Use-after-free in Linux kernel - CVE-2023-1195

Vulnerability identifier: #VU73784

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-1195

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the reconn_set_ipaddr_from_hostname() function in fs/cifs/connect.c in Linux kernel. A local user can perform a denial of service (DoS) attack.

Linux kernel
Oracle Linux
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Anolis OS
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
SUSE Real Time Module
Ubuntu
Red Hat Advanced Cluster Management for Kubernetes
OpenShift Logging
IBM Spectrum Protect Plus
IBM Spectrum Copy Data Management
Session Smart Router
Red Hat OpenShift Container Platform
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-devel
kernel-debug-modules-extra
kernel-headers
kernel-modules
kernel-tools
kernel-tools-libs
perf
python3-perf
kernel-abi-stablelists
kernel-modules-extra
kernel-debug-modules
kernel-debug-devel
kernel-debug-core
bpftool
kernel
kernel-core
kernel-cross-headers
kernel-debug
kernel-doc
kernel-rt-devel-debuginfo
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt-debuginfo
cluster-md-kmp-rt
dlm-kmp-rt
kernel-devel-rt
kernel-source-rt
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-devel
kernel-rt_debug-debuginfo
kernel-rt-debuginfo
kernel-rt
ocfs2-kmp-rt
kernel-rt_debug
dlm-kmp-rt-debuginfo
kernel-syms-rt
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-rt-debugsource
gfs2-kmp-rt
kernel-rt-devel
linux-image-virtual (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-5.19.0-38-generic-lpae (Ubuntu package)
linux-image-5.19.0-38-generic (Ubuntu package)
linux-image-5.19.0-38-generic-64k (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-generic-lpae-hwe-22.04 (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-5.19.0-1015-raspi-nolpae (Ubuntu package)
linux-image-5.19.0-1015-raspi (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-5.19.0-1019-gcp (Ubuntu package)
linux-image-5.19.0-1019-ibm (Ubuntu package)
linux-image-5.19.0-1019-oracle (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-5.19.0-1020-kvm (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-5.19.0-1021-lowlatency-64k (Ubuntu package)
linux-image-5.19.0-1021-lowlatency (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-5.19.0-1022-azure (Ubuntu package)
linux-image-5.19.0-1022-aws (Ubuntu package)
IBM Cloud Pak for Watson AIOps
IBM Storage Scale System

Install updates from vendor's website.

