CVE-2023-1095

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Summary

CVECVE-2023-1095
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-02-28 23:15:11 UTC
Updated2026-10-14 21:17:14 UTC
DescriptionIn nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this results in a NULL pointer dereference.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.002150000 probability, percentile 0.110410000 (date 2026-10-14)

Problem Types: CWE-476 | CWE-476 CWE-476

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1ADPDECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 9.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Linux Kernel Netfilter Subsystem. affected Fixed in 6.0-rc1 Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
netfilter: nf_tables: fix null deref due to zeroed list head · torvalds/linux@5800778 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch
2173973 – (CVE-2023-1095) CVE-2023-1095 kernel: netfilter: NULL pointer dereference in nf_tables due to zeroed list head af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160525 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2023-12232)
  • 181693 Debian Security Update for linux (CVE-2023-1095)
  • 199295 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-6031-1)
  • 199560 Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6001-1)
  • 199568 Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6013-1)
  • 199577 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6014-1)
  • 242147 Red Hat Update for kernel (RHSA-2023:5628)
  • 242151 Red Hat Update for kernel security (RHSA-2023:5627)
  • 242343 Red Hat Update for kernel (RHSA-2023:6813)
  • 378468 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-20230042)
  • 378473 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0021)
  • 378512 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0042)
  • 378710 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0079)
  • 390276 Oracle VM Server for x86 Security Update for kernel (OVMSA-2023-0007)
  • 672802 EulerOS Security Update for kernel (EulerOS-SA-2023-1551)
  • 672981 EulerOS Security Update for kernel (EulerOS-SA-2023-1848)
  • 673005 EulerOS Security Update for kernel (EulerOS-SA-2023-1873)
  • 673074 EulerOS Security Update for kernel (EulerOS-SA-2023-2193)
  • 673117 EulerOS Security Update for kernel (EulerOS-SA-2023-2152)
  • 673121 EulerOS Security Update for kernel (EulerOS-SA-2023-2296)
  • 673157 EulerOS Security Update for kernel (EulerOS-SA-2023-2272)
  • 753901 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:1803-1)
  • 753902 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:1800-1)
  • 753903 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:1801-1)
  • 753905 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:1811-1)
  • 753914 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:1848-1)
  • 754023 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2232-1)
  • 755851 SUSE Enterprise Linux Security Update for the linux kernel (SUSE-SU-2023:2646-1)
  • 905712 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (13822)
  • 905729 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (13808)
  • 906554 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (13808-1)
  • 906605 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (13808-3)
  • 906688 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (13822-3)
  • 906798 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (13808-5)

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