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kernel: Linux kernel: Use-after-free in proc_readdir_de() can lead to privilege escalation or denial of service.

🗓️ 09 Feb 2026 02:40:06Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Linux kernel use-after-free in proc_readdir_de enables privilege escalation or denial of service through concurrent /proc traversal.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64kernel0:5.14.0-611.30.1.el9_7kernel-0:5.14.0-611.30.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9ppc64lekernel0:5.14.0-611.30.1.el9_7kernel-0:5.14.0-611.30.1.el9_7.ppc64le.rpm
Red Hat Enterprise Linux9s390xkernel0:5.14.0-611.30.1.el9_7kernel-0:5.14.0-611.30.1.el9_7.s390x.rpm
Red Hat Enterprise Linux9x86_64kernel0:5.14.0-611.30.1.el9_7kernel-0:5.14.0-611.30.1.el9_7.x86_64.rpm
Red Hat Enterprise Linux9aarch64kernel-64k0:5.14.0-611.30.1.el9_7kernel-64k-0:5.14.0-611.30.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9aarch64kernel-64k-core0:5.14.0-611.30.1.el9_7kernel-64k-core-0:5.14.0-611.30.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9aarch64kernel-64k-debug0:5.14.0-611.30.1.el9_7kernel-64k-debug-0:5.14.0-611.30.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9aarch64kernel-64k-debug-core0:5.14.0-611.30.1.el9_7kernel-64k-debug-core-0:5.14.0-611.30.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9aarch64kernel-64k-debug-debuginfo0:5.14.0-611.30.1.el9_7kernel-64k-debug-debuginfo-0:5.14.0-611.30.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9aarch64kernel-64k-debug-devel0:5.14.0-611.30.1.el9_7kernel-64k-debug-devel-0:5.14.0-611.30.1.el9_7.aarch64.rpm
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