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CVE-2025-38702

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CVE-2025-38702

Published: Sep 4, 2025

Modified: May 12, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 5c3f5a25c62230b7965804ce7a2e9305c3ca3961
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < cbe740de32bb0fb7a5213731ff5f26ea6718fca3
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 806f85bdd3a60187c21437fc51baace11f659f35
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 2828a433c7d7a05b6f27c8148502095101dd0b09
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 248b2aab9b2af5ecf89d9d7955a2ff20c4b4a399

+1 more versions

Linux

Linux

affected
2.6.12
unaffected
0 - < 2.6.12
unaffected
6.1.149 - <= 6.1.*
unaffected
6.6.103 - <= 6.6.*
unaffected
6.12.43 - <= 6.12.*

+3 more versions

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