From: Elman Shahbazov <shahbazovelman97@gmail.com>
To: linux-bluetooth@vger.kernel.org
Cc: secalert@redhat.com, luiz.dentz@gmail.com,
Elman Shahbazov <shahbazovelman97@gmail.com>
Subject: [PATCH] Fix Out-of-Bounds Read in AVRCP GetFolderItems parsing
Date: Sun, 2 Aug 2026 11:58:50 +0400 [thread overview]
Message-ID: <20260802080137.17604-1-shahbazovelman97@gmail.com> (raw)
Signed-off-by: Elman Shahbazov <shahbazovelman97@gmail.com>
---
profiles/audio/avrcp.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/profiles/audio/avrcp.c b/profiles/audio/avrcp.c
index 2194a9135..19ea13c16 100644
--- a/profiles/audio/avrcp.c
+++ b/profiles/audio/avrcp.c
@@ -2625,8 +2625,12 @@ static struct media_item *parse_media_element(struct avrcp *session,
uid = get_be64(&operands[0]);
memset(name, 0, sizeof(name));
- namesize = get_be16(&operands[11]);
+ namesize = MIN(get_be16(&operands[11]), len - 13);
namelen = MIN(namesize, sizeof(name) - 1);
+
+ if (len < 13 + namesize)
+ return NULL;
+
if (namelen > 0) {
memcpy(name, &operands[13], namelen);
strtoutf8(name, namelen);
@@ -2669,7 +2673,8 @@ static struct media_item *parse_media_folder(struct avrcp *session,
playable = operands[9];
memset(name, 0, sizeof(name));
- namelen = MIN(get_be16(&operands[12]), sizeof(name) - 1);
+ namelen = MIN(get_be16(&operands[12]), len - 14);
+ namelen = MIN(namelen, sizeof(name) - 1);
if (namelen > 0)
memcpy(name, &operands[14], namelen);
--
2.53.0
next reply other threads:[~2026-08-02 8:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-02 7:58 Elman Shahbazov [this message]
2026-08-02 9:14 ` Fix Out-of-Bounds Read in AVRCP GetFolderItems parsing bluez.test.bot
-- strict thread matches above, loose matches on Subject: below --
2026-08-02 4:06 [PATCH] " Elman Shahbazov
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