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kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation

🗓️ 30 May 2023 15:08:21Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Netfilter use-after-free in nf_tables during batch requests enables arbitrary reads and writes in kernel memory by a local user.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8ppc64lekpatch-patch-4_18_0-477_10_11-1.el8_8kpatch-patch-4_18_0-477_10_1-1-1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64kpatch-patch-4_18_0-477_10_11-1.el8_8kpatch-patch-4_18_0-477_10_1-1-1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lekpatch-patch-4_18_0-477_10_1-debuginfo1-1.el8_8kpatch-patch-4_18_0-477_10_1-debuginfo-1-1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64kpatch-patch-4_18_0-477_10_1-debuginfo1-1.el8_8kpatch-patch-4_18_0-477_10_1-debuginfo-1-1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lekpatch-patch-4_18_0-477_10_1-debugsource1-1.el8_8kpatch-patch-4_18_0-477_10_1-debugsource-1-1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64kpatch-patch-4_18_0-477_10_1-debugsource1-1.el8_8kpatch-patch-4_18_0-477_10_1-debugsource-1-1.el8_8.x86_64.rpm

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28 Jun 2026 12:39Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17.8
EPSS0.12966
SSVC
CWE-416
netfilternf tablesuse after freebatch requestskernel memoryprivilege escalationlocal usernetwork administrator capability
5