diff options
| author | Alex Williamson <alex.williamson@redhat.com> | 2025-01-22 10:38:30 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-17 10:05:38 +0100 |
| commit | 61ba518195d61c38c6cb86f83135e51f93735442 (patch) | |
| tree | e7758c47d6b6bb7fd815e93a3c3050f569d12279 /lib/parser.c | |
| parent | be985aea92ea6f57ee372329d8f0e668d4a0753d (diff) | |
vfio/platform: check the bounds of read/write syscalls
commit ce9ff21ea89d191e477a02ad7eabf4f996b80a69 upstream.
count and offset are passed from user space and not checked, only
offset is capped to 40 bits, which can be used to read/write out of
bounds of the device.
Fixes: 6e3f26456009 (“vfio/platform: read and write support for the device fd”)
Cc: stable@vger.kernel.org
Reported-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Mostafa Saleh <smostafa@google.com>
Tested-by: Mostafa Saleh <smostafa@google.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/parser.c')
0 files changed, 0 insertions, 0 deletions