cbcvebase.
CVE-2024-50044
published 2024-10-21

CVE-2024-50044: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change rfcomm_sk_state_change…

PriorityP49low3.3CVSS 3.1
AVLACLPRLUINSUCNINAL
EPSS
0.19%
8.6th percentile
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

Affected

33 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.115-1 (bookworm)linux 6.1.115-1 (bookworm)
debianlinux-6.1< linux 6.1.115-1 (bookworm)linux 6.1.115-1 (bookworm)
linuxlinux
linuxlinux>= 3241ad820dbb172021e0268b5611031991431626 < b77b3fb12fd483cae7c28648903b1d8a6b275f01b77b3fb12fd483cae7c28648903b1d8a6b275f01
linuxlinux>= 3241ad820dbb172021e0268b5611031991431626 < 869c6ee62ab8f01bf2419e45326642be5c9b670a869c6ee62ab8f01bf2419e45326642be5c9b670a
linuxlinux>= 3241ad820dbb172021e0268b5611031991431626 < ef44274dae9b0a90d1a97ce8b242a3b8243a7745ef44274dae9b0a90d1a97ce8b242a3b8243a7745
linuxlinux>= 3241ad820dbb172021e0268b5611031991431626 < 496b2ab0fd10f205e08909a125485fdc98843dbe496b2ab0fd10f205e08909a125485fdc98843dbe
linuxlinux>= 3241ad820dbb172021e0268b5611031991431626 < ced98072d3511b232ae1d3347945f35f30c0e303ced98072d3511b232ae1d3347945f35f30c0e303
linuxlinux>= 3241ad820dbb172021e0268b5611031991431626 < 38b2d5a57d125e1c17661b8308c0240c4a43b53438b2d5a57d125e1c17661b8308c0240c4a43b534
linuxlinux>= 3241ad820dbb172021e0268b5611031991431626 < 4cb9807c9b53bf1e5560420d26f319f528b502684cb9807c9b53bf1e5560420d26f319f528b50268
linuxlinux>= 3241ad820dbb172021e0268b5611031991431626 < 08d1914293dae38350b8088980e59fbc699a72fe08d1914293dae38350b8088980e59fbc699a72fe
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.234-15.10.234-1
linuxlinux_kernel>= 0 < 6.1.115-16.1.115-1
linuxlinux_kernel>= 0 < 6.11.4-16.11.4-1
linuxlinux_kernel>= 0 < 6.11.4-16.11.4-1
linuxlinux_kernel>= 0 < 5.4.0-208.2285.4.0-208.228
linuxlinux_kernel>= 0 < 5.15.0-127.1375.15.0-127.137
linuxlinux_kernel>= 0 < 6.8.0-56.586.8.0-56.58
linuxlinux_kernel>= 0 < 6.11.0-18.186.11.0-18.18
linuxlinux_kernel>= 2.6.27 < 5.10.2275.10.227
linuxlinux_kernel>= 5.11 < 5.15.1685.15.168
linuxlinux_kernel>= 5.16 < 6.1.1136.1.113
linuxlinux_kernel>= 6.2 < 6.6.576.6.57
linuxlinux_kernel>= 6.7 < 6.11.46.11.4

CVSS provenance

nvdv3.13.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian3.3LOW
vendor_msrc3.3LOW
vendor_redhat3.3LOW
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