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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2024-06-21 21:54:50 +0300 |
|---|---|---|
| committer | Kees Cook <kees@kernel.org> | 2024-06-21 12:40:01 -0700 |
| commit | 2a97388a807b6ab5538aa8f8537b2463c6988bd2 (patch) | |
| tree | d35cca0b7bd050979227c8da15643798da5ac93d /fs/exec.c | |
| parent | 60371f43e56bfad1f438621fae286e1de5bb6877 (diff) | |
ELF: fix kernel.randomize_va_space double read
ELF loader uses "randomize_va_space" twice. It is sysctl and can change
at any moment, so 2 loads could see 2 different values in theory with
unpredictable consequences.
Issue exactly one load for consistent value across one exec.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Link: https://lore.kernel.org/r/3329905c-7eb8-400a-8f0a-d87cff979b5b@p183
Signed-off-by: Kees Cook <kees@kernel.org>
Diffstat (limited to 'fs/exec.c')
0 files changed, 0 insertions, 0 deletions