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CVE PROGRAM SOURCE RECORD5.5 Medium

CVE-2022-50404

fbdev: fbcon: release buffer when fbcon_do_set_font() failed

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory leak at fbcon_do_set_font() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") missed that the buffer might be newly allocated by fbcon_set_font().

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

  • 868749a7456dc48e93887a8474194e2ee6d6c21f to < 5a341810a22e51c3a7a108f7896b5fd58d44d127affected
  • ebd6f886aa2447fcfcdce5450c9e1028e1d681bb to < 88ec6d11052da527eb9268831e7a9bc5bbad02f6affected
  • a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 to < 06926607b9fddf7ce8017493899ce6eb7e79a123affected
  • a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 to < a609bfc1e644a8467cb31945ed1488374ebdc013affected
  • a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 to < 3c3bfb8586f848317ceba5d777e11204ba3e5758affected
  • f08ccb792d3eaf1dc62d8cbf6a30d6522329f660affected
  • 5.15.64 to < 5.15.86affected
  • 5.19.6 to < 5.20affected

Linux Linux

Default version status: affected

  • 6.0affected
  • 0 to < 6.0unaffected
  • 5.15.86 to ≤ 5.15.*unaffected
  • 6.0.16 to ≤ 6.0.*unaffected
  • 6.1.2 to ≤ 6.1.*unaffected
  • 6.2 to ≤ *unaffected

References