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CVE-2025-68821

🗓️ 15 Jan 2026 17:22:03Reported by redhat.comType 
redhatcve
 redhatcve🔗 access.redhat.com👁 1 Views

A flaw in the Linux kernel Filesystem in Userspace causes a system-wide deadlock due to improper inode handling during readahead when the server does not implement open.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2025-68821
13 Jan 202615:29
–attackerkb
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1423)
5 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1494)
30 Mar 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-098 (ALASKERNEL-5.15-2026-098)
6 Mar 202600:00
–nessus
Tenable Nessus		Debian dla-4476 : linux-config-6.1 - security update
11 Feb 202600:00
–nessus
Tenable Nessus		Debian dsa-6126 : ata-modules-6.12.31-armmp-di - security update
9 Feb 202600:00
–nessus
Tenable Nessus		Debian dsa-6127 : affs-modules-6.1.0-37-4kc-malta-di - security update
9 Feb 202600:00
–nessus
Tenable Nessus		openSUSE 16 Security Update : kernel (openSUSE-SU-2026:20287-1)
4 Mar 202600:00
–nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50112)
23 Feb 202600:00
–nessus
Tenable Nessus		Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50113)
17 Feb 202600:00
–nessus
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15 Jan 2026 17:38Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.5
EPSS0.00047
CWE-833
linux kernelfilesystem in userspaceinode handlingreadaheadopen functiondenial of service
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