Buffer overflow in Linux kernel - CVE-2022-49581

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Main Vulnerability Database Vulnerabilities #VU104800

Buffer overflow in Linux kernel - CVE-2022-49581

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


Vulnerability identifier: #VU104800
CSH Severity: Low
CVSS v4 BT: 5.9 [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-2022-49581
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to memory corruption within the be_get_module_info() and be_get_module_eeprom() functions in drivers/net/ethernet/emulex/benet/be_ethtool.c, within the be_cmd_read_port_transceiver_data(), be_cmd_query_cable_type() and be_cmd_query_sfp_info() functions in drivers/net/ethernet/emulex/benet/be_cmds.c. A local user can escalate privileges on the system.


Affected software

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Availability Extension 15
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 High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 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
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kgraft-patch-4_12_14-122_255-default
kernel-livepatch-SLE15-SP4_Update_38-debugsource
kernel-livepatch-5_14_21-150400_24_158-default
kernel-livepatch-5_14_21-150400_24_158-default-debuginfo
kernel-livepatch-5_14_21-150500_55_100-default-debuginfo
kernel-livepatch-5_14_21-150500_55_100-default
kernel-livepatch-SLE15-SP5_Update_25-debugsource
kernel-default
kernel-source
kernel-default-debugsource
kernel-default-debuginfo
cluster-md-kmp-default
kernel-default-devel
dlm-kmp-default
gfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
kernel-syms
gfs2-kmp-default
kernel-default-base
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-base-debuginfo
kernel-devel
kernel-macros
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default-man
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo
kernel
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-source-rt
kernel-rt-debugsource
kernel-rt-debuginfo
kernel-rt
dtb-allwinner
kernel-kvmsmall-debugsource
kernel-default-optional
kernel-64kb
dtb-amazon
dtb-amlogic
dtb-hisilicon
kernel-64kb-debuginfo
dtb-freescale
kernel-kvmsmall-debuginfo
cluster-md-kmp-64kb
cluster-md-kmp-64kb-debuginfo
dtb-socionext
ocfs2-kmp-64kb
dtb-amd
kernel-64kb-optional-debuginfo
dtb-altera
kernel-64kb-devel-debuginfo
dtb-sprd
dtb-xilinx
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-zfcpdump-debugsource
kernel-docs
kernel-source-vanilla
kernel-docs-html
kernel-debug
kernel-debug-debugsource
kernel-debug-devel-debuginfo
kernel-debug-debuginfo
kernel-debug-devel
kernel-kvmsmall-devel
kernel-kvmsmall-devel-debuginfo
gfs2-kmp-64kb
kernel-64kb-extra-debuginfo
dtb-rockchip
dtb-apple
dtb-apm
dlm-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kernel-64kb-extra
dtb-lg
dtb-aarch64
kernel-kvmsmall
kernel-default-livepatch-devel
kernel-default-optional-debuginfo
dtb-qcom
kernel-obs-build-debugsource
kernel-default-extra
kernel-default-livepatch
reiserfs-kmp-default-debuginfo
kselftests-kmp-default
reiserfs-kmp-default
kernel-obs-qa
kernel-default-extra-debuginfo
kselftests-kmp-default-debuginfo
kernel-obs-build
dtb-exynos
kernel-64kb-optional
reiserfs-kmp-64kb-debuginfo
kernel-64kb-devel
dtb-cavium
ocfs2-kmp-64kb-debuginfo
dtb-nvidia
dtb-marvell
kselftests-kmp-64kb
dlm-kmp-64kb
dtb-mediatek
kernel-64kb-debugsource
dtb-renesas
gfs2-kmp-64kb-debuginfo
kselftests-kmp-64kb-debuginfo
dtb-broadcom
dtb-arm
kernel-default-base-rebuild
kernel-rt-livepatch-devel
kernel-rt_debug-vdso
kernel-rt-devel-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-rt-optional-debuginfo
kernel-devel-rt
kselftests-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-rt-optional
cluster-md-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt_debug
kernel-rt-vdso
kernel-rt-livepatch
gfs2-kmp-rt
kernel-rt-extra
kernel-rt-vdso-debuginfo
reiserfs-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt_debug-devel-debuginfo
kernel-rt-extra-debuginfo
ocfs2-kmp-rt
dlm-kmp-rt-debuginfo
cluster-md-kmp-rt
kselftests-kmp-rt
kernel-syms-rt
reiserfs-kmp-rt
kernel-rt-devel
kernel-rt_debug-devel
kernel-default-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso-debuginfo
kernel-debug-vdso-debuginfo
kernel-debug-vdso

How to mitigate CVE-2022-49581

Install update from vendor's website.

