linux-cve-announce - CVE-2023-53114: i40e: Fix kernel crash during reboot when adapter is in recovery mode

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Message-ID: <2025050228-CVE-2023-53114-39ab@gregkh>
Date: Fri,  2 May 2025 17:56:19 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2023-53114: i40e: Fix kernel crash during reboot when adapter is in recovery mode

From: Greg Kroah-Hartman <gregkh@...nel.org>

Description
===========

In the Linux kernel, the following vulnerability has been resolved:

i40e: Fix kernel crash during reboot when adapter is in recovery mode

If the driver detects during probe that firmware is in recovery
mode then i40e_init_recovery_mode() is called and the rest of
probe function is skipped including pci_set_drvdata(). Subsequent
i40e_shutdown() called during shutdown/reboot dereferences NULL
pointer as pci_get_drvdata() returns NULL.

To fix call pci_set_drvdata() also during entering to recovery mode.

Reproducer:
1) Lets have i40e NIC with firmware in recovery mode
2) Run reboot

Result:
[  139.084698] i40e: Intel(R) Ethernet Connection XL710 Network Driver
[  139.090959] i40e: Copyright (c) 2013 - 2019 Intel Corporation.
[  139.108438] i40e 0000:02:00.0: Firmware recovery mode detected. Limiting functionality.
[  139.116439] i40e 0000:02:00.0: Refer to the Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.
[  139.129499] i40e 0000:02:00.0: fw 8.3.64775 api 1.13 nvm 8.30 0x8000b78d 1.3106.0 [8086:1583] [15d9:084a]
[  139.215932] i40e 0000:02:00.0 enp2s0f0: renamed from eth0
[  139.223292] i40e 0000:02:00.1: Firmware recovery mode detected. Limiting functionality.
[  139.231292] i40e 0000:02:00.1: Refer to the Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.
[  139.244406] i40e 0000:02:00.1: fw 8.3.64775 api 1.13 nvm 8.30 0x8000b78d 1.3106.0 [8086:1583] [15d9:084a]
[  139.329209] i40e 0000:02:00.1 enp2s0f1: renamed from eth0
...
[  156.311376] BUG: kernel NULL pointer dereference, address: 00000000000006c2
[  156.318330] #PF: supervisor write access in kernel mode
[  156.323546] #PF: error_code(0x0002) - not-present page
[  156.328679] PGD 0 P4D 0
[  156.331210] Oops: 0002 [#1] PREEMPT SMP NOPTI
[  156.335567] CPU: 26 PID: 15119 Comm: reboot Tainted: G            E      6.2.0+ #1
[  156.343126] Hardware name: Abacus electric, s.r.o. - servis@...cus.cz Super Server/H12SSW-iN, BIOS 2.4 04/13/2022
[  156.353369] RIP: 0010:i40e_shutdown+0x15/0x130 [i40e]
[  156.358430] Code: c1 fc ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 55 48 89 fd 53 48 8b 9f 48 01 00 00 <f0> 80 8b c2 06 00 00 04 f0 80 8b c0 06 00 00 08 48 8d bb 08 08 00
[  156.377168] RSP: 0018:ffffb223c8447d90 EFLAGS: 00010282
[  156.382384] RAX: ffffffffc073ee70 RBX: 0000000000000000 RCX: 0000000000000001
[  156.389510] RDX: 0000000080000001 RSI: 0000000000000246 RDI: ffff95db49988000
[  156.396634] RBP: ffff95db49988000 R08: ffffffffffffffff R09: ffffffff8bd17d40
[  156.403759] R10: 0000000000000001 R11: ffffffff8a5e3d28 R12: ffff95db49988000
[  156.410882] R13: ffffffff89a6fe17 R14: ffff95db49988150 R15: 0000000000000000
[  156.418007] FS:  00007fe7c0cc3980(0000) GS:ffff95ea8ee80000(0000) knlGS:0000000000000000
[  156.426083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.431819] CR2: 00000000000006c2 CR3: 00000003092fc005 CR4: 0000000000770ee0
[  156.438944] PKRU: 55555554
[  156.441647] Call Trace:
[  156.444096]  <TASK>
[  156.446199]  pci_device_shutdown+0x38/0x60
[  156.450297]  device_shutdown+0x163/0x210
[  156.454215]  kernel_restart+0x12/0x70
[  156.457872]  __do_sys_reboot+0x1ab/0x230
[  156.461789]  ? vfs_writev+0xa6/0x1a0
[  156.465362]  ? __pfx_file_free_rcu+0x10/0x10
[  156.469635]  ? __call_rcu_common.constprop.85+0x109/0x5a0
[  156.475034]  do_syscall_64+0x3e/0x90
[  156.478611]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
[  156.483658] RIP: 0033:0x7fe7bff37ab7

The Linux kernel CVE team has assigned CVE-2023-53114 to this issue.


Affected and fixed versions
===========================

	Issue introduced in 5.2 with commit 4ff0ee1af016976acb6a525e68ec9a5a85d7abdc and fixed in 5.4.238 with commit 6e18f66b704bd725196508c1db93bf7338cdc8de
	Issue introduced in 5.2 with commit 4ff0ee1af016976acb6a525e68ec9a5a85d7abdc and fixed in 5.10.176 with commit 3cbecb1c9085a00155639404f7addbcbfc987ba3
	Issue introduced in 5.2 with commit 4ff0ee1af016976acb6a525e68ec9a5a85d7abdc and fixed in 5.15.104 with commit 4ff82695266576a0b4f1077a7100b2451e476df4
	Issue introduced in 5.2 with commit 4ff0ee1af016976acb6a525e68ec9a5a85d7abdc and fixed in 6.1.21 with commit c703362a66ea971905b9dc153fc54d1b6ac05423
	Issue introduced in 5.2 with commit 4ff0ee1af016976acb6a525e68ec9a5a85d7abdc and fixed in 6.2.8 with commit b3826fb3ea14646b3d4e6309bfc384b349f36eb6
	Issue introduced in 5.2 with commit 4ff0ee1af016976acb6a525e68ec9a5a85d7abdc and fixed in 6.3 with commit 7e4f8a0c495413a50413e8c9f1032ce1bc633bae

Please see https://www.kernel.org for a full list of currently supported
kernel versions by the kernel community.

Unaffected versions might change over time as fixes are backported to
older supported kernel versions.  The official CVE entry at
	https://cve.org/CVERecord/?id=CVE-2023-53114
will be updated if fixes are backported, please check that for the most
up to date information about this issue.


Affected files
==============

The file(s) affected by this issue are:
	drivers/net/ethernet/intel/i40e/i40e_main.c


Mitigation
==========

The Linux kernel CVE team recommends that you update to the latest
stable kernel version for this, and many other bugfixes.  Individual
changes are never tested alone, but rather are part of a larger kernel
release.  Cherry-picking individual commits is not recommended or
supported by the Linux kernel community at all.  If however, updating to
the latest release is impossible, the individual changes to resolve this
issue can be found at these commits:
	https://git.kernel.org/stable/c/6e18f66b704bd725196508c1db93bf7338cdc8de
	https://git.kernel.org/stable/c/3cbecb1c9085a00155639404f7addbcbfc987ba3
	https://git.kernel.org/stable/c/4ff82695266576a0b4f1077a7100b2451e476df4
	https://git.kernel.org/stable/c/c703362a66ea971905b9dc153fc54d1b6ac05423
	https://git.kernel.org/stable/c/b3826fb3ea14646b3d4e6309bfc384b349f36eb6
	https://git.kernel.org/stable/c/7e4f8a0c495413a50413e8c9f1032ce1bc633bae