CVE - CVE-2024-50044

CVE-ID
CVE-2024-50044	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change rfcomm_sk_state_change attempts to use sock_lock so it must never be called with it locked but rfcomm_sock_ioctl always attempt to lock it causing the following trace: ====================================================== WARNING: possible circular locking dependency detected 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted ------------------------------------------------------ syz-executor386/5093 is trying to acquire lock: ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline] ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73 but task is already holding lock: ffff88807badfd28 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/08d1914293dae38350b8088980e59fbc699a72fe URL:https://git.kernel.org/stable/c/08d1914293dae38350b8088980e59fbc699a72fe MISC:https://git.kernel.org/stable/c/38b2d5a57d125e1c17661b8308c0240c4a43b534 URL:https://git.kernel.org/stable/c/38b2d5a57d125e1c17661b8308c0240c4a43b534 MISC:https://git.kernel.org/stable/c/496b2ab0fd10f205e08909a125485fdc98843dbe URL:https://git.kernel.org/stable/c/496b2ab0fd10f205e08909a125485fdc98843dbe MISC:https://git.kernel.org/stable/c/4cb9807c9b53bf1e5560420d26f319f528b50268 URL:https://git.kernel.org/stable/c/4cb9807c9b53bf1e5560420d26f319f528b50268 MISC:https://git.kernel.org/stable/c/869c6ee62ab8f01bf2419e45326642be5c9b670a URL:https://git.kernel.org/stable/c/869c6ee62ab8f01bf2419e45326642be5c9b670a MISC:https://git.kernel.org/stable/c/b77b3fb12fd483cae7c28648903b1d8a6b275f01 URL:https://git.kernel.org/stable/c/b77b3fb12fd483cae7c28648903b1d8a6b275f01 MISC:https://git.kernel.org/stable/c/ced98072d3511b232ae1d3347945f35f30c0e303 URL:https://git.kernel.org/stable/c/ced98072d3511b232ae1d3347945f35f30c0e303 MISC:https://git.kernel.org/stable/c/ef44274dae9b0a90d1a97ce8b242a3b8243a7745 URL:https://git.kernel.org/stable/c/ef44274dae9b0a90d1a97ce8b242a3b8243a7745
Assigning CNA
kernel.org
Date Record Created
20241021	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241021)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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