From: Rosalie Wanders <rosalie@mailbox.org>
To: Jiri Kosina <jikos@kernel.org>, Benjamin Tissoires <bentiss@kernel.org>
Cc: Rosalie Wanders <rosalie@mailbox.org>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] HID: sony: add missing size validation for Rock Band 3 Pro instruments
Date: Sun, 12 Apr 2026 03:12:03 +0200 [thread overview]
Message-ID: <20260412011203.8921-1-rosalie@mailbox.org> (raw)
This commit adds the missing size validation for Rock Band 3 PS3 Pro
instruments in sony_raw_event(), this prevents a malicious device from
allowing hid-sony to read out of bounds of the provided buffer.
Signed-off-by: Rosalie Wanders <rosalie@mailbox.org>
---
drivers/hid/hid-sony.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 2260d55a17b0..e75246d29e16 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -1188,7 +1188,7 @@ static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
/* Rock Band 3 PS3 Pro instruments set rd[24] to 0xE0 when they're
* sending full reports, and 0x02 when only sending navigation.
*/
- if ((sc->quirks & RB3_PRO_INSTRUMENT) && rd[24] == 0x02) {
+ if ((sc->quirks & RB3_PRO_INSTRUMENT) && size >= 25 && rd[24] == 0x02) {
/* Only attempt to enable full report every 8 seconds */
if (time_after(jiffies, sc->rb3_pro_poke_jiffies)) {
sc->rb3_pro_poke_jiffies = jiffies + secs_to_jiffies(8);
--
2.53.0
reply other threads:[~2026-04-12 1:12 UTC|newest]
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