PT-2023-4322
CVE-2023-4147
·
Published
2023-07-23
·
Updated
2025-01-09
Description by
CVSS 3.1
7.8
HighMetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
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. The issue is related to incorrect handling in the nf tables newrule() function in the net/netfilter/nf tables api.c module. Exploitation of this issue may impact the confidentiality, integrity, and availability of protected information.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
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