high 7.8

CVE-2022-4378 json

A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables.

published 2023-01-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-51727

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Patch / fix

distros 7 links 2

debian ubuntu red hat suse almalinux rocky linux arch linux

linux Debian 14, Debian 13, Debian 12 6.0.12-1

debian advisories DEBIAN-CVE-2022-4378

linux Ubuntu 22.04 LTS 5.15.0-58.64
linux-aws Ubuntu 22.04 LTS 5.15.0-1028.32
linux-gcp Ubuntu 22.04 LTS 5.15.0-1027.34
linux-gke Ubuntu 22.04 LTS 5.15.0-1027.32
linux-ibm Ubuntu 22.04 LTS 5.15.0-1023.26
linux-kvm Ubuntu 22.04 LTS 5.15.0-1026.31
linux-azure Ubuntu 22.04 LTS 5.15.0-1031.38
linux-gkeop Ubuntu 22.04 LTS 5.15.0-1013.17

ubuntu advisories UBUNTU-CVE-2022-4378

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

kpatch-patch-4_18_0-425_3_1 RHEL 8 1-6.el8
kpatch-patch-4_18_0-425_10_1 RHEL 8 1-4.el8_7
kpatch-patch-4_18_0-425_13_1 RHEL 8 1-2.el8_7
kpatch-patch-5_14_0-162_6_1 RHEL 9 1-2.el9_1
kpatch-patch-5_14_0-162_12_1 RHEL 9 1-1.el9_1
kernel RHEL 9 5.14.0-162.18.1.el9_1
perf RHEL 9 5.14.0-162.18.1.el9_1
bpftool RHEL 9 5.14.0-162.18.1.el9_1

red hat advisories RHSA-2023:1659 RHSA-2023:1435 RHSA-2023:1202 RHSA-2023:1203 RHSA-2023:1008 RHSA-2023:0951

kernel-rt Real Time Module 15 SP4, openSUSE Leap 15.4 5.14.21-150400.15.5.1
kernel-syms-rt Real Time Module 15 SP4, openSUSE Leap 15.4 5.14.21-150400.15.5.1
kernel-rt_debug Real Time Module 15 SP4, openSUSE Leap 15.4 5.14.21-150400.15.5.1
kernel-source-rt Real Time Module 15 SP4, openSUSE Leap 15.4 5.14.21-150400.15.5.1
dtb-aarch64 openSUSE Leap 15.4, openSUSE Leap 15.3 5.3.18-150300.59.106.1
kernel-64kb SLES 15 SP3-LTSS, SLE Module for Basesystem 15 SP3, SLE High Performance Computing 15 SP3-LTSS +3 more 5.3.18-150300.59.106.1
kernel-syms SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLES 15 SP3-BCL +6 more 5.3.18-150300.59.106.1
kernel-obs-qa openSUSE Leap 15.3 5.3.18-150300.59.106.1

suse advisories SUSE-SU-2022:4617-1 SUSE-SU-2022:4616-1 SUSE-SU-2022:4615-1 SUSE-SU-2022:4614-1 SUSE-SU-2022:4613-1 SUSE-SU-2022:4595-1

kernel AlmaLinux 8 4.18.0-425.19.2.el8_7
perf AlmaLinux 8 4.18.0-425.19.2.el8_7
bpftool AlmaLinux 8 4.18.0-425.19.2.el8_7
kernel-core AlmaLinux 8 4.18.0-425.19.2.el8_7
kernel-tools AlmaLinux 8 4.18.0-425.19.2.el8_7
python3-perf AlmaLinux 8 4.18.0-425.19.2.el8_7
kernel-modules AlmaLinux 8 4.18.0-425.19.2.el8_7
kernel-zfcpdump AlmaLinux 8 4.18.0-425.19.2.el8_7

almalinux advisories ALSA-2023:1566 ALSA-2023:1584 ALSA-2023:0951 ALSA-2023:0979

kernel Rocky Linux 8 4.18.0-425.19.2.el8_7.cloud
kernel-rt Rocky Linux 8 4.18.0-425.19.2.rt7.230.el8_7
kernel Rocky Linux 9 5.14.0-162.18.1.el9_1.cloud
kernel Rocky Linux 8 4.18.0-425.19.2.el8_7
kernel-rt Rocky Linux 9 5.14.0-162.18.1.rt21.181.el9_1

rocky linux advisories RXSA-2023:1566 RLSA-2023:1584 RXSA-2023:0951 RLSA-2023:1566 RLSA-2023:0979

linux-lts Arch Linux 6.2-1
linux-hardened Arch Linux 6.2-1
linux-zen Arch Linux 6.2-1
linux Arch Linux 6.2-1

arch linux advisories AVG-2834 AVG-2835 AVG-2836 AVG-2837

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-4378 updated 2026-08-07 cvss 7.8

