linux · Linux | affected 3.2 ; unaffected 0 < 3.2 ; unaffected 4.9.332 ≤ 4.9.* ; unaffected 4.14.298 ≤ 4.14.* ; unaffected 4.19.264 ≤ 4.19.* ; unaffected 5.4.223 ≤ 5.4.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |