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CVE PROGRAM SOURCE RECORDUnscored

CVE-2025-38702

fbdev: fix potential buffer overflow in do_register_framebuffer()

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: fix potential buffer overflow in do_register_framebuffer() The current implementation may lead to buffer overflow when: 1. Unregistration creates NULL gaps in registered_fb[] 2. All array slots become occupied despite num_registered_fb < FB_MAX 3. The registration loop exceeds array bounds Add boundary check to prevent registered_fb[FB_MAX] access.

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

  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 5c3f5a25c62230b7965804ce7a2e9305c3ca3961affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < cbe740de32bb0fb7a5213731ff5f26ea6718fca3affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 806f85bdd3a60187c21437fc51baace11f659f35affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 2828a433c7d7a05b6f27c8148502095101dd0b09affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 248b2aab9b2af5ecf89d9d7955a2ff20c4b4a399affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 523b84dc7ccea9c4d79126d6ed1cf9033cf83b05affected

Linux Linux

Default version status: affected

  • 2.6.12affected
  • 0 to < 2.6.12unaffected
  • 6.1.149 to ≤ 6.1.*unaffected
  • 6.6.103 to ≤ 6.6.*unaffected
  • 6.12.43 to ≤ 6.12.*unaffected
  • 6.15.11 to ≤ 6.15.*unaffected
  • 6.16.2 to ≤ 6.16.*unaffected
  • 6.17 to ≤ *unaffected

References