Linux kernel - update to 4.14.290
kgraft-patch-4_12_14-122_255-default - update to 1-8.5.1
kernel-livepatch-SLE15-SP4_Update_38-debugsource - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150400_24_158-default - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150400_24_158-default-debuginfo - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150500_55_100-default-debuginfo - update to 1-150500.11.3.1
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-default - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-source - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-debugsource - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-devel - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dlm-kmp-default - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-syms - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gfs2-kmp-default - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-base - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1.150400.24.78.1, 5.14.21-150500.55.100.1.150500.6.47.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-base-debuginfo - update to 4.12.14-122.255.1
kernel-devel - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-macros - addressed in versions 4.12.14-122.255.1, 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-kgraft-devel - update to 4.12.14-122.255.1
kernel-default-kgraft - update to 4.12.14-122.255.1
kernel-default-man - update to 4.12.14-122.255.1
bpftool - update to 4.19.90-2503.4.0.0320
bpftool-debuginfo - update to 4.19.90-2503.4.0.0320
kernel-debuginfo - update to 4.19.90-2503.4.0.0320
kernel-debugsource - update to 4.19.90-2503.4.0.0320
kernel-devel - update to 4.19.90-2503.4.0.0320
kernel-source - update to 4.19.90-2503.4.0.0320
kernel-tools - update to 4.19.90-2503.4.0.0320
kernel-tools-debuginfo - update to 4.19.90-2503.4.0.0320
kernel-tools-devel - update to 4.19.90-2503.4.0.0320
perf - update to 4.19.90-2503.4.0.0320
perf-debuginfo - update to 4.19.90-2503.4.0.0320
python2-perf - update to 4.19.90-2503.4.0.0320
python2-perf-debuginfo - update to 4.19.90-2503.4.0.0320
python3-perf - update to 4.19.90-2503.4.0.0320
python3-perf-debuginfo - update to 4.19.90-2503.4.0.0320
kernel - update to 4.19.90-2503.4.0.0320
kernel (Red Hat package) - update to 5.14.0-70.163.1.el9_0
kernel-rt (Red Hat package) - update to 5.14.0-70.163.1.rt21.235.el9_0
kernel-source-rt - addressed in versions 5.14.21-150400.15.115.1, 5.14.21-150500.13.91.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.115.1, 5.14.21-150500.13.91.1
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.115.1, 5.14.21-150500.13.91.1
kernel-rt - addressed in versions 5.14.21-150400.15.115.1, 5.14.21-150500.13.91.1
dtb-allwinner - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-optional - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-amazon - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-amlogic - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-hisilicon - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-freescale - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
cluster-md-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
cluster-md-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-socionext - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
ocfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-amd - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-optional-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-altera - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-devel-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-sprd - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-xilinx - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-zfcpdump-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-zfcpdump - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-zfcpdump-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-docs - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-source-vanilla - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-docs-html - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug-devel-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall-devel-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-extra-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-rockchip - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-apple - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-apm - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dlm-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
reiserfs-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-extra - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-lg - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-aarch64 - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-optional-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-qcom - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-obs-build-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-extra - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
reiserfs-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kselftests-kmp-default - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
reiserfs-kmp-default - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-obs-qa - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-extra-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kselftests-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-obs-build - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-exynos - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-optional - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
reiserfs-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-cavium - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
ocfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-nvidia - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-marvell - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kselftests-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dlm-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-mediatek - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-renesas - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kselftests-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-broadcom - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-arm - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-base-rebuild - addressed in versions 5.14.21-150400.24.158.1.150400.24.78.1, 5.14.21-150500.55.100.1.150500.6.47.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.91.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.91.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.91.1
ocfs2-kmp-rt-debuginfo - 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
kernel-devel-rt - update to 5.14.21-150500.13.91.1
kselftests-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
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-optional - 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 - update to 5.14.21-150500.13.91.1
kernel-rt-vdso - update to 5.14.21-150500.13.91.1
kernel-rt-livepatch - update to 5.14.21-150500.13.91.1
gfs2-kmp-rt - update to 5.14.21-150500.13.91.1
kernel-rt-extra - update to 5.14.21-150500.13.91.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.91.1
reiserfs-kmp-rt-debuginfo - 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
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
cluster-md-kmp-rt - update to 5.14.21-150500.13.91.1
kselftests-kmp-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
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
kernel-debug-vdso - update to 5.14.21-150500.55.100.1

External References

Related Security Bulletins