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

🗓️ 12 Feb 2026 01:06:38Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 10 Views

Kernel mqprio fix caps queue index to one less than maximum to prevent stack out-of-bounds in tc entry parsing.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.4aarch64bpftool7.3.0-427.110.1.el9_4bpftool-7.3.0-427.110.1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lebpftool7.3.0-427.110.1.el9_4bpftool-7.3.0-427.110.1.el9_4.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xbpftool7.3.0-427.110.1.el9_4bpftool-7.3.0-427.110.1.el9_4.s390x.rpm
Red Hat Enterprise Linux9.4x86_64bpftool7.3.0-427.110.1.el9_4bpftool-7.3.0-427.110.1.el9_4.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64bpftool-debuginfo7.3.0-427.110.1.el9_4bpftool-debuginfo-7.3.0-427.110.1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lebpftool-debuginfo7.3.0-427.110.1.el9_4bpftool-debuginfo-7.3.0-427.110.1.el9_4.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xbpftool-debuginfo7.3.0-427.110.1.el9_4bpftool-debuginfo-7.3.0-427.110.1.el9_4.s390x.rpm
Red Hat Enterprise Linux9.4x86_64bpftool-debuginfo7.3.0-427.110.1.el9_4bpftool-debuginfo-7.3.0-427.110.1.el9_4.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64kernel5.14.0-427.110.1.el9_4kernel-5.14.0-427.110.1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lekernel5.14.0-427.110.1.el9_4kernel-5.14.0-427.110.1.el9_4.ppc64le.rpm
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30 Jun 2026 03:33Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.8
EPSS0.00154
SSVC
10