Memory leak in Linux kernel - CVE-2022-50027

Vulnerability identifier: #VU111393

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-2022-50027

CWE-ID: CWE-401

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 memory leak within the lpfc_sli4_issue_wqe() function in drivers/scsi/lpfc/lpfc_sli.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Live Patching
openSUSE Leap
kgraft-patch-4_12_14-122_269-default
kernel-livepatch-5_14_21-150400_24_170-default-debuginfo
kernel-livepatch-5_14_21-150400_24_170-default
kernel-livepatch-SLE15-SP4_Update_42-debugsource
kernel-livepatch-5_14_21-150500_55_113-default-debuginfo
kernel-livepatch-SLE15-SP5_Update_28-debugsource
kernel-livepatch-5_14_21-150500_55_113-default
kernel-macros
kernel-default-kgraft
kernel-default
cluster-md-kmp-default-debuginfo
dlm-kmp-default-debuginfo
kernel-syms
ocfs2-kmp-default-debuginfo
kernel-default-base-debuginfo
dlm-kmp-default
cluster-md-kmp-default
kernel-default-base
gfs2-kmp-default
kernel-default-devel
kernel-default-debuginfo
kernel-source
kernel-devel
kernel-default-man
kernel-default-devel-debuginfo
kernel-default-kgraft-devel
kernel-default-debugsource
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
dtb-apple
dtb-cavium
dtb-broadcom
dtb-amazon
dtb-nvidia
dtb-arm
dtb-altera
dtb-apm
dtb-sprd
dtb-amlogic
dtb-allwinner
dtb-marvell
dtb-rockchip
dtb-socionext
dtb-hisilicon
dtb-xilinx
dtb-lg
dtb-mediatek
dtb-freescale
dtb-amd
kernel-docs
kernel-source-vanilla
kernel-docs-html
kernel-obs-qa
dtb-aarch64
dtb-qcom
dtb-exynos
dtb-renesas
cluster-md-kmp-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
kernel-default-livepatch-devel
kernel-64kb-debuginfo
kernel-default-livepatch
kselftests-kmp-64kb-debuginfo
kernel-64kb-optional
kernel-64kb-optional-debuginfo
kernel-64kb-debugsource
kernel-64kb
cluster-md-kmp-64kb
kernel-default-optional
kernel-default-optional-debuginfo
kernel-obs-build
reiserfs-kmp-default
kernel-obs-build-debugsource
kernel-default-extra
kernel-64kb-extra
kselftests-kmp-default
kernel-default-extra-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
ocfs2-kmp-64kb
kernel-64kb-devel-debuginfo
reiserfs-kmp-64kb
kernel-64kb-devel
reiserfs-kmp-64kb-debuginfo
ocfs2-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
kselftests-kmp-64kb
gfs2-kmp-64kb
dlm-kmp-64kb
kernel-zfcpdump-debuginfo
kselftests-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debugsource
dlm-kmp-64kb-debuginfo
kernel-default-base-rebuild

Install update from vendor's repository.

