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kernel: ipv4: NULL pointer dereference in ipv4_send_dest_unreach()

🗓️ 22 May 2024 10:03:03Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Kernel ipv4 NULL pointer dereference in ipv4_send_dest_unreach when the buffer is rerouted by the ip virtual server.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10aarch64bpftool4.18.0-553.el8_10bpftool-4.18.0-553.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lebpftool4.18.0-553.el8_10bpftool-4.18.0-553.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xbpftool4.18.0-553.el8_10bpftool-4.18.0-553.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64bpftool4.18.0-553.el8_10bpftool-4.18.0-553.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64bpftool-debuginfo4.18.0-553.el8_10bpftool-debuginfo-4.18.0-553.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lebpftool-debuginfo4.18.0-553.el8_10bpftool-debuginfo-4.18.0-553.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xbpftool-debuginfo4.18.0-553.el8_10bpftool-debuginfo-4.18.0-553.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64bpftool-debuginfo4.18.0-553.el8_10bpftool-debuginfo-4.18.0-553.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64kernel4.18.0-553.el8_10kernel-4.18.0-553.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lekernel4.18.0-553.el8_10kernel-4.18.0-553.el8_10.ppc64le.rpm
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21 Jul 2026 18:58Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.15.5
EPSS0.00406
CWE-476
ipv4 null dereferenceipv4_send_dest_unreachsocket buffer routingip virtual serverlocal privilege crash
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