PT-2023-4322 · Linux+7 · Linux Kernel+7
Kevin Rich
·
Publicado
2023-07-23
·
Atualizado
2025-01-09
·
CVE-2023-4147
CVSS v3.1
7.8
Alta
| Vetor | AV: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.
Exploit
Use After Free
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Identificadores relacionados
Produtos afetados
Alt Linux
Almalinux
Astra Linux
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse