Use-after-free in Linux kernel - CVE-2022-48919

Vulnerability identifier: #VU96413

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2022-48919

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Affected software:
Linux kernel
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server 11
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Real Time 12
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
openSUSE Leap Micro
SUSE Enterprise Storage
Red Hat Enterprise Linux for Real Time for NFV
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_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 Real Time
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Workstation Extension 12
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 Business Critical Linux
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 Business Critical Linux
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
Basesystem Module
Development Tools Module
SUSE Real Time Module
Legacy Module
Public Cloud Module
openSUSE Leap
IBM Integrated Analytics System
RecoverPoint for Virtual Machines
IBM Qradar SIEM
kgraft-patch-4_12_14-122_228-default
kernel-livepatch-5_3_18-150200_24_203-default-debuginfo
kernel-livepatch-5_3_18-150200_24_203-default
kernel-livepatch-SLE15-SP2_Update_52-debugsource
kernel-livepatch-5_3_18-150300_59_174-preempt-debuginfo
kernel-livepatch-5_3_18-150300_59_174-default
kernel-livepatch-5_3_18-150300_59_174-preempt
kernel-livepatch-SLE15-SP3_Update_48-debugsource
kernel-livepatch-5_3_18-150300_59_174-default-debuginfo
kernel-livepatch-5_14_21-150400_24_133-default-debuginfo
kernel-livepatch-5_14_21-150400_24_133-default
kernel-livepatch-SLE15-SP4_Update_31-debugsource
kernel-livepatch-5_14_21-150500_13_67-rt-debuginfo
kernel-livepatch-5_14_21-150500_13_67-rt
kernel-livepatch-SLE15-SP5-RT_Update_19-debugsource
kernel-livepatch-5_14_21-150500_55_80-default
kernel-livepatch-SLE15-SP5_Update_19-debugsource
kernel-livepatch-5_14_21-150500_55_80-default-debuginfo
kernel-trace-devel
kernel-xen-base
kernel-default-devel
kernel-default-base
kernel-default
kernel-xen
kernel-trace
kernel-ec2
kernel-trace-base
kernel-source
kernel-ec2-base
kernel-xen-devel
kernel-ec2-devel
kernel-syms
cluster-md-kmp-rt-debuginfo
kernel-rt-debugsource
ocfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-rt_debug-debuginfo
cluster-md-kmp-rt
dlm-kmp-rt
kernel-rt-devel
kernel-rt-base-debuginfo
kernel-rt_debug-debugsource
gfs2-kmp-rt
kernel-rt_debug
kernel-rt
kernel-source-rt
kernel-devel-rt
dlm-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
kernel-rt_debug-devel
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-devel-debuginfo
kernel-syms-rt
kernel-rt-base
kernel-azure-debuginfo
kernel-azure-devel
kernel-azure-base
kernel-azure
kernel-azure-debugsource
kernel-syms-azure
kernel-azure-base-debuginfo
kernel-devel-azure
kernel-source-azure
dlm-kmp-default
kernel-default-debugsource
kernel-default-debuginfo
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-base-debuginfo
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
gfs2-kmp-default
kernel-devel
kernel-macros
ocfs2-kmp-default-debuginfo
kernel-default-extra-debuginfo
kernel-default-kgraft-devel
kernel-default-kgraft
cluster-md-kmp-default
kernel-default-man
kernel-default-extra
kernel-docs
kernel-obs-build-debugsource
kernel-obs-build
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-debug-devel
kernel-abi-stablelists
kernel-debug-modules
kernel-debug-core
kernel-debug
kernel-cross-headers
kernel-core
kernel
bpftool
kernel-debug-modules-extra
kernel-headers
kernel-modules
kernel-doc
python3-perf
perf
kernel-tools-libs-devel
kernel-tools-libs
kernel-modules-extra
kernel-tools
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-preempt-devel-debuginfo
kernel-preempt-devel
kernel-preempt
kernel-preempt-debugsource
kernel-preempt-debuginfo
gfs2-kmp-64kb
