Vulnerability · Published Apr 5, 2023 · Assigned by redhat

CVE-2023-1855

Medium 6.3

In plain English

A medium-severity use-after-free in Kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.2%top 85.9% 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 xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system due to a race problem. This vulnerability could even lead to a kernel information leak problem.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-abi-stablelists4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-core4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-cross-headers4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-debug4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-debug-core4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-debug-devel4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-debug-modules4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-debug-modules-extra4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-devel4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-doc4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-headers4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-modules4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-modules-extra4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-tools4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-tools-libs4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-tools-libs-devel4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-zfcpdump4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-zfcpdump-core4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-zfcpdump-devel4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-zfcpdump-modules4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8perf4.18.0-513.5.1.el8_9ALSA-2023:7077
AlmaLinux:8python3-perf4.18.0-513.5.1.el8_9ALSA-2023:7077
Debian:12linux6.1.20-2DEBIAN-CVE-2023-1855
Debian:13linux6.1.20-2DEBIAN-CVE-2023-1855
Debian:14linux6.1.20-2DEBIAN-CVE-2023-1855
Ubuntu:22.04:LTSlinux5.15.0-79.86USN-6300-1
Ubuntu:22.04:LTSlinux5.15.0-79.86UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-aws5.15.0-1042.47UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-aws5.15.0-1042.47USN-6300-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-azure5.15.0-1045.52USN-6332-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1045.52UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1044.51.1UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1045.52.1USN-6332-1
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-gcp5.15.0-1039.47USN-6300-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1039.47UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-gke5.15.0-1039.44USN-6311-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1039.44UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1025.30USN-6311-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1025.30UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-ibm5.15.0-1035.38UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-ibm5.15.0-1035.38USN-6300-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1037.42UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1037.42USN-6300-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1039.44USN-6300-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1039.44UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-79.88USN-6300-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-79.88UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1030.30UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1030.30USN-6300-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1016.16UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1002.2UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1009.9USN-6033-1
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1009.9UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-oracle5.15.0-1040.46USN-6300-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1040.46UBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-raspi5.15.0-1035.38USN-6300-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1035.38UBUNTU-CVE-2023-1855
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-1855
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1025.29UBUNTU-CVE-2023-1855

Affected products (as reported)

VendorProductVersions
n/a Kernel Linux kernel prior to Kernel 6.3 RC3

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

References