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Vulnerability · Published Nov 23, 2023 · Assigned by redhat

CVE-2023-5972Kernel: the nfta_inner_num and nfta_expr_name netlink attributes accessed without checking its presence in nft_inner.c

High 7.0

In plain English

A high-severity null pointer dereference in Fedora from Fedora. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.3%top 79.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A null pointer dereference flaw was found in the nft_inner.c functionality of netfilter in the Linux kernel. This issue could allow a local user to crash the system or escalate their privileges on the system.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.5.10-1DEBIAN-CVE-2023-5972
Debian:14linux6.5.10-1DEBIAN-CVE-2023-5972
Ubuntu:24.04:LTSlinux6.6.0-14.14UBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-17.17~22.04.1USN-6624-1
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-17.17~22.04.1UBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-17.17.1.1.1~22.04.1UBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-17.17.1.1.1~22.04.1USN-6624-1
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1014.14UBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1014.15USN-6624-1
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1014.15UBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-5972
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-5972
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-5972

Affected products (as reported)

VendorProductVersions
n/a kernel see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Fedora Fedora see references

Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References