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CVE-2022-50441— net/mlx5: Lag, fix failure to cancel delayed bond work

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，该漏洞源于未取消延迟绑定工作，可能导致空指针取消引用。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 9

VendorProduct Version RangeStatus
Linux Linux ff24a802204620214afa75a5e64280f40015e399< 5df57bb04e91add52fb67e226209df9a17f06a89 affected
0d4e8ed139d871fcb2844dd71075997753baeec8< 8f1b8b3133504bf9125ee507ddcc3a8fb41a41f0 affected
0d4e8ed139d871fcb2844dd71075997753baeec8< 4d1c1379d71777ddeda3e54f8fc26e9ecbfd1009 affected
6.0.13< 6.0.19 affected
6.1 affected
< 6.1 unaffected
6.0.19≤ 6.0.* unaffected
6.1.5≤ 6.1.* unaffected
… +1 more rows
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I. Basic Information for CVE-2022-50441

Vulnerability Information
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Vulnerability Title
net/mlx5: Lag, fix failure to cancel delayed bond work
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Lag, fix failure to cancel delayed bond work Commit 0d4e8ed139d8 ("net/mlx5: Lag, avoid lockdep warnings") accidentally removed a call to cancel delayed bond work thus it may cause queued delay to expire and fall on an already destroyed work queue. Fix by restoring the call cancel_delayed_work_sync() before destroying the workqueue. This prevents call trace such as this: [ 329.230417] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 329.231444] #PF: supervisor write access in kernel mode [ 329.232233] #PF: error_code(0x0002) - not-present page [ 329.233007] PGD 0 P4D 0 [ 329.233476] Oops: 0002 [#1] SMP [ 329.234012] CPU: 5 PID: 145 Comm: kworker/u20:4 Tainted: G OE 6.0.0-rc5_mlnx #1 [ 329.235282] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 [ 329.236868] Workqueue: mlx5_cmd_0000:08:00.1 cmd_work_handler [mlx5_core] [ 329.237886] RIP: 0010:_raw_spin_lock+0xc/0x20 [ 329.238585] Code: f0 0f b1 17 75 02 f3 c3 89 c6 e9 6f 3c 5f ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 0f 1f 44 00 00 31 c0 ba 01 00 00 00 <f0> 0f b1 17 75 02 f3 c3 89 c6 e9 45 3c 5f ff 0f 1f 44 00 00 0f 1f [ 329.241156] RSP: 0018:ffffc900001b0e98 EFLAGS: 00010046 [ 329.241940] RAX: 0000000000000000 RBX: ffffffff82374ae0 RCX: 0000000000000000 [ 329.242954] RDX: 0000000000000001 RSI: 0000000000000014 RDI: 0000000000000000 [ 329.243974] RBP: ffff888106ccf000 R08: ffff8881004000c8 R09: ffff888100400000 [ 329.244990] R10: 0000000000000000 R11: ffffffff826669f8 R12: 0000000000002000 [ 329.246009] R13: 0000000000000005 R14: ffff888100aa7ce0 R15: ffff88852ca80000 [ 329.247030] FS: 0000000000000000(0000) GS:ffff88852ca80000(0000) knlGS:0000000000000000 [ 329.248260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 329.249111] CR2: 0000000000000000 CR3: 000000016d675001 CR4: 0000000000770ee0 [ 329.250133] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 329.251152] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 329.252176] PKRU: 55555554
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，该漏洞源于未取消延迟绑定工作，可能导致空指针取消引用。
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 ff24a802204620214afa75a5e64280f40015e399 ~ 5df57bb04e91add52fb67e226209df9a17f06a89 -
Linux Linux 6.1 -

II. Public POCs for CVE-2022-50441

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III. Intelligence Information for CVE-2022-50441

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Same Patch Batch · Linux · 2025-10-01 · 169 CVEs total

CVE-2023-53517 9.8 CRITICAL tipc: do not update mtu if msg_max is too small in mtu negotiation
CVE-2023-53454 8.8 HIGH HID: multitouch: Correct devm device reference for hidinput input_dev name
CVE-2025-39918 8.8 HIGH wifi: mt76: fix linked list corruption
CVE-2025-39919 8.8 HIGH wifi: mt76: mt7996: add missing check for rx wcid entries
CVE-2023-53493 8.4 HIGH accel/qaic: tighten bounds checking in decode_message()
CVE-2022-50442 8.4 HIGH fs/ntfs3: Validate buffer length while parsing index
CVE-2023-53465 7.8 HIGH soundwire: qcom: fix storing port config out-of-bounds
CVE-2023-53485 7.8 HIGH fs: jfs: Fix UBSAN: array-index-out-of-bounds in dbAllocDmapLev
CVE-2023-53490 7.8 HIGH mptcp: fix disconnect vs accept race
CVE-2022-50454 7.8 HIGH drm/nouveau: fix a use-after-free in nouveau_gem_prime_import_sg_table()
CVE-2025-39924 7.8 HIGH erofs: fix invalid algorithm for encoded extents
CVE-2023-53510 7.8 HIGH scsi: ufs: core: Fix handling of lrbp->cmd
CVE-2025-39927 7.8 HIGH ceph: fix race condition validating r_parent before applying state
CVE-2023-53506 7.8 HIGH udf: Do not bother merging very long extents
CVE-2022-50421 7.8 HIGH rpmsg: char: Avoid double destroy of default endpoint
CVE-2022-50437 7.8 HIGH drm/msm/hdmi: fix memory corruption with too many bridges
CVE-2023-53495 7.8 HIGH net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc()
CVE-2023-53494 7.8 HIGH crypto: xts - Handle EBUSY correctly
CVE-2022-50432 7.8 HIGH kernfs: fix use-after-free in __kernfs_remove
CVE-2023-53492 7.8 HIGH netfilter: nf_tables: do not ignore genmask when looking up chain by id

Showing top 20 of 169 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50441

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