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kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values

🗓️ 25 Nov 2025 16:42:52Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 15 Views

Kernel ext4 bug allows local attackers to mount malicious image and trigger unpredictable behavior.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		CentOS Linux 7.9 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-whitelists / etc Multiple Vulnerabilities (ciqsa-2026_0653)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8.6 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (ciqsa-2026_0011)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (ciqsa-2026_0635)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crxsa-2024_3138)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 7 : kernel (ELSA-2026-0755)
19 Feb 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 7 : kernel (ELSA-2026-1581)
6 Mar 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 7 : kernel (ELSA-2026-3685)
25 Mar 202600:00
–nessus
nessus
Tenable Nessus		RHEL 8 : kernel (RHSA-2025:22006)
25 Nov 202500:00
–nessus
nessus
Tenable Nessus		RHEL 9 : kernel (RHSA-2025:22066)
25 Nov 202500:00
–nessus
nessus
Tenable Nessus		RHEL 8 : kernel (RHSA-2025:22072)
25 Nov 202500:00
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.0x86_64kernel-rt5.14.0-70.155.1.rt21.227.el9_0kernel-rt-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-core5.14.0-70.155.1.rt21.227.el9_0kernel-rt-core-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug5.14.0-70.155.1.rt21.227.el9_0kernel-rt-debug-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-core5.14.0-70.155.1.rt21.227.el9_0kernel-rt-debug-core-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-debuginfo5.14.0-70.155.1.rt21.227.el9_0kernel-rt-debug-debuginfo-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-devel5.14.0-70.155.1.rt21.227.el9_0kernel-rt-debug-devel-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-kvm5.14.0-70.155.1.rt21.227.el9_0kernel-rt-debug-kvm-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-modules5.14.0-70.155.1.rt21.227.el9_0kernel-rt-debug-modules-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-modules-extra5.14.0-70.155.1.rt21.227.el9_0kernel-rt-debug-modules-extra-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debuginfo5.14.0-70.155.1.rt21.227.el9_0kernel-rt-debuginfo-5.14.0-70.155.1.rt21.227.el9_0.x86_64.rpm
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19 Aug 2026 21:05Current
6.1Medium risk
Vulners AI Score6.1
CWE-190
kernel vulnerabilitylocal attackersmalicious imagemount vulnerabilityunpredictable behavior
15