Linux kernel - update to 6.1 rc3
Red Hat Advanced Cluster Management for Kubernetes - addressed in versions 2.5.9, 2.6.6
Red Hat OpenShift Container Platform - addressed in versions 4.11.54, 4.12.47
OpenShift Logging - update to 5.7.2
IBM Spectrum Protect Plus - update to 10.1.15.1
IBM Spectrum Copy Data Management - update to 2.2.20.1
IBM Cloud Pak for Watson AIOps - update to 4.1
kernel (Red Hat package) - addressed in versions 4.18.0-477.10.1.el8_8, 5.14.0-70.85.1.el9_0, 5.14.0-284.11.1.el9_2
kernel-rt (Red Hat package) - addressed in versions 4.18.0-477.10.1.rt7.274.el8_8, 5.14.0-284.11.1.rt14.296.el9_2
kernel-devel - update to 4.18.0-477.10.1.0.1
kernel-debug-modules-extra - update to 4.18.0-477.10.1.0.1
kernel-headers - update to 4.18.0-477.10.1.0.1
kernel-modules - update to 4.18.0-477.10.1.0.1
kernel-tools - update to 4.18.0-477.10.1.0.1
kernel-tools-libs - update to 4.18.0-477.10.1.0.1
perf - update to 4.18.0-477.10.1.0.1
python3-perf - update to 4.18.0-477.10.1.0.1
kernel-abi-stablelists - update to 4.18.0-477.10.1.0.1
kernel-modules-extra - update to 4.18.0-477.10.1.0.1
kernel-debug-modules - update to 4.18.0-477.10.1.0.1
kernel-debug-devel - update to 4.18.0-477.10.1.0.1
kernel-debug-core - update to 4.18.0-477.10.1.0.1
bpftool - update to 4.18.0-477.10.1.0.1
kernel - update to 4.18.0-477.10.1.0.1
kernel-core - update to 4.18.0-477.10.1.0.1
kernel-cross-headers - update to 4.18.0-477.10.1.0.1
kernel-debug - update to 4.18.0-477.10.1.0.1
kernel-doc - update to 4.18.0-477.10.1.0.1
kernel-rt-devel-debuginfo - update to 5.3.18-150300.121.1
kernel-rt_debug-devel-debuginfo - update to 5.3.18-150300.121.1
gfs2-kmp-rt-debuginfo - update to 5.3.18-150300.121.1
cluster-md-kmp-rt - update to 5.3.18-150300.121.1
dlm-kmp-rt - update to 5.3.18-150300.121.1
kernel-devel-rt - update to 5.3.18-150300.121.1
kernel-source-rt - update to 5.3.18-150300.121.1
ocfs2-kmp-rt-debuginfo - update to 5.3.18-150300.121.1
kernel-rt_debug-devel - update to 5.3.18-150300.121.1
kernel-rt_debug-debuginfo - update to 5.3.18-150300.121.1
kernel-rt-debuginfo - update to 5.3.18-150300.121.1
kernel-rt - update to 5.3.18-150300.121.1
ocfs2-kmp-rt - update to 5.3.18-150300.121.1
kernel-rt_debug - update to 5.3.18-150300.121.1
dlm-kmp-rt-debuginfo - update to 5.3.18-150300.121.1
kernel-syms-rt - update to 5.3.18-150300.121.1
cluster-md-kmp-rt-debuginfo - update to 5.3.18-150300.121.1
kernel-rt_debug-debugsource - update to 5.3.18-150300.121.1
kernel-rt-debugsource - update to 5.3.18-150300.121.1
gfs2-kmp-rt - update to 5.3.18-150300.121.1
kernel-rt-devel - update to 5.3.18-150300.121.1
linux-image-virtual (Ubuntu package) - update to 5.19.0.38.34
linux-image-generic (Ubuntu package) - update to 5.19.0.38.34
linux-image-generic-lpae (Ubuntu package) - update to 5.19.0.38.34
linux-image-generic-64k (Ubuntu package) - update to 5.19.0.38.34
linux-image-5.19.0-38-generic-lpae (Ubuntu package) - addressed in versions 5.19.0-38.39, 5.19.0-38.39~22.04.1
linux-image-5.19.0-38-generic (Ubuntu package) - addressed in versions 5.19.0-38.39, 5.19.0-38.39~22.04.1
linux-image-5.19.0-38-generic-64k (Ubuntu package) - addressed in versions 5.19.0-38.39, 5.19.0-38.39~22.04.1
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 5.19.0.38.39~22.04.12
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 5.19.0.38.39~22.04.12
linux-image-generic-lpae-hwe-22.04 (Ubuntu package) - update to 5.19.0.38.39~22.04.12
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 5.19.0.38.39~22.04.12
linux-image-raspi (Ubuntu package) - update to 5.19.0.1015.14
linux-image-raspi-nolpae (Ubuntu package) - update to 5.19.0.1015.14
linux-image-5.19.0-1015-raspi-nolpae (Ubuntu package) - update to 5.19.0-1015.22
linux-image-5.19.0-1015-raspi (Ubuntu package) - update to 5.19.0-1015.22
linux-image-gcp (Ubuntu package) - update to 5.19.0.1019.16
linux-image-oracle (Ubuntu package) - update to 5.19.0.1019.16
linux-image-ibm (Ubuntu package) - update to 5.19.0.1019.16
linux-image-5.19.0-1019-gcp (Ubuntu package) - update to 5.19.0-1019.21
linux-image-5.19.0-1019-ibm (Ubuntu package) - update to 5.19.0-1019.21
linux-image-5.19.0-1019-oracle (Ubuntu package) - update to 5.19.0-1019.22
linux-image-kvm (Ubuntu package) - update to 5.19.0.1020.17
linux-image-5.19.0-1020-kvm (Ubuntu package) - update to 5.19.0-1020.21
linux-image-lowlatency (Ubuntu package) - update to 5.19.0.1021.17
linux-image-lowlatency-64k (Ubuntu package) - update to 5.19.0.1021.17
linux-image-5.19.0-1021-lowlatency-64k (Ubuntu package) - update to 5.19.0-1021.22
linux-image-5.19.0-1021-lowlatency (Ubuntu package) - update to 5.19.0-1021.22
linux-image-azure (Ubuntu package) - update to 5.19.0.1022.18
linux-image-aws (Ubuntu package) - update to 5.19.0.1022.19
linux-image-5.19.0-1022-azure (Ubuntu package) - update to 5.19.0-1022.23
linux-image-5.19.0-1022-aws (Ubuntu package) - update to 5.19.0-1022.23
IBM Storage Scale System - addressed in versions 6.1.2.8, 6.1.9.0
Session Smart Router - addressed in versions 6.2.3-r2, 6.2.10, 6.3.7

• https://bugzilla.redhat.com/show_bug.cgi?id=2154171
• https://github.com/torvalds/linux/commit/153695d36ead0ccc4d0256953c751cabf673e621

• Local denial of service in Linux kernel CIFS
• SUSE update for the Linux Kernel
• Ubuntu update for linux
• Ubuntu update for linux-hwe-5.19
• Red Hat Enterprise Linux 9 update for kernel
• Red Hat Enterprise Linux 9 update for kernel-rt
• Red Hat Enterprise Linux 8 update for kernel-rt
• Multiple vulnerabilities in Oracle Linux
• Multiple vulnerabilities in Red Hat Advanced Cluster Management for Kubernetes 2.6
• Red Hat Enterprise Linux 8 update for kernel
• Multiple vulnerabilities in Red Hat Advanced Cluster Management for Kubernetes 2.5
• Multiple vulnerabilities in Red Hat OpenShift Logging 5.7
• Multiple vulnerabilities in IBM Spectrum Copy Data Management
• Multiple vulnerabilities in IBM Spectrum Protect Plus
• Multiple vulnerabilities in IBM Cloud Pak for Watson AIOps
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.11
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.11
• IBM Storage Scale System update for Linux kernel
• Multiple vulnerabilities in Juniper Networks Session Smart Router
• Red Hat OpenShift Container Platform 4.12 update for golang
• Red Hat Enterprise Linux 9.0 Extended Update Support update for kernel
• Anolis OS update for kernel
• Juniper Session Smart Router update for third-party components