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| author | Lukas Gerlach <lukas.gerlach@cispa.de> | 2025-12-18 20:13:32 +0100 |
|---|---|---|
| committer | Paul Walmsley <pjw@kernel.org> | 2025-12-30 19:57:55 -0700 |
| commit | 25fd7ee7bf58ac3ec7be3c9f82ceff153451946c (patch) | |
| tree | a2cbd65e3fbd522159d9d6bdb413d7f171b8c9ca /rust/kernel/debugfs/git@git.tavy.me:linux.git | |
| parent | 66562b66dcbc8f93c1e28632299f449bb2f5c47d (diff) | |
riscv: Sanitize syscall table indexing under speculation
The syscall number is a user-controlled value used to index into the
syscall table. Use array_index_nospec() to clamp this value after the
bounds check to prevent speculative out-of-bounds access and subsequent
data leakage via cache side channels.
Signed-off-by: Lukas Gerlach <lukas.gerlach@cispa.de>
Link: https://patch.msgid.link/20251218191332.35849-3-lukas.gerlach@cispa.de
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Diffstat (limited to 'rust/kernel/debugfs/git@git.tavy.me:linux.git')
0 files changed, 0 insertions, 0 deletions