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kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

🗓️ 27 Apr 2026 10:34:03Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Use-after-free in nf_tables_addchain() enables DoS or privilege escalation for local CAP_NET_ADMIN or remote traffic.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel-rt3.10.0-1160.148.1.rt56.1300.el7kernel-rt-3.10.0-1160.148.1.rt56.1300.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug3.10.0-1160.148.1.rt56.1300.el7kernel-rt-debug-3.10.0-1160.148.1.rt56.1300.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-debuginfo3.10.0-1160.148.1.rt56.1300.el7kernel-rt-debug-debuginfo-3.10.0-1160.148.1.rt56.1300.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel3.10.0-1160.148.1.rt56.1300.el7kernel-rt-debug-devel-3.10.0-1160.148.1.rt56.1300.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo3.10.0-1160.148.1.rt56.1300.el7kernel-rt-debuginfo-3.10.0-1160.148.1.rt56.1300.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_643.10.0-1160.148.1.rt56.1300.el7kernel-rt-debuginfo-common-x86_64-3.10.0-1160.148.1.rt56.1300.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel3.10.0-1160.148.1.rt56.1300.el7kernel-rt-devel-3.10.0-1160.148.1.rt56.1300.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-rt-doc3.10.0-1160.148.1.rt56.1300.el7kernel-rt-doc-3.10.0-1160.148.1.rt56.1300.el7.noarch.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace3.10.0-1160.148.1.rt56.1300.el7kernel-rt-trace-3.10.0-1160.148.1.rt56.1300.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace-debuginfo3.10.0-1160.148.1.rt56.1300.el7kernel-rt-trace-debuginfo-3.10.0-1160.148.1.rt56.1300.el7.x86_64.rpm
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12 Jul 2026 02:58Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.8
EPSS0.00788
SSVC
7