Information disclosure in Linux kernel - CVE-2022-48639

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Main Vulnerability Database Vulnerabilities #VU91361

Information disclosure in Linux kernel - CVE-2022-48639

Published: June 8, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU91361
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-48639
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information disclosure within the net/sched/cls_api.c. A local user can gain access to sensitive information.


Affected software

Linux kernel
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Micro
Anolis OS
SUSE Linux Enterprise Live Patching
Legacy Module
Development Tools Module
Basesystem Module
Public Cloud Module
SUSE Real Time Module
openSUSE Leap
openEuler
kernel-livepatch-SLE15-SP5_Update_13-debugsource
kernel-livepatch-5_14_21-150500_55_62-default
kernel-livepatch-5_14_21-150500_55_62-default-debuginfo
kernel-livepatch-5_14_21-150500_13_52-rt
kernel-livepatch-SLE15-SP5-RT_Update_14-debugsource
kernel-livepatch-5_14_21-150500_13_52-rt-debuginfo
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-headers
kernel-devel
kernel-debugsource
kernel-debuginfo
kernel
bpftool
kernel-tools-libs
kernel-modules-internal
kernel-tools-libs-devel
kernel-modules-extra
kernel-modules
kernel-debug-modules-internal
kernel-debug-modules-extra
kernel-debug-modules
kernel-debug-devel
kernel-debug-core
kernel-debug
kernel-core
kernel-rt_debug-vdso
kernel-rt-livepatch
kernel-rt-optional-debuginfo
kernel-rt_debug-debuginfo
kernel-rt-vdso-debuginfo
dlm-kmp-rt
kernel-rt-debugsource
kernel-rt-vdso
kernel-rt-devel-debuginfo
kernel-rt-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch-devel
cluster-md-kmp-rt
kselftests-kmp-rt-debuginfo
kernel-rt-extra-debuginfo
kernel-source-rt
kernel-devel-rt
reiserfs-kmp-rt
kernel-rt
kernel-rt_debug
kernel-rt-devel
kernel-syms-rt
kernel-rt_debug-devel-debuginfo
kernel-rt-extra
ocfs2-kmp-rt-debuginfo
kernel-rt-optional
kernel-rt_debug-debugsource
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-devel
ocfs2-kmp-rt
kernel-rt_debug-livepatch-devel
dlm-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
gfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kselftests-kmp-rt
ocfs2-kmp-azure-debuginfo
dlm-kmp-azure-debuginfo
reiserfs-kmp-azure-debuginfo
kernel-source-azure
kselftests-kmp-azure-debuginfo
kernel-azure-optional
kernel-azure-optional-debuginfo
ocfs2-kmp-azure
kernel-azure-devel-debuginfo
kernel-syms-azure
gfs2-kmp-azure
kernel-azure
kernel-azure-extra
cluster-md-kmp-azure
kernel-azure-livepatch-devel
kernel-devel-azure
kernel-azure-vdso-debuginfo
kernel-azure-vdso
kernel-azure-devel
kselftests-kmp-azure
kernel-azure-debugsource
dlm-kmp-azure
gfs2-kmp-azure-debuginfo
kernel-azure-debuginfo
kernel-azure-extra-debuginfo
reiserfs-kmp-azure
cluster-md-kmp-azure-debuginfo
dtb-allwinner
dtb-amazon
dtb-exynos
dtb-freescale
dtb-nvidia
dtb-rockchip
dtb-arm
dtb-cavium
dtb-broadcom
dtb-amd
dtb-altera
dtb-marvell
kernel-obs-qa
dtb-apm
kernel-syms
dtb-aarch64
dtb-apple
dtb-socionext
dtb-xilinx
dtb-mediatek
dtb-lg
dtb-hisilicon
dtb-renesas
dtb-amlogic
dtb-sprd
dtb-qcom
kernel-debug-vdso
kernel-default-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-debuginfo
kernel-default-vdso-debuginfo
kernel-debug-vdso-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel
reiserfs-kmp-default-debuginfo
kernel-debug-livepatch-devel
kernel-debug-debuginfo
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-docs-html
kernel-source-vanilla
kernel-macros
kernel-docs
kselftests-kmp-64kb-debuginfo
kernel-64kb-optional-debuginfo
ocfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kernel-64kb-debugsource
kselftests-kmp-64kb
ocfs2-kmp-64kb
kernel-64kb-devel
dlm-kmp-64kb
kernel-64kb-extra
cluster-md-kmp-64kb-debuginfo
gfs2-kmp-64kb
gfs2-kmp-64kb-debuginfo
kernel-64kb-livepatch-devel
kernel-64kb-extra-debuginfo
dlm-kmp-64kb-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-default-debuginfo
kernel-default-debugsource
kernel-kvmsmall
kernel-default
kernel-default-devel
kernel-default-extra
kernel-default-extra-debuginfo
gfs2-kmp-default-debuginfo
kernel-default-livepatch-devel
kernel-default-optional
kernel-default-optional-debuginfo
dlm-kmp-default
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
reiserfs-kmp-default
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-obs-build
kselftests-kmp-default
ocfs2-kmp-default
kselftests-kmp-default-debuginfo
kernel-obs-build-debugsource
cluster-md-kmp-default
gfs2-kmp-default
kernel-default-livepatch
kernel-64kb
kernel-64kb-debuginfo
kernel-64kb-devel-debuginfo
cluster-md-kmp-64kb
kernel-64kb-optional
kernel-default-base
kernel-default-base-rebuild

How to mitigate CVE-2022-48639

Install update from vendor's website.

