Memory leak in Linux kernel - CVE-2022-49306

 

Memory leak in Linux kernel - CVE-2022-49306

Published: February 26, 2025 / Updated: May 11, 2025


Vulnerability identifier: #VU104244
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-49306
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to memory leak within the dwc3_host_init() function in drivers/usb/dwc3/host.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Live Patching
openSUSE Leap
kernel-livepatch-5_14_21-150500_55_100-default
kernel-livepatch-SLE15-SP5_Update_25-debugsource
kernel-livepatch-5_14_21-150500_55_100-default-debuginfo
kernel-rt-debugsource
kernel-source-rt
kernel-syms-rt
reiserfs-kmp-rt
kernel-rt-devel
kernel-rt_debug-devel
dlm-kmp-rt
kernel-rt_debug-devel-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-extra
gfs2-kmp-rt
kernel-rt-livepatch
kernel-rt-vdso
kernel-rt_debug
kernel-rt
kernel-devel-rt
cluster-md-kmp-rt
kernel-rt_debug-debugsource
kernel-rt-optional-debuginfo
kselftests-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
kernel-rt-debuginfo
kernel-rt_debug-vdso
kernel-rt-livepatch-devel
kernel-rt_debug-vdso-debuginfo
cluster-md-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt-extra-debuginfo
ocfs2-kmp-rt
dlm-kmp-rt-debuginfo
kernel-rt-optional
kernel-64kb-optional
dtb-apm
ocfs2-kmp-64kb-debuginfo
dtb-renesas
dtb-freescale
dtb-qcom
cluster-md-kmp-64kb
dtb-amazon
dtb-amd
dtb-rockchip
kernel-64kb
kernel-64kb-debugsource
kernel-64kb-optional-debuginfo
kernel-64kb-extra-debuginfo
dtb-lg
dlm-kmp-64kb
reiserfs-kmp-64kb-debuginfo
kernel-64kb-debuginfo
dtb-aarch64
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-kvmsmall
dtb-allwinner
dtb-exynos
dtb-socionext
kernel-64kb-devel-debuginfo
ocfs2-kmp-64kb
dlm-kmp-64kb-debuginfo
dtb-mediatek
dtb-xilinx
kselftests-kmp-64kb
dtb-altera
gfs2-kmp-64kb-debuginfo
dtb-hisilicon
dtb-marvell
dtb-arm
cluster-md-kmp-64kb-debuginfo
dtb-sprd
reiserfs-kmp-64kb
dtb-nvidia
kselftests-kmp-64kb-debuginfo
dtb-broadcom
gfs2-kmp-64kb
dtb-cavium
kernel-64kb-extra
dtb-apple
dtb-amlogic
kernel-64kb-devel
kernel-debug-vdso
kernel-default-livepatch-devel
kernel-default-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-default-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso-debuginfo
kernel-debug-vdso-debuginfo
reiserfs-kmp-default
kernel-debug-debuginfo
kernel-debug-devel
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug
kernel-source-vanilla
kernel-docs-html
kernel-devel
kernel-source
kernel-macros
kernel-docs
gfs2-kmp-default-debuginfo
kernel-default
ocfs2-kmp-default
kernel-default-livepatch
kernel-obs-build-debugsource
kselftests-kmp-default
kernel-default-optional-debuginfo
kernel-default-debugsource
kernel-obs-build
kernel-default-devel-debuginfo
gfs2-kmp-default
kernel-default-debuginfo
dlm-kmp-default
kernel-default-extra-debuginfo
kernel-syms
ocfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-optional
kselftests-kmp-default-debuginfo
kernel-default-extra
kernel-obs-qa
cluster-md-kmp-default
cluster-md-kmp-default-debuginfo
kernel-default-base-rebuild
kernel-default-base

How to mitigate CVE-2022-49306

Install update from vendor's website.

