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Vulnerability · Published Nov 9, 2023 · Assigned by redhat

CVE-2023-6039Kernel: use-after-free in drivers/net/usb/lan78xx.c in lan78xx_disconnect

Medium 5.5

In plain English

A medium-severity use-after-free 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 82.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A use-after-free flaw was found in lan78xx_disconnect in drivers/net/usb/lan78xx.c in the network sub-component, net/usb/lan78xx in the Linux Kernel. This flaw allows a local attacker to crash the system when the LAN78XX USB device detaches.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2023-6039
Debian:13linux6.4.11-1DEBIAN-CVE-2023-6039
Debian:14linux6.4.11-1DEBIAN-CVE-2023-6039
Ubuntu:22.04:LTSlinux5.15.0-94.104UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux5.15.0-94.104USN-6626-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-aws5.15.0-1053.58UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-aws5.15.0-1053.58USN-6626-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-aws-6.26.2.0-1017.17~22.04.1USN-6534-1
Ubuntu:22.04:LTSlinux-aws-6.26.2.0-1017.17~22.04.1UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-azure5.15.0-1056.64USN-6626-3
Ubuntu:22.04:LTSlinux-azure5.15.0-1056.64UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-azure-6.26.2.0-1018.18~22.04.1USN-6534-1
Ubuntu:22.04:LTSlinux-azure-6.26.2.0-1018.18~22.04.1UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1056.64.1UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1056.64.1USN-6626-3
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-azure-fde-6.26.2.0-1018.18~22.04.1.1USN-6534-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1051.59USN-6626-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1051.59UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-gke5.15.0-1050.55USN-6626-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1050.55UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1036.42UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1036.42USN-6626-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-hwe-6.26.2.0-39.40~22.04.1USN-6534-3
Ubuntu:22.04:LTSlinux-hwe-6.26.2.0-39.40~22.04.1UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-ibm5.15.0-1046.49UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-ibm5.15.0-1046.49USN-6626-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1047.53UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1047.53USN-6628-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1050.55UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-kvm5.15.0-1050.55USN-6626-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-94.104USN-6626-2
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-94.104UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.26.2.0-1018.18~22.04.1UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.26.2.0-1018.18~22.04.1USN-6534-3
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1044.44USN-6626-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1044.44UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-nvidia-6.26.2.0-1013.13USN-6534-3
Ubuntu:22.04:LTSlinux-nvidia-6.26.2.0-1013.13UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1022.22UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1009.9UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1036.36UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1036.36USN-6706-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1051.57UBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-oracle5.15.0-1051.57USN-6626-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1046.49USN-6626-2
Ubuntu:22.04:LTSlinux-raspi5.15.0-1046.49UBUNTU-CVE-2023-6039
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-6039
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1027.31UBUNTU-CVE-2023-6039

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-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References