diff options
| author | Jiri Kosina <jkosina@suse.com> | 2024-10-29 15:44:35 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.com> | 2024-10-29 15:44:42 +0100 |
| commit | 177f25d1292c7e16e1199b39c85480f7f8815552 (patch) | |
| tree | 8e4d283d74a1dc5f6e97afda45d1fb4238de43e3 /drivers/hid | |
| parent | 51268879eb2bfc563a91cdce69362d9dbf707e7e (diff) | |
HID: core: zero-initialize the report buffer
Since the report buffer is used by all kinds of drivers in various ways, let's
zero-initialize it during allocation to make sure that it can't be ever used
to leak kernel memory via specially-crafted report.
Fixes: 27ce405039bf ("HID: fix data access in implement()")
Reported-by: Benoît Sevens <bsevens@google.com>
Acked-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 30de92d0bf0f..4aee4eae50fd 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1875,7 +1875,7 @@ u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags) u32 len = hid_report_len(report) + 7; - return kmalloc(len, flags); + return kzalloc(len, flags); } EXPORT_SYMBOL_GPL(hid_alloc_report_buf); |