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ext4: guard against EA inode refcount underflow in xattr update

🗓️ 14 Nov 2025 09:02:30Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 2 Views

Ext4 patch guards against extended attribute inode reference count underflow during xattr updates.

Related
Detection
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1297)
9 Dec 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2025-1316)
9 Dec 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-112 (ALASKERNEL-5.10-2026-112)
19 Feb 202600:00
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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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Vulners
Node
microsoftazl3_kernel_6.6.112.1-2Range<6.6.117.1-1

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07 Dec 2025 09:52Current
7High risk
Vulners AI Score7
CVSS 3.17.1
EPSS0.00076
ext4 filesysteminode reference countunderflow protectionextended attributes update
2