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kernel: RDMA/core: Make sure "ib_port" is valid when access sysfs node

🗓️ 14 Nov 2023 15:46:57Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Kernel RDMA sysfs access may dereference a NULL ib_port during port removal, causing a crash.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.9aarch64bpftool4.18.0-513.5.1.el8_9bpftool-4.18.0-513.5.1.el8_9.aarch64.rpm
Red Hat Enterprise Linux8.9ppc64lebpftool4.18.0-513.5.1.el8_9bpftool-4.18.0-513.5.1.el8_9.ppc64le.rpm
Red Hat Enterprise Linux8.9s390xbpftool4.18.0-513.5.1.el8_9bpftool-4.18.0-513.5.1.el8_9.s390x.rpm
Red Hat Enterprise Linux8.9x86_64bpftool4.18.0-513.5.1.el8_9bpftool-4.18.0-513.5.1.el8_9.x86_64.rpm
Red Hat Enterprise Linux8.9aarch64bpftool-debuginfo4.18.0-513.5.1.el8_9bpftool-debuginfo-4.18.0-513.5.1.el8_9.aarch64.rpm
Red Hat Enterprise Linux8.9ppc64lebpftool-debuginfo4.18.0-513.5.1.el8_9bpftool-debuginfo-4.18.0-513.5.1.el8_9.ppc64le.rpm
Red Hat Enterprise Linux8.9s390xbpftool-debuginfo4.18.0-513.5.1.el8_9bpftool-debuginfo-4.18.0-513.5.1.el8_9.s390x.rpm
Red Hat Enterprise Linux8.9x86_64bpftool-debuginfo4.18.0-513.5.1.el8_9bpftool-debuginfo-4.18.0-513.5.1.el8_9.x86_64.rpm
Red Hat Enterprise Linux8.9aarch64kernel4.18.0-513.5.1.el8_9kernel-4.18.0-513.5.1.el8_9.aarch64.rpm
Red Hat Enterprise Linux8.9ppc64lekernel4.18.0-513.5.1.el8_9kernel-4.18.0-513.5.1.el8_9.ppc64le.rpm
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21 Jul 2026 19:26Current
7.1High risk
Vulners AI Score7.1
CVSS 3.15.5
EPSS0.00145
2