CVE-2025-38702
fbdev: fix potential buffer overflow in do_register_framebuffer()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 4, 2025 |
| Last Updated | May 12, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5c3f5a25c62230b7965804ce7a2e9305c3ca3961 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cbe740de32bb0fb7a5213731ff5f26ea6718fca3 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 806f85bdd3a60187c21437fc51baace11f659f35 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2828a433c7d7a05b6f27c8148502095101dd0b09 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 248b2aab9b2af5ecf89d9d7955a2ff20c4b4a399 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 523b84dc7ccea9c4d79126d6ed1cf9033cf83b05
Linux / Linux
2.6.12
References
git.kernel.org: https://git.kernel.org/stable/c/5c3f5a25c62230b7965804ce7a2e9305c3ca3961 git.kernel.org: https://git.kernel.org/stable/c/cbe740de32bb0fb7a5213731ff5f26ea6718fca3 git.kernel.org: https://git.kernel.org/stable/c/806f85bdd3a60187c21437fc51baace11f659f35 git.kernel.org: https://git.kernel.org/stable/c/2828a433c7d7a05b6f27c8148502095101dd0b09 git.kernel.org: https://git.kernel.org/stable/c/248b2aab9b2af5ecf89d9d7955a2ff20c4b4a399 git.kernel.org: https://git.kernel.org/stable/c/523b84dc7ccea9c4d79126d6ed1cf9033cf83b05 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-082556.html cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-032379.html