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Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic

🗓️ 13 May 2020 07:47:08Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Null pointer dereference in Linux kernel IP Security Option handling can crash the system and cause denial of service.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8ppc64lekpatch-patch-4_18_0-1931-2.el8kpatch-patch-4_18_0-193-1-2.el8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64kpatch-patch-4_18_0-1931-2.el8kpatch-patch-4_18_0-193-1-2.el8.x86_64.rpm
Red Hat Enterprise Linux8ppc64lekpatch-patch-4_18_0-193-debuginfo1-2.el8kpatch-patch-4_18_0-193-debuginfo-1-2.el8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64kpatch-patch-4_18_0-193-debuginfo1-2.el8kpatch-patch-4_18_0-193-debuginfo-1-2.el8.x86_64.rpm
Red Hat Enterprise Linux8ppc64lekpatch-patch-4_18_0-193-debugsource1-2.el8kpatch-patch-4_18_0-193-debugsource-1-2.el8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64kpatch-patch-4_18_0-193-debugsource1-2.el8kpatch-patch-4_18_0-193-debugsource-1-2.el8.x86_64.rpm

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28 Jun 2026 12:13Current
7High risk
Vulners AI Score7
CVSS 24.3
CVSS 3.15.9
EPSS0.03097
CWE-476
Null pointerIP Security OptionBitmap importKernel crashDenial of serviceRemote attacker
3