Linux kernel - update to 5.17.15
kernel-livepatch-5_14_21-150500_55_100-default - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5_Update_25-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_100-default-debuginfo - update to 1-150500.11.3.1
kernel-rt-debugsource - update to 5.14.21-150500.13.91.1
kernel-source-rt - update to 5.14.21-150500.13.91.1
kernel-syms-rt - update to 5.14.21-150500.13.91.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.91.1
kernel-rt-devel - update to 5.14.21-150500.13.91.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.91.1
dlm-kmp-rt - update to 5.14.21-150500.13.91.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.91.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-extra - update to 5.14.21-150500.13.91.1
gfs2-kmp-rt - update to 5.14.21-150500.13.91.1
kernel-rt-livepatch - update to 5.14.21-150500.13.91.1
kernel-rt-vdso - update to 5.14.21-150500.13.91.1
kernel-rt_debug - update to 5.14.21-150500.13.91.1
kernel-rt - update to 5.14.21-150500.13.91.1
kernel-devel-rt - update to 5.14.21-150500.13.91.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.91.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.91.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.91.1
kselftests-kmp-rt - update to 5.14.21-150500.13.91.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.91.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.91.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.91.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.91.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.91.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.91.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-optional - update to 5.14.21-150500.13.91.1
kernel-64kb-optional - update to 5.14.21-150500.55.100.1
dtb-apm - update to 5.14.21-150500.55.100.1
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.100.1
dtb-renesas - update to 5.14.21-150500.55.100.1
dtb-freescale - update to 5.14.21-150500.55.100.1
dtb-qcom - update to 5.14.21-150500.55.100.1
cluster-md-kmp-64kb - update to 5.14.21-150500.55.100.1
dtb-amazon - update to 5.14.21-150500.55.100.1
dtb-amd - update to 5.14.21-150500.55.100.1
dtb-rockchip - update to 5.14.21-150500.55.100.1
kernel-64kb - update to 5.14.21-150500.55.100.1
kernel-64kb-debugsource - update to 5.14.21-150500.55.100.1
kernel-64kb-optional-debuginfo - update to 5.14.21-150500.55.100.1
kernel-64kb-extra-debuginfo - update to 5.14.21-150500.55.100.1
dtb-lg - update to 5.14.21-150500.55.100.1
dlm-kmp-64kb - update to 5.14.21-150500.55.100.1
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150500.55.100.1
kernel-64kb-debuginfo - update to 5.14.21-150500.55.100.1
dtb-aarch64 - update to 5.14.21-150500.55.100.1
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.100.1
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.100.1
kernel-zfcpdump - update to 5.14.21-150500.55.100.1
kernel-kvmsmall - update to 5.14.21-150500.55.100.1
dtb-allwinner - update to 5.14.21-150500.55.100.1
dtb-exynos - update to 5.14.21-150500.55.100.1
dtb-socionext - update to 5.14.21-150500.55.100.1
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.100.1
ocfs2-kmp-64kb - update to 5.14.21-150500.55.100.1
dlm-kmp-64kb-debuginfo - update to 5.14.21-150500.55.100.1
dtb-mediatek - update to 5.14.21-150500.55.100.1
dtb-xilinx - update to 5.14.21-150500.55.100.1
kselftests-kmp-64kb - update to 5.14.21-150500.55.100.1
dtb-altera - update to 5.14.21-150500.55.100.1
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.100.1
dtb-hisilicon - update to 5.14.21-150500.55.100.1
dtb-marvell - update to 5.14.21-150500.55.100.1
dtb-arm - update to 5.14.21-150500.55.100.1
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150500.55.100.1
dtb-sprd - update to 5.14.21-150500.55.100.1
reiserfs-kmp-64kb - update to 5.14.21-150500.55.100.1
dtb-nvidia - update to 5.14.21-150500.55.100.1
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150500.55.100.1
dtb-broadcom - update to 5.14.21-150500.55.100.1
gfs2-kmp-64kb - update to 5.14.21-150500.55.100.1
dtb-cavium - update to 5.14.21-150500.55.100.1
kernel-64kb-extra - update to 5.14.21-150500.55.100.1
dtb-apple - update to 5.14.21-150500.55.100.1
dtb-amlogic - update to 5.14.21-150500.55.100.1
kernel-64kb-devel - update to 5.14.21-150500.55.100.1
kernel-debug-vdso - update to 5.14.21-150500.55.100.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.100.1
kernel-default-devel - update to 5.14.21-150500.55.100.1
kernel-kvmsmall-debuginfo - update to 5.14.21-150500.55.100.1
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150500.55.100.1
kernel-kvmsmall-devel - update to 5.14.21-150500.55.100.1
kernel-kvmsmall-debugsource - update to 5.14.21-150500.55.100.1
kernel-default-vdso - update to 5.14.21-150500.55.100.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.100.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.100.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.100.1
kernel-debug-vdso-debuginfo - update to 5.14.21-150500.55.100.1
reiserfs-kmp-default - update to 5.14.21-150500.55.100.1
kernel-debug-debuginfo - update to 5.14.21-150500.55.100.1
kernel-debug-devel - update to 5.14.21-150500.55.100.1
kernel-debug-devel-debuginfo - update to 5.14.21-150500.55.100.1
kernel-debug-debugsource - update to 5.14.21-150500.55.100.1
kernel-debug - update to 5.14.21-150500.55.100.1
kernel-source-vanilla - update to 5.14.21-150500.55.100.1
kernel-docs-html - update to 5.14.21-150500.55.100.1
kernel-devel - update to 5.14.21-150500.55.100.1
kernel-source - update to 5.14.21-150500.55.100.1
kernel-macros - update to 5.14.21-150500.55.100.1
kernel-docs - update to 5.14.21-150500.55.100.1
gfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.100.1
kernel-default - update to 5.14.21-150500.55.100.1
ocfs2-kmp-default - update to 5.14.21-150500.55.100.1
kernel-default-livepatch - update to 5.14.21-150500.55.100.1
kernel-obs-build-debugsource - update to 5.14.21-150500.55.100.1
kselftests-kmp-default - update to 5.14.21-150500.55.100.1
kernel-default-optional-debuginfo - update to 5.14.21-150500.55.100.1
kernel-default-debugsource - update to 5.14.21-150500.55.100.1
kernel-obs-build - update to 5.14.21-150500.55.100.1
kernel-default-devel-debuginfo - update to 5.14.21-150500.55.100.1
gfs2-kmp-default - update to 5.14.21-150500.55.100.1
kernel-default-debuginfo - update to 5.14.21-150500.55.100.1
dlm-kmp-default - update to 5.14.21-150500.55.100.1
kernel-default-extra-debuginfo - update to 5.14.21-150500.55.100.1
kernel-syms - update to 5.14.21-150500.55.100.1
ocfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.100.1
dlm-kmp-default-debuginfo - update to 5.14.21-150500.55.100.1
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.100.1
kernel-default-optional - update to 5.14.21-150500.55.100.1
kselftests-kmp-default-debuginfo - update to 5.14.21-150500.55.100.1
kernel-default-extra - update to 5.14.21-150500.55.100.1
kernel-obs-qa - update to 5.14.21-150500.55.100.1
cluster-md-kmp-default - update to 5.14.21-150500.55.100.1
cluster-md-kmp-default-debuginfo - update to 5.14.21-150500.55.100.1
kernel-default-base-rebuild - update to 5.14.21-150500.55.100.1.150500.6.47.1
kernel-default-base - update to 5.14.21-150500.55.100.1.150500.6.47.1

External References

Related Security Bulletins