dlm-kmp-64kb
dtb-arm
dtb-rockchip
ocfs2-kmp-64kb-debuginfo
dtb-cavium
dtb-marvell
dtb-allwinner
kselftests-kmp-64kb-debuginfo
dtb-sprd
kselftests-kmp-64kb
dtb-exynos
kernel-64kb-optional-debuginfo
dtb-renesas
kernel-64kb-devel-debuginfo
reiserfs-kmp-64kb
dtb-apm
cluster-md-kmp-64kb
dtb-al
dtb-nvidia
kernel-64kb
dtb-amlogic
kernel-64kb-debuginfo
kselftests-kmp-preempt
dtb-qcom
kernel-64kb-debugsource
dtb-hisilicon
kernel-64kb-livepatch-devel
dlm-kmp-64kb-debuginfo
dtb-xilinx
dtb-broadcom
dtb-altera
kernel-64kb-devel
gfs2-kmp-64kb-debuginfo
ocfs2-kmp-64kb
kernel-64kb-extra-debuginfo
dtb-amd
dtb-mediatek
kernel-default-optional
kernel-obs-qa
kselftests-kmp-default-debuginfo
kernel-debug-devel-debuginfo
kernel-source-vanilla
kernel-docs-html
kernel-kvmsmall
kernel-debug-debugsource
dtb-zte
kernel-debug-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-debug-livepatch-devel
kernel-zfcpdump-debugsource
ocfs2-kmp-preempt
kernel-preempt-optional-debuginfo
cluster-md-kmp-preempt
kselftests-kmp-preempt-debuginfo
kernel-preempt-extra-debuginfo
reiserfs-kmp-preempt
cluster-md-kmp-preempt-debuginfo
dlm-kmp-preempt-debuginfo
kernel-zfcpdump
kernel-zfcpdump-debuginfo
dtb-aarch64
dtb-socionext
kernel-64kb-extra
reiserfs-kmp-64kb-debuginfo
dtb-freescale
dtb-lg
kernel-64kb-optional
cluster-md-kmp-64kb-debuginfo
reiserfs-kmp-preempt-debuginfo
kernel-default-optional-debuginfo
kselftests-kmp-default
dlm-kmp-preempt
gfs2-kmp-preempt-debuginfo
kernel-preempt-extra
kernel-preempt-optional
ocfs2-kmp-preempt-debuginfo
gfs2-kmp-preempt
kernel-preempt-livepatch-devel
kernel-default-base-rebuild
dtb-apple
dtb-amazon
kernel-rt-vdso-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-rt-vdso
kernel-rt_debug-vdso
kernel-rt_debug-livepatch-devel
kernel-rt-optional-debuginfo
kernel-rt-optional
reiserfs-kmp-rt
kselftests-kmp-rt-debuginfo
kernel-rt-livepatch-devel
kselftests-kmp-rt
kernel-rt-extra-debuginfo
kernel-rt-livepatch
reiserfs-kmp-rt-debuginfo
kernel-rt-extra
gfs2-kmp-azure
dlm-kmp-azure
kernel-azure-extra
kernel-azure-optional
kernel-azure-devel-debuginfo
reiserfs-kmp-azure
kernel-azure-extra-debuginfo
cluster-md-kmp-azure-debuginfo
reiserfs-kmp-azure-debuginfo
kselftests-kmp-azure
kernel-azure-livepatch-devel
cluster-md-kmp-azure
gfs2-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
dlm-kmp-azure-debuginfo
kernel-azure-vdso-debuginfo
kernel-azure-vdso
kernel-azure-optional-debuginfo
ocfs2-kmp-azure
ocfs2-kmp-azure-debuginfo
kernel-debug-vdso-debuginfo
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-debug-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
Red Hat OpenShift Container Platform
EMC Cloud Tiering Appliance

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the cifs_do_mount() function in fs/cifs/cifsfs.c. A local user can escalate privileges on the system.

Install update from vendor's website.

• https://git.kernel.org/stable/c/da834d6c1147c7519a9e55b510a03b7055104749
• https://git.kernel.org/stable/c/147a0e71ccf96df9fc8c2ac500829d8e423ef02c
• https://git.kernel.org/stable/c/2fe0e281f7ad0a62259649764228227dd6b2561d
• https://git.kernel.org/stable/c/e208668ef7ba23efcbf76a8200cab8deee501c4d
• https://git.kernel.org/stable/c/df9db1a2af37f39ad1653c7b9b0d275d72d0bc67
• https://git.kernel.org/stable/c/546d60859ecf13380fcabcbeace53a5971493a2b
• https://git.kernel.org/stable/c/563431c1f3c8f2230e4a9c445fa23758742bc4f0
• https://git.kernel.org/stable/c/3d6cc9898efdfb062efb74dc18cfc700e082f5d5
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.270
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.233
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.305
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.104
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.27
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.13
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.183