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CVE-2022-50767

fbdev: smscufx: Fix several use-after-free bugs

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 3c8a63e22a0802fd56380f6ab305b419f18eb6f5
Version < 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f
Status affected
Version 3c8a63e22a0802fd56380f6ab305b419f18eb6f5
Version < 3f40852d671072836fb7ae331a1f28a24223c4e8
Status affected
Version 3c8a63e22a0802fd56380f6ab305b419f18eb6f5
Version < 70faf9d9b6cc74418716bbf76fe75bd2da10ad4a
Status affected
Version 3c8a63e22a0802fd56380f6ab305b419f18eb6f5
Version < 5385af2f89bc352fb70753ab41b2bb036190141f
Status affected
Version 3c8a63e22a0802fd56380f6ab305b419f18eb6f5
Version < d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86
Status affected
Version 3c8a63e22a0802fd56380f6ab305b419f18eb6f5
Version < cc6a7249842fceda7574ceb63275a2d5e99d2862
Status affected
Version 3c8a63e22a0802fd56380f6ab305b419f18eb6f5
Version < 8d924b262f3178a9b17c17d4306a9f426c508bd9
Status affected
Version 3c8a63e22a0802fd56380f6ab305b419f18eb6f5
Version < cc67482c9e5f2c80d62f623bcc347c29f9f648e1
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 3.2
Status affected
Version 0
Version < 3.2
Status unaffected
Version <= 4.9.*
Version 4.9.332
Status unaffected
Version <= 4.14.*
Version 4.14.298
Status unaffected
Version <= 4.19.*
Version 4.19.264
Status unaffected
Version <= 5.4.*
Version 5.4.223
Status unaffected
Version <= 5.10.*
Version 5.10.153
Status unaffected
Version <= 5.15.*
Version 5.15.77
Status unaffected
Version <= 6.0.*
Version 6.0.7
Status unaffected
Version <= *
Version 6.1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.05% 0.144
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.