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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-50767

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

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 to < 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953faffected
  • 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 to < 3f40852d671072836fb7ae331a1f28a24223c4e8affected
  • 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 to < 70faf9d9b6cc74418716bbf76fe75bd2da10ad4aaffected
  • 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 to < 5385af2f89bc352fb70753ab41b2bb036190141faffected
  • 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 to < d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86affected
  • 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 to < cc6a7249842fceda7574ceb63275a2d5e99d2862affected
  • 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 to < 8d924b262f3178a9b17c17d4306a9f426c508bd9affected
  • 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 to < cc67482c9e5f2c80d62f623bcc347c29f9f648e1affected

Linux Linux

Default version status: affected

  • 3.2affected
  • 0 to < 3.2unaffected
  • 4.9.332 to ≤ 4.9.*unaffected
  • 4.14.298 to ≤ 4.14.*unaffected
  • 4.19.264 to ≤ 4.19.*unaffected
  • 5.4.223 to ≤ 5.4.*unaffected
  • 5.10.153 to ≤ 5.10.*unaffected
  • 5.15.77 to ≤ 5.15.*unaffected
  • 6.0.7 to ≤ 6.0.*unaffected
  • 6.1 to ≤ *unaffected

References