scsi: bnx2fc: Make bnx2fc_recv_frame() mp safe
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 3.16 and later | 4.9.300, 4.14.265, 4.19.228, 5.4.178, 5.10.99, 5.15.22, 5.16.8, 5.17 | Patch available | CNA |
- Linux VendorLinux Affected 3.16 and later Fixed in 4.9.300, 4.14.265, 4.19.228, 5.4.178, 5.10.99, 5.15.22, 5.16.8, 5.17 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.16.1 to before 4.9.300; 4.10 to before 4.14.265; 4.15 to before 4.19.228; 4.20 to before 5.4.178; 5.5 to before 5.10.99; 5.11 to before 5.15.22; 5.16 to before 5.16.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.16:-:*:*:*:*:*:* | 3.16 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.16:rc4:*:*:*:*:*:* | 3.16 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.16:rc5:*:*:*:*:*:* | 3.16 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.16:rc6:*:*:*:*:*:* | 3.16 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:3.16:rc7:*:*:*:*:*:* | 3.16 rc7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* | 5.17 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:* | 5.17 rc2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.16.1 to before 4.9.300; 4.10 to before 4.14.265; 4.15 to before 4.19.228; 4.20 to before 5.4.178; 5.5 to before 5.10.99; 5.11 to before 5.15.22; 5.16 to before 5.16.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.16:-:*:*:*:*:*:* Versions 3.16 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.16:rc4:*:*:*:*:*:* Versions 3.16 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.16:rc5:*:*:*:*:*:* Versions 3.16 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.16:rc6:*:*:*:*:*:* Versions 3.16 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:3.16:rc7:*:*:*:*:*:* Versions 3.16 rc7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* Versions 5.17 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:* Versions 5.17 rc2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.9.300, 4.14.265, 4.19.228, 5.4.178, 5.10.99, 5.15.22, 5.16.8, 5.17
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix yet |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-48715
- 2026-10-03 Alias added: GHSA-6p2j-4rfr-64h6
References
Patch 8
- https://git.kernel.org/stable/c/3a345198a7c2d1db2526dc60b77052f75de019d3
- https://git.kernel.org/stable/c/471085571f926a1fe6b1bed095638994dbf23990
- https://git.kernel.org/stable/c/003bcee66a8f0e76157eb3af369c173151901d97
- https://git.kernel.org/stable/c/53e4f71763c61a557283eb43301efd671922d1e8
- https://git.kernel.org/stable/c/ec4334152dae175dbd8fd5bde1d2139bbe7b42d0
- https://git.kernel.org/stable/c/2f5a1ac68bdf2899ce822ab845081922ea8c588e
- https://git.kernel.org/stable/c/2d24336c7214b281b51860e54783dfc65f1248df
- https://git.kernel.org/stable/c/936bd03405fc83ba039d42bc93ffd4b88418f1d3
More Linux Kernel vulnerabilities
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- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2022-48715 · CVE Program
- CVE-2022-48715 · NVD
- FIRST EPSS
- GHSA-6p2j-4rfr-64h6 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-48715 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences