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kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe

🗓️ 25 Jan 2024 11:15:32Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Linux kernel verifier pruning flaw may mark unsafe paths safe, enabling reads writes and privilege escalation.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2ppc64lebpftool0:4.18.0-193.120.1.el8_2bpftool-0:4.18.0-193.120.1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64bpftool0:4.18.0-193.120.1.el8_2bpftool-0:4.18.0-193.120.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2ppc64lebpftool-debuginfo0:4.18.0-193.120.1.el8_2bpftool-debuginfo-0:4.18.0-193.120.1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64bpftool-debuginfo0:4.18.0-193.120.1.el8_2bpftool-debuginfo-0:4.18.0-193.120.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2ppc64lekernel0:4.18.0-193.120.1.el8_2kernel-0:4.18.0-193.120.1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64kernel0:4.18.0-193.120.1.el8_2kernel-0:4.18.0-193.120.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2noarchkernel-abi-whitelists0:4.18.0-193.120.1.el8_2kernel-abi-whitelists-0:4.18.0-193.120.1.el8_2.noarch.rpm
Red Hat Enterprise Linux8.2ppc64lekernel-core0:4.18.0-193.120.1.el8_2kernel-core-0:4.18.0-193.120.1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64kernel-core0:4.18.0-193.120.1.el8_2kernel-core-0:4.18.0-193.120.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2ppc64lekernel-debug0:4.18.0-193.120.1.el8_2kernel-debug-0:4.18.0-193.120.1.el8_2.ppc64le.rpm
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12 Jul 2026 14:20Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.18.8 - 10
EPSS0.03546
SSVC
4