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CVE-2022-50432 kernfs: fix use-after-free in __kernfs_remove

🗓️ 01 Oct 2025 11:42:10Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

Kernel fixes use-after-free in kernfs remove by acquiring an extra root reference to prevent race with kernfs drain.

Related
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2022-1888 (ALAS-2022-1888)
7 Dec 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-023 (ALASKERNEL-5.10-2022-023)
8 Dec 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2022-011 (ALASKERNEL-5.15-2022-011)
8 Dec 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-039 (ALASKERNEL-5.4-2022-039)
14 Dec 202200:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1212)
2 Feb 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1224)
2 Feb 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2026-1629)
18 Mar 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2026-1637)
18 Mar 202600:00
–nessus
Tenable Nessus		Photon OS 4.0: Linux PHSA-2021-4.0-0065
22 Jul 202100:00
–nessus
Tenable Nessus		SUSE SLES12 Security Update : kernel (SUSE-SU-2025:03614-1)
21 Oct 202500:00
–nessus
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02 Apr 2026 08:28Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.8
EPSS0.00017
kernfsuse after freeremove raceroot referencekernfs drainsyzkaller
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