Linux kernel - addressed in versions 5.4.215, 5.10.146, 5.15.71, 5.19.12, 6.0
kernel-livepatch-SLE15-SP5_Update_13-debugsource - update to 1-150500.11.3.2
kernel-livepatch-5_14_21-150500_55_62-default - update to 1-150500.11.3.2
kernel-livepatch-5_14_21-150500_55_62-default-debuginfo - update to 1-150500.11.3.2
kernel-livepatch-5_14_21-150500_13_52-rt - update to 1-150500.11.5.1
kernel-livepatch-SLE15-SP5-RT_Update_14-debugsource - update to 1-150500.11.5.1
kernel-livepatch-5_14_21-150500_13_52-rt-debuginfo - update to 1-150500.11.5.1
python3-perf-debuginfo - update to 5.10.0-136.91.0.172
python3-perf - update to 5.10.0-136.91.0.172
perf-debuginfo - update to 5.10.0-136.91.0.172
perf - update to 5.10.0-136.91.0.172
kernel-tools-devel - update to 5.10.0-136.91.0.172
kernel-tools-debuginfo - update to 5.10.0-136.91.0.172
kernel-tools - update to 5.10.0-136.91.0.172
kernel-source - update to 5.10.0-136.91.0.172
kernel-headers - update to 5.10.0-136.91.0.172
kernel-devel - update to 5.10.0-136.91.0.172
kernel-debugsource - update to 5.10.0-136.91.0.172
kernel-debuginfo - update to 5.10.0-136.91.0.172
kernel - update to 5.10.0-136.91.0.172
python3-perf - update to 5.10.134-19
kernel - update to 5.10.134-19
bpftool - update to 5.10.134-19
kernel-tools - update to 5.10.134-19
kernel-tools-libs - update to 5.10.134-19
kernel-modules-internal - update to 5.10.134-19
kernel-tools-libs-devel - update to 5.10.134-19
perf - update to 5.10.134-19
kernel-modules-extra - update to 5.10.134-19
kernel-modules - update to 5.10.134-19
kernel-headers - update to 5.10.134-19
kernel-devel - update to 5.10.134-19
kernel-debug-modules-internal - update to 5.10.134-19
kernel-debug-modules-extra - update to 5.10.134-19
kernel-debug-modules - update to 5.10.134-19
kernel-debug-devel - update to 5.10.134-19
kernel-debug-core - update to 5.10.134-19
kernel-debug - update to 5.10.134-19
kernel-core - update to 5.10.134-19
kernel-rt_debug-vdso - update to 5.14.21-150500.13.52.1
kernel-rt-livepatch - update to 5.14.21-150500.13.52.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.52.1
dlm-kmp-rt - update to 5.14.21-150500.13.52.1
kernel-rt-debugsource - update to 5.14.21-150500.13.52.1
kernel-rt-vdso - update to 5.14.21-150500.13.52.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.52.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.52.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.52.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.52.1
kernel-source-rt - update to 5.14.21-150500.13.52.1
kernel-devel-rt - update to 5.14.21-150500.13.52.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.52.1
kernel-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug - update to 5.14.21-150500.13.52.1
kernel-rt-devel - update to 5.14.21-150500.13.52.1
kernel-syms-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-extra - update to 5.14.21-150500.13.52.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-optional - update to 5.14.21-150500.13.52.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.52.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.52.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug-livepatch-devel - update to 5.14.21-150500.13.52.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.52.1
gfs2-kmp-rt - update to 5.14.21-150500.13.52.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kselftests-kmp-rt - update to 5.14.21-150500.13.52.1
ocfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
dlm-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
reiserfs-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-source-azure - update to 5.14.21-150500.33.51.1
kselftests-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-optional - update to 5.14.21-150500.33.51.1
kernel-azure-optional-debuginfo - update to 5.14.21-150500.33.51.1
ocfs2-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-devel-debuginfo - update to 5.14.21-150500.33.51.1
kernel-syms-azure - update to 5.14.21-150500.33.51.1
gfs2-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure - update to 5.14.21-150500.33.51.1
kernel-azure-extra - update to 5.14.21-150500.33.51.1
cluster-md-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-livepatch-devel - update to 5.14.21-150500.33.51.1
kernel-devel-azure - update to 5.14.21-150500.33.51.1
kernel-azure-vdso-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-vdso - update to 5.14.21-150500.33.51.1
kernel-azure-devel - update to 5.14.21-150500.33.51.1
kselftests-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-debugsource - update to 5.14.21-150500.33.51.1
dlm-kmp-azure - update to 5.14.21-150500.33.51.1
gfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-extra-debuginfo - update to 5.14.21-150500.33.51.1
reiserfs-kmp-azure - update to 5.14.21-150500.33.51.1
cluster-md-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
