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kernel: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing

🗓️ 02 Feb 2026 09:30:38Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 8 Views

Kernel mqprio tc entry parsing fix prevents stack out-of-bounds write by limiting policy to one less than the maximum

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.7aarch64kernel5.14.0-611.27.1.el9_7kernel-5.14.0-611.27.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7ppc64lekernel5.14.0-611.27.1.el9_7kernel-5.14.0-611.27.1.el9_7.ppc64le.rpm
Red Hat Enterprise Linux9.7s390xkernel5.14.0-611.27.1.el9_7kernel-5.14.0-611.27.1.el9_7.s390x.rpm
Red Hat Enterprise Linux9.7x86_64kernel5.14.0-611.27.1.el9_7kernel-5.14.0-611.27.1.el9_7.x86_64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k5.14.0-611.27.1.el9_7kernel-64k-5.14.0-611.27.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-core5.14.0-611.27.1.el9_7kernel-64k-core-5.14.0-611.27.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-debug5.14.0-611.27.1.el9_7kernel-64k-debug-5.14.0-611.27.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-debug-core5.14.0-611.27.1.el9_7kernel-64k-debug-core-5.14.0-611.27.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-debug-debuginfo5.14.0-611.27.1.el9_7kernel-64k-debug-debuginfo-5.14.0-611.27.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-debug-devel5.14.0-611.27.1.el9_7kernel-64k-debug-devel-5.14.0-611.27.1.el9_7.aarch64.rpm
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30 Jun 2026 03:33Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.8
EPSS0.00154
SSVC
8