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kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy

🗓️ 22 Dec 2025 17:04:29Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Kernel fix: move security inode allocation before this_cpu_inc(nr_inodes) to prevent memory corruption in nilfs_mdt_destroy from uninitialized inode private data.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel-rt0:3.10.0-1160.144.1.rt56.1296.el7kernel-rt-0:3.10.0-1160.144.1.rt56.1296.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug0:3.10.0-1160.144.1.rt56.1296.el7kernel-rt-debug-0:3.10.0-1160.144.1.rt56.1296.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-debuginfo0:3.10.0-1160.144.1.rt56.1296.el7kernel-rt-debug-debuginfo-0:3.10.0-1160.144.1.rt56.1296.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel0:3.10.0-1160.144.1.rt56.1296.el7kernel-rt-debug-devel-0:3.10.0-1160.144.1.rt56.1296.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo0:3.10.0-1160.144.1.rt56.1296.el7kernel-rt-debuginfo-0:3.10.0-1160.144.1.rt56.1296.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_640:3.10.0-1160.144.1.rt56.1296.el7kernel-rt-debuginfo-common-x86_64-0:3.10.0-1160.144.1.rt56.1296.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel0:3.10.0-1160.144.1.rt56.1296.el7kernel-rt-devel-0:3.10.0-1160.144.1.rt56.1296.el7.x86_64.rpm
Red Hat Enterprise Linux7anykernel-rt-doc0:3.10.0-1160.144.1.rt56.1296.el7.noarchkernel-rt-doc-0:3.10.0-1160.144.1.rt56.1296.el7.noarch.noarch.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace0:3.10.0-1160.144.1.rt56.1296.el7kernel-rt-trace-0:3.10.0-1160.144.1.rt56.1296.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace-debuginfo0:3.10.0-1160.144.1.rt56.1296.el7kernel-rt-trace-debuginfo-0:3.10.0-1160.144.1.rt56.1296.el7.x86_64.rpm
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30 Jun 2026 03:32Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.8
EPSS0.00206
SSVC
CWE-416
kernelnilfs mdt destroysecurity inode allocationinode private datamemory corruption
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