Linux kernel - update to 5.15.63
kgraft-patch-4_12_14-122_269-default - update to 1-8.3.1
kernel-livepatch-5_14_21-150400_24_170-default-debuginfo - update to 1-150400.9.3.2
kernel-livepatch-5_14_21-150400_24_170-default - update to 1-150400.9.3.2
kernel-livepatch-SLE15-SP4_Update_42-debugsource - update to 1-150400.9.3.2
kernel-livepatch-5_14_21-150500_55_113-default-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5_Update_28-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_113-default - update to 1-150500.11.3.1
kernel-macros - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.1
kernel-default-kgraft - update to 4.12.14-122.269.1
kernel-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-syms - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-default-base-debuginfo - update to 4.12.14-122.269.1
dlm-kmp-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
cluster-md-kmp-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-default-base - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2.150400.24.86.2
gfs2-kmp-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-default-devel - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-source - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.1
kernel-devel - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.1
kernel-default-man - update to 4.12.14-122.269.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-default-kgraft-devel - update to 4.12.14-122.269.1
kernel-default-debugsource - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
dtb-apple - update to 5.14.21-150400.24.170.1
dtb-cavium - update to 5.14.21-150400.24.170.1
dtb-broadcom - update to 5.14.21-150400.24.170.1
dtb-amazon - update to 5.14.21-150400.24.170.1
dtb-nvidia - update to 5.14.21-150400.24.170.1
dtb-arm - update to 5.14.21-150400.24.170.1
dtb-altera - update to 5.14.21-150400.24.170.1
dtb-apm - update to 5.14.21-150400.24.170.1
dtb-sprd - update to 5.14.21-150400.24.170.1
dtb-amlogic - update to 5.14.21-150400.24.170.1
dtb-allwinner - update to 5.14.21-150400.24.170.1
dtb-marvell - update to 5.14.21-150400.24.170.1
dtb-rockchip - update to 5.14.21-150400.24.170.1
dtb-socionext - update to 5.14.21-150400.24.170.1
dtb-hisilicon - update to 5.14.21-150400.24.170.1
dtb-xilinx - update to 5.14.21-150400.24.170.1
dtb-lg - update to 5.14.21-150400.24.170.1
dtb-mediatek - update to 5.14.21-150400.24.170.1
dtb-freescale - update to 5.14.21-150400.24.170.1
dtb-amd - update to 5.14.21-150400.24.170.1
kernel-docs - update to 5.14.21-150400.24.170.1
kernel-source-vanilla - update to 5.14.21-150400.24.170.1
kernel-docs-html - update to 5.14.21-150400.24.170.1
kernel-obs-qa - update to 5.14.21-150400.24.170.1
dtb-aarch64 - update to 5.14.21-150400.24.170.1
dtb-qcom - update to 5.14.21-150400.24.170.1
dtb-exynos - update to 5.14.21-150400.24.170.1
dtb-renesas - update to 5.14.21-150400.24.170.1
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-optional - update to 5.14.21-150400.24.170.2
kernel-64kb-optional-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-debugsource - update to 5.14.21-150400.24.170.2
kernel-64kb - update to 5.14.21-150400.24.170.2
cluster-md-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-default-optional - update to 5.14.21-150400.24.170.2
kernel-default-optional-debuginfo - update to 5.14.21-150400.24.170.2
kernel-obs-build - update to 5.14.21-150400.24.170.2
reiserfs-kmp-default - update to 5.14.21-150400.24.170.2
kernel-obs-build-debugsource - update to 5.14.21-150400.24.170.2
kernel-default-extra - update to 5.14.21-150400.24.170.2
kernel-64kb-extra - update to 5.14.21-150400.24.170.2
kselftests-kmp-default - update to 5.14.21-150400.24.170.2
kernel-default-extra-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-devel - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-debugsource - update to 5.14.21-150400.24.170.2
ocfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-64kb-devel-debuginfo - update to 5.14.21-150400.24.170.2
reiserfs-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-64kb-devel - update to 5.14.21-150400.24.170.2
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-extra-debuginfo - update to 5.14.21-150400.24.170.2
kselftests-kmp-64kb - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
dlm-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-zfcpdump-debuginfo - update to 5.14.21-150400.24.170.2
kselftests-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
reiserfs-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall - update to 5.14.21-150400.24.170.2
kernel-zfcpdump - update to 5.14.21-150400.24.170.2
kernel-zfcpdump-debugsource - update to 5.14.21-150400.24.170.2
dlm-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-base-rebuild - update to 5.14.21-150400.24.170.2.150400.24.86.2

• https://git.kernel.org/stable/c/2f67dc7970bce3529edce93a0a14234d88b3fcd5
• https://git.kernel.org/stable/c/4eb7a1beff03836d3df271cd23b790884e3facb9
• https://git.kernel.org/stable/c/9c8e2e607270a368834a0ef72aa82d970f89c596
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.63

• Memory leak in Linux kernel scsi lpfc driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel