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| author | Rafael J. Wysocki <[email protected]> | 2025-06-18 12:17:45 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2025-06-18 19:12:13 +0000 |
| commit | 6fcab2791543924d438e7fa49276d0998b0a069f (patch) | |
| tree | 67f23eeba1db09bad3a80b3c57c5389932e645de /lib/crypto/mpi/mpi-cmp.c | |
| parent | Linux 6.16-rc2 (diff) | |
| download | kernel-6fcab2791543924d438e7fa49276d0998b0a069f.tar.gz kernel-6fcab2791543924d438e7fa49276d0998b0a069f.zip | |
ACPICA: Refuse to evaluate a method if arguments are missing
As reported in [1], a platform firmware update that increased the number
of method parameters and forgot to update a least one of its callers,
caused ACPICA to crash due to use-after-free.
Since this a result of a clear AML issue that arguably cannot be fixed
up by the interpreter (it cannot produce missing data out of thin air),
address it by making ACPICA refuse to evaluate a method if the caller
attempts to pass fewer arguments than expected to it.
Closes: https://github.com/acpica/acpica/issues/1027 [1]
Reported-by: Peter Williams <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Tested-by: Hans de Goede <[email protected]> # Dell XPS 9640 with BIOS 1.12.0
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Rafael J. Wysocki <[email protected]>
Diffstat (limited to 'lib/crypto/mpi/mpi-cmp.c')
0 files changed, 0 insertions, 0 deletions