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kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove()

🗓️ 19 Sep 2023 08:06:11Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Netfilter use-after-free results from improper removal in nft_pipapo_remove, enabling privilege escalation.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8ppc64lekpatch-patch-4_18_0-477_10_10:1-3.el8_8kpatch-patch-4_18_0-477_10_1-0:1-3.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64kpatch-patch-4_18_0-477_10_10:1-3.el8_8kpatch-patch-4_18_0-477_10_1-0:1-3.el8_8.x86_64.rpm
Red Hat Enterprise Linux8ppc64lekpatch-patch-4_18_0-477_10_1-debuginfo0:1-3.el8_8kpatch-patch-4_18_0-477_10_1-debuginfo-0:1-3.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64kpatch-patch-4_18_0-477_10_1-debuginfo0:1-3.el8_8kpatch-patch-4_18_0-477_10_1-debuginfo-0:1-3.el8_8.x86_64.rpm
Red Hat Enterprise Linux8ppc64lekpatch-patch-4_18_0-477_10_1-debugsource0:1-3.el8_8kpatch-patch-4_18_0-477_10_1-debugsource-0:1-3.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64kpatch-patch-4_18_0-477_10_1-debugsource0:1-3.el8_8kpatch-patch-4_18_0-477_10_1-debugsource-0:1-3.el8_8.x86_64.rpm
Red Hat Enterprise Linux8ppc64lekpatch-patch-4_18_0-477_13_10:1-2.el8_8kpatch-patch-4_18_0-477_13_1-0:1-2.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64kpatch-patch-4_18_0-477_13_10:1-2.el8_8kpatch-patch-4_18_0-477_13_1-0:1-2.el8_8.x86_64.rpm
Red Hat Enterprise Linux8ppc64lekpatch-patch-4_18_0-477_13_1-debuginfo0:1-2.el8_8kpatch-patch-4_18_0-477_13_1-debuginfo-0:1-2.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8x86_64kpatch-patch-4_18_0-477_13_1-debuginfo0:1-2.el8_8kpatch-patch-4_18_0-477_13_1-debuginfo-0:1-2.el8_8.x86_64.rpm
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28 Jun 2026 12:40Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.8
EPSS0.0095
CWE-416
netfilteruse after freeimproper removalnft pipapo removeprivilege escalationlocal user
5