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Vulnerability · Published Aug 28, 2023 · Assigned by redhat

CVE-2023-4569Kernel: information leak in nft_set_catchall_flush in net/netfilter/nf_tables_api.c

Medium 5.5

In plain English

A medium-severity security flaw 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 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 81.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.52-1DSA-5492-1
Debian:12linux6.1.52-1DEBIAN-CVE-2023-4569
Debian:13linux6.4.13-1DEBIAN-CVE-2023-4569
Debian:14linux6.4.13-1DEBIAN-CVE-2023-4569
Ubuntu:22.04:LTSlinux5.15.0-84.93USN-6386-1
Ubuntu:22.04:LTSlinux5.15.0-84.93UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-aws5.15.0-1045.50UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-aws5.15.0-1045.50USN-6386-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-aws-6.26.2.0-1012.12~22.04.1UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-aws-6.26.2.0-1012.12~22.04.1USN-6383-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1047.54UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-azure5.15.0-1047.54USN-6386-1
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-azure-6.26.2.0-1012.12~22.04.1USN-6383-1
Ubuntu:22.04:LTSlinux-azure-6.26.2.0-1012.12~22.04.1UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1047.54.1UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1047.54.1USN-6386-1
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-azure-fde-6.26.2.0-1012.12~22.04.1.1USN-6383-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1042.50UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-gcp5.15.0-1042.50USN-6386-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-gcp-6.26.2.0-1014.14~22.04.1USN-6383-1
Ubuntu:22.04:LTSlinux-gcp-6.26.2.0-1014.14~22.04.1UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-gke5.15.0-1042.47USN-6386-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1042.47UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1028.33UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1028.33USN-6386-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-hwe-6.26.2.0-33.33~22.04.1USN-6383-1
Ubuntu:22.04:LTSlinux-hwe-6.26.2.0-33.33~22.04.1UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-ibm5.15.0-1038.41USN-6386-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1038.41UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1040.46USN-6386-3
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1040.46UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-kvm5.15.0-1042.47UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-kvm5.15.0-1042.47USN-6386-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-84.93USN-6386-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-84.93UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.26.2.0-1013.13~22.04.1UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.26.2.0-1013.13~22.04.1USN-6383-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1033.33USN-6386-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1033.33UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-nvidia-6.26.2.0-1011.11UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-nvidia-6.26.2.0-1011.11USN-6466-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1018.18UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1005.5UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-oem-6.06.0.0-1021.21UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-oem-6.06.0.0-1021.21USN-6385-1
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1022.22UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1022.22USN-6384-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1044.50UBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-oracle5.15.0-1044.50USN-6386-3
Ubuntu:22.04:LTSlinux-raspi5.15.0-1038.41USN-6386-2
Ubuntu:22.04:LTSlinux-raspi5.15.0-1038.41UBUNTU-CVE-2023-4569
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-4569
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1025.29UBUNTU-CVE-2023-4569

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-402 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References