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Red Hat: CVE-2023-4147: kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (Multiple Advisories)

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Red Hat: CVE-2023-4147: kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/07/2023
Created
09/13/2023
Added
09/13/2023
Modified
09/03/2024

Description

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

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