CVE-2024-46774
powerpc/rtas: Prevent Spectre v1 gadget construction in sys_rtas()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Prevent Spectre v1 gadget construction in sys_rtas() Smatch warns: arch/powerpc/kernel/rtas.c:1932 __do_sys_rtas() warn: potential spectre issue 'args.args' [r] (local cap) The 'nargs' and 'nret' locals come directly from a user-supplied buffer and are used as indexes into a small stack-based array and as inputs to copy_to_user() after they are subject to bounds checks. Use array_index_nospec() after the bounds checks to clamp these values for speculative execution.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 18, 2024 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d2834ff1d9641a8695a09ea79cd901c7b6d4d05f 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a262c2dc833f2fe1bd5c53a4d899e7077d3b1da9 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b137af795399d8b657bad1646c18561530f35ed1 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1f1feff02e9da0dd0cdb195c428c42b5f9b6c771 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 68d8156480940b79227d58865ec5d2947b9384a8 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0974d03eb479384466d828d65637814bee6b26d7
Linux / Linux
2.6.12
References
git.kernel.org: https://git.kernel.org/stable/c/d2834ff1d9641a8695a09ea79cd901c7b6d4d05f git.kernel.org: https://git.kernel.org/stable/c/a262c2dc833f2fe1bd5c53a4d899e7077d3b1da9 git.kernel.org: https://git.kernel.org/stable/c/b137af795399d8b657bad1646c18561530f35ed1 git.kernel.org: https://git.kernel.org/stable/c/1f1feff02e9da0dd0cdb195c428c42b5f9b6c771 git.kernel.org: https://git.kernel.org/stable/c/68d8156480940b79227d58865ec5d2947b9384a8 git.kernel.org: https://git.kernel.org/stable/c/0974d03eb479384466d828d65637814bee6b26d7 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html