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kernel: Linux kernel: Use-after-free vulnerability in page_pool_recycle_in_ring can lead to arbitrary code execution

🗓️ 25 Mar 2026 00:24:00Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

A use-after-free in the Linux kernel page pool recycle in ring allows a local attacker to cause memory access errors and potentially arbitrary code execution.

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Tenable Nessus		Debian dla-4476 : linux-config-6.1 - security update
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2x86_64kernel-rt5.14.0-284.161.1.rt14.446.el9_2kernel-rt-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2x86_64kernel-rt-core5.14.0-284.161.1.rt14.446.el9_2kernel-rt-core-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2x86_64kernel-rt-debug5.14.0-284.161.1.rt14.446.el9_2kernel-rt-debug-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2x86_64kernel-rt-debug-core5.14.0-284.161.1.rt14.446.el9_2kernel-rt-debug-core-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2x86_64kernel-rt-debug-debuginfo5.14.0-284.161.1.rt14.446.el9_2kernel-rt-debug-debuginfo-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2x86_64kernel-rt-debug-devel5.14.0-284.161.1.rt14.446.el9_2kernel-rt-debug-devel-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2x86_64kernel-rt-debug-kvm5.14.0-284.161.1.rt14.446.el9_2kernel-rt-debug-kvm-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2x86_64kernel-rt-debug-modules5.14.0-284.161.1.rt14.446.el9_2kernel-rt-debug-modules-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2x86_64kernel-rt-debug-modules-core5.14.0-284.161.1.rt14.446.el9_2kernel-rt-debug-modules-core-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2x86_64kernel-rt-debug-modules-extra5.14.0-284.161.1.rt14.446.el9_2kernel-rt-debug-modules-extra-5.14.0-284.161.1.rt14.446.el9_2.x86_64.rpm
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30 Jun 2026 03:36Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.8
EPSS0.00161
SSVC
CWE-825
linux kerneluse after freepage poolrecycle in ringlocal attackerarbitrary code executionmemory corruption
5