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kernel: net: atm: fix crash due to unvalidated vcc pointer in sigd_send()

🗓️ 14 Jul 2026 06:09:06Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Kernel ATM fix for crash from unvalidated vcc pointer in sigd_send, enabling DoS via signaling daemon.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10aarch64bpftool4.18.0-553.143.1.el8_10bpftool-4.18.0-553.143.1.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lebpftool4.18.0-553.143.1.el8_10bpftool-4.18.0-553.143.1.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xbpftool4.18.0-553.143.1.el8_10bpftool-4.18.0-553.143.1.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64bpftool4.18.0-553.143.1.el8_10bpftool-4.18.0-553.143.1.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64bpftool-debuginfo4.18.0-553.143.1.el8_10bpftool-debuginfo-4.18.0-553.143.1.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lebpftool-debuginfo4.18.0-553.143.1.el8_10bpftool-debuginfo-4.18.0-553.143.1.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xbpftool-debuginfo4.18.0-553.143.1.el8_10bpftool-debuginfo-4.18.0-553.143.1.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64bpftool-debuginfo4.18.0-553.143.1.el8_10bpftool-debuginfo-4.18.0-553.143.1.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64kernel4.18.0-553.143.1.el8_10kernel-4.18.0-553.143.1.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lekernel4.18.0-553.143.1.el8_10kernel-4.18.0-553.143.1.el8_10.ppc64le.rpm
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16 Jul 2026 01:51Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.5
EPSS0.00131
4