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TI-2023-00173 Aliases CVE-2023-0179

Integer overflow in kernel

Priority MEDIUM 40CWE-190Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01944 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 6 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—kernelunknown—No fix listedCNA
  • kernel Vendor— Affected unknown Fixed in — No fix listed CNA

CPE configurations NVD · 24

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*5.5.0 to before 5.10.164; 5.11 to before 5.15.89; 5.16 to before 6.1.7VulnerableLinux
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*20.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*22.04VulnerableCanonical
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*36VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*37VulnerableFedoraproject
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.5.0 to before 5.10.164; 5.11 to before 5.15.89; 5.16 to before 6.1.7 Vulnerable ·Linux
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Versions 20.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* Versions 22.04 Vulnerable ·Canonical
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
Show 14 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_real_time:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*not specified by NVDVulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*9.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:*9.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:9.0:*:*:*:*:*:*:*9.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:9.0:*:*:*:*:*:*:*9.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0:*:*:*:*:*:*:*9.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.0:*:*:*:*:*:*:*9.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:9.0:*:*:*:*:*:*:*9.0Running onRed Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_real_time:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat

Remediation

Red Hat 6 advisories

  • RHSA-2023:1435 Released 2023-03-23 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) kpatch-patch-5_14_0-70_22_1-1-6.el9_0, kpatch-patch-5_14_0-70_26_1-1-5.el9_0, kpatch-patch-5_14_0-70_30_1-1-3.el9_0 +2
  • RHSA-2023:1202 Released 2023-03-14 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-tools-libs-devel-5.14.0-70.49.1.el9_0
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) kernel-debug-devel-5.14.0-70.49.1.el9_0, kernel-debug-devel-matched-5.14.0-70.49.1.el9_0, kernel-devel-5.14.0-70.49.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) bpftool-5.14.0-70.49.1.el9_0, kernel-5.14.0-70.49.1.el9_0, kernel-abi-stablelists-5.14.0-70.49.1.el9_0 +14
  • RHSA-2023:1203 Released 2023-03-14 · Red Hat rating Important
    kernel-rt security and bug fix update
    • 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-debug-5.14.0-70.49.1.rt21.120.el9_0 +7
    • 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-core-5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-5.14.0-70.49.1.rt21.120.el9_0 +9
Show 3 more Red Hat advisories
  • RHSA-2023:1008 Released 2023-02-28 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS (v. 9) kpatch-patch-5_14_0-162_12_1-1-1.el9_1, kpatch-patch-5_14_0-162_6_1-1-2.el9_1
  • RHSA-2023:0979 Released 2023-02-28 · Red Hat rating Important
    kernel-rt security and bug fix update
    • 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-debug-5.14.0-162.18.1.rt21.181.el9_1 +7
    • Red Hat Enterprise Linux Real Time for NFV (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-debug-5.14.0-162.18.1.rt21.181.el9_1 +9
  • RHSA-2023:0951 Released 2023-02-28 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-162.18.1.el9_1
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-debug-devel-5.14.0-162.18.1.el9_1, kernel-debug-devel-matched-5.14.0-162.18.1.el9_1, kernel-devel-5.14.0-162.18.1.el9_1 +5
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-5.14.0-162.18.1.el9_1, kernel-5.14.0-162.18.1.el9_1, kernel-abi-stablelists-5.14.0-162.18.1.el9_1 +14

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2023:0951
Red Hat CodeReady Linux Builder EUS (v.9.0)Fixed RHSA-2023:1202
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:0951
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2023:1202
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2023:0951, RHSA-2023:1008
Red Hat Enterprise Linux BaseOS EUS (v.9.0)Fixed RHSA-2023:1202, RHSA-2023:1435
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2023:0979
Red Hat Enterprise Linux Real Time EUS (v.9.0)Fixed RHSA-2023:1203
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2023:0979
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0)Fixed RHSA-2023:1203
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0179

References

Exploit 1

Advisory 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences