CVE-2023-4147
Kernel: netfilter: nf_tables_newrule when adding a rule with nfta_rule_chain_id leads to use-after-free
Vexday Risk Score
21Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 7.8EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Ciclo de vida
07 ago 2023Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Support¿Quieres saber si tu infraestructura está expuesta a esto?
Hablar con TrueHacking →Referencias
https://access.redhat.com/errata/RHSA-2023:5069https://access.redhat.com/errata/RHSA-2023:5091https://access.redhat.com/errata/RHSA-2023:5093https://access.redhat.com/errata/RHSA-2023:7382https://access.redhat.com/errata/RHSA-2023:7389https://access.redhat.com/errata/RHSA-2023:7411https://access.redhat.com/security/cve/CVE-2023-4147https://bugzilla.redhat.com/show_bug.cgi?id=2225239https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ebc1064e4874d5987722a2ddbc18f94aa53b211https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlhttps://security.netapp.com/advisory/ntap-20231020-0006/https://www.debian.org/security/2023/dsa-5480