dtb-allwinner - update to 5.14.21-150500.55.62.1
dtb-amazon - update to 5.14.21-150500.55.62.1
dtb-exynos - update to 5.14.21-150500.55.62.1
dtb-freescale - update to 5.14.21-150500.55.62.1
dtb-nvidia - update to 5.14.21-150500.55.62.1
dtb-rockchip - update to 5.14.21-150500.55.62.1
dtb-arm - update to 5.14.21-150500.55.62.1
dtb-cavium - update to 5.14.21-150500.55.62.1
dtb-broadcom - update to 5.14.21-150500.55.62.1
dtb-amd - update to 5.14.21-150500.55.62.1
dtb-altera - update to 5.14.21-150500.55.62.1
dtb-marvell - update to 5.14.21-150500.55.62.1
kernel-obs-qa - update to 5.14.21-150500.55.62.1
dtb-apm - update to 5.14.21-150500.55.62.1
kernel-syms - update to 5.14.21-150500.55.62.1
dtb-aarch64 - update to 5.14.21-150500.55.62.1
dtb-apple - update to 5.14.21-150500.55.62.1
dtb-socionext - update to 5.14.21-150500.55.62.1
dtb-xilinx - update to 5.14.21-150500.55.62.1
dtb-mediatek - update to 5.14.21-150500.55.62.1
dtb-lg - update to 5.14.21-150500.55.62.1
dtb-hisilicon - update to 5.14.21-150500.55.62.1
dtb-renesas - update to 5.14.21-150500.55.62.1
dtb-amlogic - update to 5.14.21-150500.55.62.1
dtb-sprd - update to 5.14.21-150500.55.62.1
dtb-qcom - update to 5.14.21-150500.55.62.1
kernel-debug-vdso - update to 5.14.21-150500.55.62.2
kernel-default-vdso - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.62.2
kernel-debug-vdso-debuginfo - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-debugsource - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-devel - update to 5.14.21-150500.55.62.2
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-debug-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-debug-debuginfo - update to 5.14.21-150500.55.62.2
kernel-debug-devel-debuginfo - update to 5.14.21-150500.55.62.2
kernel-debug-devel - update to 5.14.21-150500.55.62.2
kernel-debug-debugsource - update to 5.14.21-150500.55.62.2
kernel-debug - update to 5.14.21-150500.55.62.2
kernel-source - update to 5.14.21-150500.55.62.2
kernel-docs-html - update to 5.14.21-150500.55.62.2
kernel-source-vanilla - update to 5.14.21-150500.55.62.2
kernel-macros - update to 5.14.21-150500.55.62.2
kernel-devel - update to 5.14.21-150500.55.62.2
kernel-docs - update to 5.14.21-150500.55.62.2
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-optional-debuginfo - update to 5.14.21-150500.55.62.2
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-debugsource - update to 5.14.21-150500.55.62.2
kselftests-kmp-64kb - update to 5.14.21-150500.55.62.2
ocfs2-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-devel - update to 5.14.21-150500.55.62.2
dlm-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-extra - update to 5.14.21-150500.55.62.2
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
gfs2-kmp-64kb - update to 5.14.21-150500.55.62.2
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-64kb-extra-debuginfo - update to 5.14.21-150500.55.62.2
dlm-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.62.2
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.62.2
kernel-zfcpdump - update to 5.14.21-150500.55.62.2
kernel-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-debugsource - update to 5.14.21-150500.55.62.2
kernel-kvmsmall - update to 5.14.21-150500.55.62.2
kernel-default - update to 5.14.21-150500.55.62.2
kernel-default-devel - update to 5.14.21-150500.55.62.2
kernel-default-extra - update to 5.14.21-150500.55.62.2
kernel-default-extra-debuginfo - update to 5.14.21-150500.55.62.2
gfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-default-optional - update to 5.14.21-150500.55.62.2
kernel-default-optional-debuginfo - update to 5.14.21-150500.55.62.2
dlm-kmp-default - update to 5.14.21-150500.55.62.2
kernel-default-devel-debuginfo - update to 5.14.21-150500.55.62.2
dlm-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-default - update to 5.14.21-150500.55.62.2
ocfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
cluster-md-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-obs-build - update to 5.14.21-150500.55.62.2
kselftests-kmp-default - update to 5.14.21-150500.55.62.2
ocfs2-kmp-default - update to 5.14.21-150500.55.62.2
kselftests-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-obs-build-debugsource - update to 5.14.21-150500.55.62.2
cluster-md-kmp-default - update to 5.14.21-150500.55.62.2
gfs2-kmp-default - update to 5.14.21-150500.55.62.2
kernel-default-livepatch - update to 5.14.21-150500.55.62.2
kernel-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.62.2
cluster-md-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-optional - update to 5.14.21-150500.55.62.2
kernel-default-base - update to 5.14.21-150500.55.62.2.150500.6.27.2
kernel-default-base-rebuild - update to 5.14.21-150500.55.62.2.150500.6.27.2

External References

Related Security Bulletins