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CVE-2025-40125 blk-mq: check kobject state_in_sysfs before deleting in blk_mq_unregister_hctx

🗓️ 12 Nov 2025 10:23:20Reported by GoogleType 
osv
 osv🔗 osv.dev👁 2 Views

Fix blk-mq: check kobject state in sysfs before deletion when registering hctxs.

Related
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1253)
28 Oct 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2025-1254)
28 Oct 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-112 (ALASKERNEL-5.10-2026-112)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-095 (ALASKERNEL-5.15-2025-095)
8 Dec 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2025-114 (ALASKERNEL-5.4-2025-114)
10 Nov 202500:00
–nessus
Tenable Nessus		Debian dla-4379 : linux-config-6.1 - security update
25 Nov 202500:00
–nessus
Tenable Nessus		Debian dla-4404 : ata-modules-5.10.0-35-armmp-di - security update
12 Dec 202500:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1244)
10 Mar 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1280)
10 Mar 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-1366)
16 Mar 202600:00
–nessus
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02 Apr 2026 12:48Current
6.2Medium risk
Vulners AI Score6.2
EPSS0.00058
block multi queuekobject statesysfs creationhctx registrationkobject deletionkernel warninghardware queues
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