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kernel: bpf: Fix reference state management for synchronous callbacks

🗓️ 07 Nov 2023 09:03:12Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

BPF verifier flaw mismanages reference state for multi-run synchronous callbacks, causing leaks.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64bpftool0:7.2.0-362.8.1.el9_3bpftool-0:7.2.0-362.8.1.el9_3.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebpftool0:7.2.0-362.8.1.el9_3bpftool-0:7.2.0-362.8.1.el9_3.ppc64le.rpm
Red Hat Enterprise Linux9s390xbpftool0:7.2.0-362.8.1.el9_3bpftool-0:7.2.0-362.8.1.el9_3.s390x.rpm
Red Hat Enterprise Linux9x86_64bpftool0:7.2.0-362.8.1.el9_3bpftool-0:7.2.0-362.8.1.el9_3.x86_64.rpm
Red Hat Enterprise Linux9aarch64bpftool-debuginfo0:7.2.0-362.8.1.el9_3bpftool-debuginfo-0:7.2.0-362.8.1.el9_3.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebpftool-debuginfo0:7.2.0-362.8.1.el9_3bpftool-debuginfo-0:7.2.0-362.8.1.el9_3.ppc64le.rpm
Red Hat Enterprise Linux9s390xbpftool-debuginfo0:7.2.0-362.8.1.el9_3bpftool-debuginfo-0:7.2.0-362.8.1.el9_3.s390x.rpm
Red Hat Enterprise Linux9x86_64bpftool-debuginfo0:7.2.0-362.8.1.el9_3bpftool-debuginfo-0:7.2.0-362.8.1.el9_3.x86_64.rpm
Red Hat Enterprise Linux9aarch64kernel0:5.14.0-362.8.1.el9_3kernel-0:5.14.0-362.8.1.el9_3.aarch64.rpm
Red Hat Enterprise Linux9ppc64lekernel0:5.14.0-362.8.1.el9_3kernel-0:5.14.0-362.8.1.el9_3.ppc64le.rpm
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