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kernel: In pfkey_dump() dplen and splen can both be specified to access the xfrm_address_t structure out of bounds

🗓️ 18 May 2021 15:49:33Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

A flaw in the Linux kernel pfkey_dump leaks kernel information by abusing dplen and splen.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64bpftool4.18.0-305.el8bpftool-4.18.0-305.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool4.18.0-305.el8bpftool-4.18.0-305.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool4.18.0-305.el8bpftool-4.18.0-305.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool4.18.0-305.el8bpftool-4.18.0-305.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64bpftool-debuginfo4.18.0-305.el8bpftool-debuginfo-4.18.0-305.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool-debuginfo4.18.0-305.el8bpftool-debuginfo-4.18.0-305.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool-debuginfo4.18.0-305.el8bpftool-debuginfo-4.18.0-305.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool-debuginfo4.18.0-305.el8bpftool-debuginfo-4.18.0-305.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64kernel4.18.0-305.el8kernel-4.18.0-305.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lekernel4.18.0-305.el8kernel-4.18.0-305.el8.ppc64le.rpm
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28 Jun 2026 08:49Current
7.1High risk
Vulners AI Score7.1
CVSS 3.14.4
CVSS 24.9
EPSS0.00201
4