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kernel: bpf: prevent decl_tag from being referenced in func_proto

🗓️ 07 Nov 2023 09:03:12Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Linux kernel BPF Type Format flaw lets func_proto return decl_tag, causing denial of service via bpf syscall.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.3aarch64bpftool7.2.0-362.8.1.el9_3bpftool-7.2.0-362.8.1.el9_3.aarch64.rpm
Red Hat Enterprise Linux9.3ppc64lebpftool7.2.0-362.8.1.el9_3bpftool-7.2.0-362.8.1.el9_3.ppc64le.rpm
Red Hat Enterprise Linux9.3s390xbpftool7.2.0-362.8.1.el9_3bpftool-7.2.0-362.8.1.el9_3.s390x.rpm
Red Hat Enterprise Linux9.3x86_64bpftool7.2.0-362.8.1.el9_3bpftool-7.2.0-362.8.1.el9_3.x86_64.rpm
Red Hat Enterprise Linux9.3aarch64bpftool-debuginfo7.2.0-362.8.1.el9_3bpftool-debuginfo-7.2.0-362.8.1.el9_3.aarch64.rpm
Red Hat Enterprise Linux9.3ppc64lebpftool-debuginfo7.2.0-362.8.1.el9_3bpftool-debuginfo-7.2.0-362.8.1.el9_3.ppc64le.rpm
Red Hat Enterprise Linux9.3s390xbpftool-debuginfo7.2.0-362.8.1.el9_3bpftool-debuginfo-7.2.0-362.8.1.el9_3.s390x.rpm
Red Hat Enterprise Linux9.3x86_64bpftool-debuginfo7.2.0-362.8.1.el9_3bpftool-debuginfo-7.2.0-362.8.1.el9_3.x86_64.rpm
Red Hat Enterprise Linux9.3aarch64kernel5.14.0-362.8.1.el9_3kernel-5.14.0-362.8.1.el9_3.aarch64.rpm
Red Hat Enterprise Linux9.3ppc64lekernel5.14.0-362.8.1.el9_3kernel-5.14.0-362.8.1.el9_3.ppc64le.rpm
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21 Aug 2026 20:05Current
5.7Medium risk
Vulners AI Score5.7
EPSS0.00181
7