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CVE-2022-48715— scsi: bnx2fc: Make bnx2fc_recv_frame() mp safe

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于 scsi:bnx2fc 模块 bnx2fc_recv_frame方法存在漏洞。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1135 · Network Share Discovery

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2< 3a345198a7c2d1db2526dc60b77052f75de019d3 affected
d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2< 471085571f926a1fe6b1bed095638994dbf23990 affected
d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2< 003bcee66a8f0e76157eb3af369c173151901d97 affected
d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2< 53e4f71763c61a557283eb43301efd671922d1e8 affected
d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2< ec4334152dae175dbd8fd5bde1d2139bbe7b42d0 affected
d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2< 2f5a1ac68bdf2899ce822ab845081922ea8c588e affected
d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2< 2d24336c7214b281b51860e54783dfc65f1248df affected
d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2< 936bd03405fc83ba039d42bc93ffd4b88418f1d3 affected
… +10 more rows
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I. Basic Information for CVE-2022-48715

Vulnerability Information
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Vulnerability Title
scsi: bnx2fc: Make bnx2fc_recv_frame() mp safe
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于 scsi:bnx2fc 模块 bnx2fc_recv_frame方法存在漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux d576a5e80cd07ea7049f8fd7b303c14df7b5d7d2 ~ 3a345198a7c2d1db2526dc60b77052f75de019d3 -
Linux Linux 3.16 -

II. Public POCs for CVE-2022-48715

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III. Intelligence Information for CVE-2022-48715

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Other References for CVE-2022-48715 (8)

Same Patch Batch · Linux · 2024-06-20 · 67 CVEs total

CVE-2022-48711 9.8 CRITICAL tipc: improve size validations for received domain records
CVE-2024-38620 8.8 HIGH Bluetooth: HCI: Remove HCI_AMP support
CVE-2022-48743 8.1 HIGH net: amd-xgbe: Fix skb data length underflow
CVE-2021-47620 8.1 HIGH Bluetooth: refactor malicious adv data check
CVE-2022-48759 7.8 HIGH rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev
CVE-2022-48720 7.8 HIGH net: macsec: Fix offload support for NETDEV_UNREGISTER event
CVE-2022-48716 7.8 HIGH ASoC: codecs: wcd938x: fix incorrect used of portid
CVE-2022-48771 7.8 HIGH drm/vmwgfx: Fix stale file descriptors on failed usercopy
CVE-2022-48721 7.8 HIGH net/smc: Forward wakeup to smc socket waitqueue after fallback
CVE-2022-48762 7.8 HIGH arm64: extable: fix load_unaligned_zeropad() reg indices
CVE-2022-48729 7.8 HIGH IB/hfi1: Fix panic with larger ipoib send_queue_size
CVE-2022-48726 7.8 HIGH RDMA/ucma: Protect mc during concurrent multicast leaves
CVE-2022-48733 7.8 HIGH btrfs: fix use-after-free after failure to create a snapshot
CVE-2022-48735 7.8 HIGH ALSA: hda: Fix UAF of leds class devs at unbinding
CVE-2022-48754 7.8 HIGH phylib: fix potential use-after-free
CVE-2022-48742 7.8 HIGH rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()
CVE-2022-48751 7.8 HIGH net/smc: Transitional solution for clcsock race issue
CVE-2022-48744 7.5 HIGH net/mlx5e: Avoid field-overflowing memcpy()
CVE-2022-48727 7.3 HIGH KVM: arm64: Avoid consuming a stale esr value when SError occur
CVE-2022-48717 7.1 HIGH ASoC: max9759: fix underflow in speaker_gain_control_put()

Showing top 20 of 67 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48715

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