cbcvebase.
CVE-2022-48715
published 2024-06-20

CVE-2022-48715: In the Linux kernel, the following vulnerability has been resolved: scsi: bnx2fc: Make bnx2fc_recv_frame() mp safe Running tests with a debug kernel shows that…

PriorityP421medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.21%
11.4th percentile
In the Linux kernel, the following vulnerability has been resolved: scsi: bnx2fc: Make bnx2fc_recv_frame() mp safe Running tests with a debug kernel shows that bnx2fc_recv_frame() is modifying the per_cpu lport stats counters in a non-mpsafe way. Just boot a debug kernel and run the bnx2fc driver with the hardware enabled. [ 1391.699147] BUG: using smp_processor_id() in preemptible [00000000] code: bnx2fc_ [ 1391.699160] caller is bnx2fc_recv_frame+0xbf9/0x1760 [bnx2fc] [ 1391.699174] CPU: 2 PID: 4355 Comm: bnx2fc_l2_threa Kdump: loaded Tainted: G B [ 1391.699180] Hardware name: HP ProLiant DL120 G7, BIOS J01 07/01/2013 [ 1391.699183] Call Trace: [ 1391.699188] dump_stack_lvl+0x57/0x7d [ 1391.699198] check_preemption_disabled+0xc8/0xd0 [ 1391.699205] bnx2fc_recv_frame+0xbf9/0x1760 [bnx2fc] [ 1391.699215] ? do_raw_spin_trylock+0xb5/0x180 [ 1391.699221] ? bnx2fc_npiv_create_vports.isra.0+0x4e0/0x4e0 [bnx2fc] [ 1391.699229] ? bnx2fc_l2_rcv_thread+0xb7/0x3a0 [bnx2fc] [ 1391.699240] bnx2fc_l2_rcv_thread+0x1af/0x3a0 [bnx2fc] [ 1391.699250] ? bnx2fc_ulp_init+0xc0/0xc0 [bnx2fc] [ 1391.699258] kthread+0x364/0x420 [ 1391.699263] ? _raw_spin_unlock_irq+0x24/0x50 [ 1391.699268] ? set_kthread_struct+0x100/0x100 [ 1391.699273] ret_from_fork+0x22/0x30 Restore the old get_cpu/put_cpu code with some modifications to reduce the size of the critical section.

Affected

23 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.16.10-1 (bookworm)linux 5.16.10-1 (bookworm)
linuxlinux
linuxlinux>= d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2 < 3a345198a7c2d1db2526dc60b77052f75de019d33a345198a7c2d1db2526dc60b77052f75de019d3
linuxlinux>= d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2 < 471085571f926a1fe6b1bed095638994dbf23990471085571f926a1fe6b1bed095638994dbf23990
linuxlinux>= d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2 < 003bcee66a8f0e76157eb3af369c173151901d97003bcee66a8f0e76157eb3af369c173151901d97
linuxlinux>= d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2 < 53e4f71763c61a557283eb43301efd671922d1e853e4f71763c61a557283eb43301efd671922d1e8
linuxlinux>= d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2 < ec4334152dae175dbd8fd5bde1d2139bbe7b42d0ec4334152dae175dbd8fd5bde1d2139bbe7b42d0
linuxlinux>= d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2 < 2f5a1ac68bdf2899ce822ab845081922ea8c588e2f5a1ac68bdf2899ce822ab845081922ea8c588e
linuxlinux>= d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2 < 2d24336c7214b281b51860e54783dfc65f1248df2d24336c7214b281b51860e54783dfc65f1248df
linuxlinux>= d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2 < 936bd03405fc83ba039d42bc93ffd4b88418f1d3936bd03405fc83ba039d42bc93ffd4b88418f1d3
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.103-15.10.103-1
linuxlinux_kernel>= 0 < 5.16.10-15.16.10-1
linuxlinux_kernel>= 0 < 5.16.10-15.16.10-1
linuxlinux_kernel>= 0 < 5.16.10-15.16.10-1
linuxlinux_kernel>= 3.16.1 < 4.9.3004.9.300
linuxlinux_kernel>= 4.10 < 4.14.2654.14.265
linuxlinux_kernel>= 4.15 < 4.19.2284.19.228
linuxlinux_kernel>= 4.20 < 5.4.1785.4.178
linuxlinux_kernel>= 5.11 < 5.15.225.15.22
linuxlinux_kernel>= 5.16 < 5.16.85.16.8
linuxlinux_kernel>= 5.5 < 5.10.995.10.99

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.