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Fencer Vulns
high 7.8

CVE-2023-0179 json

A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel.

published 2023-03-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12268

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to the root user via arbitrary code execution.

Patch / fix

  • linux linux_kernel 5.10.164, 5.15.89, 6.1.7
  • linux Debian 14, Debian 13, Debian 12 6.1.7-1

debian advisories DEBIAN-CVE-2023-0179

  • linux Ubuntu 22.04 LTS 5.15.0-67.74
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1031.35
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1030.37
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1028.33
  • linux-ibm Ubuntu 22.04 LTS 5.15.0-1026.29
  • linux-kvm Ubuntu 22.04 LTS 5.15.0-1029.34
  • linux-azure Ubuntu 22.04 LTS 5.15.0-1034.41
  • linux-gkeop Ubuntu 22.04 LTS 5.15.0-1016.21

ubuntu advisories UBUNTU-CVE-2023-0179

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kpatch-patch-5_14_0-162_6_1 RHEL 9 1-2.el9_1
  • kpatch-patch-5_14_0-162_12_1 RHEL 9 1-1.el9_1
  • kernel RHEL 9 5.14.0-162.18.1.el9_1
  • perf RHEL 9 5.14.0-162.18.1.el9_1
  • bpftool RHEL 9 5.14.0-162.18.1.el9_1
  • kernel-core RHEL 9 5.14.0-162.18.1.el9_1
  • kernel-tools RHEL 9 5.14.0-162.18.1.el9_1
  • python3-perf RHEL 9 5.14.0-162.18.1.el9_1

red hat advisories RHSA-2023:1435RHSA-2023:1202RHSA-2023:1203RHSA-2023:1008RHSA-2023:0951RHSA-2023:0979

  • kernel-64kb SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS, Enterprise Storage 7.1 5.3.18-150300.59.204.1
  • kernel-syms SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.59.204.1
  • kernel-source SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.59.204.1
  • kernel-default SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Micro 5.2 +5 more 5.3.18-150300.59.204.1
  • kernel-preempt SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.59.204.1
  • kernel-obs-build SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.59.204.1
  • kernel-default-base SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Micro 5.2 +3 more 5.3.18-150300.59.204.1.150300.18.122.1
  • kernel-rt SLE Micro 5.2, SLE Micro 5.1 5.3.18-150300.208.1

suse advisories SUSE-SU-2025:01633-1SUSE-SU-2025:1574-1SUSE-SU-2025:1241-1SUSE-SU-2025:1195-1SUSE-SU-2025:1183-1SUSE-SU-2025:1176-1

  • kernel AlmaLinux 9 5.14.0-162.18.1.el9_1
  • perf AlmaLinux 9 5.14.0-162.18.1.el9_1
  • bpftool AlmaLinux 9 5.14.0-162.18.1.el9_1
  • kernel-core AlmaLinux 9 5.14.0-162.18.1.el9_1
  • kernel-tools AlmaLinux 9 5.14.0-162.18.1.el9_1
  • python3-perf AlmaLinux 9 5.14.0-162.18.1.el9_1
  • kernel-modules AlmaLinux 9 5.14.0-162.18.1.el9_1
  • kernel-zfcpdump AlmaLinux 9 5.14.0-162.18.1.el9_1

almalinux advisories ALSA-2023:0951ALSA-2023:0979

  • kernel Rocky Linux 9 5.14.0-162.18.1.el9_1.cloud
  • kernel-rt Rocky Linux 9 5.14.0-162.18.1.rt21.181.el9_1

rocky linux advisories RXSA-2023:0951RLSA-2023:0979

  • kernel CBL-Mariner 2.0 5.15.107.1-2

azure linux advisories AZL-25932

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-0179 updated cvss 7.8

kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan

  • Red Hat CodeReady Linux Builder (v. 9) kernel-debuginfo-common-s390x 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-aarch64 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-ppc64le 5.14.0-162.18.1.el9_1
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:0951
  • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-debuginfo-common-s390x 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-aarch64 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-ppc64le 5.14.0-70.49.1.el9_0
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:1202
  • Red Hat Enterprise Linux AppStream (v. 9) perf 5.14.0-162.18.1.el9_1, kernel-devel-matched 5.14.0-162.18.1.el9_1, kernel-debug-devel-matched 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-s390x 5.14.0-162.18.1.el9_1, kernel-zfcpdump-devel-matched 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.18.1.el9_1, +2 more
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:0951
  • Red Hat Enterprise Linux AppStream EUS (v.9.0) perf 5.14.0-70.49.1.el9_0, kernel-devel-matched 5.14.0-70.49.1.el9_0, kernel-debug-devel-matched 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.49.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.49.1.el9_0, +2 more
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:1202
  • Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-162.18.1.el9_1, bpftool 5.14.0-162.18.1.el9_1, kernel-core 5.14.0-162.18.1.el9_1, kernel-tools 5.14.0-162.18.1.el9_1, python3-perf 5.14.0-162.18.1.el9_1, kernel-modules 5.14.0-162.18.1.el9_1, +16 more
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:0951
  • Red Hat Enterprise Linux BaseOS EUS (v.9.0) kernel 5.14.0-70.49.1.el9_0, bpftool 5.14.0-70.49.1.el9_0, kernel-core 5.14.0-70.49.1.el9_0, kernel-tools 5.14.0-70.49.1.el9_0, python3-perf 5.14.0-70.49.1.el9_0, kernel-modules 5.14.0-70.49.1.el9_0, +19 more
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:1202
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-core 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-modules 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-core 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-modules 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-modules-extra 5.14.0-162.18.1.rt21.181.el9_1, +2 more
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:0979
  • Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-core 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-modules 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-core 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-modules 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-modules-extra 5.14.0-70.49.1.rt21.120.el9_0, +2 more
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:1203
show 3 more
  • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-kvm 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-core 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-modules 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-kvm 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-core 5.14.0-162.18.1.rt21.181.el9_1, +4 more
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:0979
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-kvm 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-core 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-modules 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-kvm 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-core 5.14.0-70.49.1.rt21.120.el9_0, +4 more
    fixed: vendor fix “This flaw can be mitigated by disabling unprivileged user namespaces will prevent exploitation: ~~~ sysctl -w kernel.unprivileged_userns_clone = 0 ~~~” RHSA-2023:1203
  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-23-166-10 updated cvss 7.8

Siemens SIMATIC S7-1500 TM MFP BIOS

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction

1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • seclists.org https://seclists.org/oss-sec/2023/q1/20 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • n/a kernel

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.