kernel: stack overflow in do_proc_dointvec and proc_skip_spaces

Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-425.19.2.el8_7, kernel-debuginfo-common-aarch64 4.18.0-425.19.2.el8_7, kernel-debuginfo-common-ppc64le 4.18.0-425.19.2.el8_7
fixed: vendor fix RHSA-2023:1566
Red Hat CodeReady Linux Builder (v. 9) kernel-debuginfo-common-s390x 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-aarch64 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-ppc64le 5.14.0-162.18.1.el9_1
fixed: vendor fix RHSA-2023:0951
Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-debuginfo-common-x86_64 4.18.0-372.57.1.el8_6, kernel-debuginfo-common-aarch64 4.18.0-372.57.1.el8_6, kernel-debuginfo-common-ppc64le 4.18.0-372.57.1.el8_6
fixed: vendor fix RHSA-2023:3388
Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-debuginfo-common-s390x 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-aarch64 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-ppc64le 5.14.0-70.49.1.el9_0
fixed: vendor fix RHSA-2023:1202
Red Hat Enterprise Linux AppStream (v. 9) perf 5.14.0-162.18.1.el9_1, kernel-devel-matched 5.14.0-162.18.1.el9_1, kernel-debug-devel-matched 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-s390x 5.14.0-162.18.1.el9_1, kernel-zfcpdump-devel-matched 5.14.0-162.18.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.18.1.el9_1, +2 more
fixed: vendor fix RHSA-2023:0951
Red Hat Enterprise Linux AppStream EUS (v.9.0) perf 5.14.0-70.49.1.el9_0, kernel-devel-matched 5.14.0-70.49.1.el9_0, kernel-debug-devel-matched 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.49.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.49.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.49.1.el9_0, +2 more
fixed: vendor fix RHSA-2023:1202
Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-425.19.2.el8_7, kernel 4.18.0-425.19.2.el8_7, bpftool 4.18.0-425.19.2.el8_7, kernel-core 4.18.0-425.19.2.el8_7, kernel-tools 4.18.0-425.19.2.el8_7, python3-perf 4.18.0-425.19.2.el8_7, +18 more
fixed: vendor fix RHSA-2023:1566
Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-162.18.1.el9_1, bpftool 5.14.0-162.18.1.el9_1, kernel-core 5.14.0-162.18.1.el9_1, kernel-tools 5.14.0-162.18.1.el9_1, python3-perf 5.14.0-162.18.1.el9_1, kernel-modules 5.14.0-162.18.1.el9_1, +16 more
fixed: vendor fix RHSA-2023:0951

show 28 more

Red Hat Enterprise Linux BaseOS AUS (v. 8.2) perf 4.18.0-193.100.1.el8_2, kernel 4.18.0-193.100.1.el8_2, bpftool 4.18.0-193.100.1.el8_2, kernel-core 4.18.0-193.100.1.el8_2, kernel-tools 4.18.0-193.100.1.el8_2, python3-perf 4.18.0-193.100.1.el8_2, +8 more
fixed: vendor fix RHSA-2023:1109
Red Hat Enterprise Linux BaseOS E4S (v. 8.1) perf 4.18.0-147.80.1.el8_1, kernel 4.18.0-147.80.1.el8_1, bpftool 4.18.0-147.80.1.el8_1, kernel-core 4.18.0-147.80.1.el8_1, kernel-tools 4.18.0-147.80.1.el8_1, python3-perf 4.18.0-147.80.1.el8_1, +14 more
fixed: vendor fix RHSA-2023:0856
Red Hat Enterprise Linux BaseOS E4S (v. 8.2) perf 4.18.0-193.100.1.el8_2, kernel 4.18.0-193.100.1.el8_2, bpftool 4.18.0-193.100.1.el8_2, kernel-core 4.18.0-193.100.1.el8_2, kernel-tools 4.18.0-193.100.1.el8_2, python3-perf 4.18.0-193.100.1.el8_2, +14 more
fixed: vendor fix RHSA-2023:1109
Red Hat Enterprise Linux BaseOS EUS (v.8.4) perf 4.18.0-305.82.1.el8_4, kernel 4.18.0-305.82.1.el8_4, bpftool 4.18.0-305.82.1.el8_4, kernel-core 4.18.0-305.82.1.el8_4, kernel-tools 4.18.0-305.82.1.el8_4, python3-perf 4.18.0-305.82.1.el8_4, +20 more
fixed: vendor fix RHSA-2023:1221
Red Hat Enterprise Linux BaseOS EUS (v.8.6) perf 4.18.0-372.57.1.el8_6, kernel 4.18.0-372.57.1.el8_6, bpftool 4.18.0-372.57.1.el8_6, kernel-core 4.18.0-372.57.1.el8_6, kernel-tools 4.18.0-372.57.1.el8_6, python3-perf 4.18.0-372.57.1.el8_6, +21 more
fixed: vendor fix RHSA-2023:3388
Red Hat Enterprise Linux BaseOS EUS (v.9.0) kernel 5.14.0-70.49.1.el9_0, bpftool 5.14.0-70.49.1.el9_0, kernel-core 5.14.0-70.49.1.el9_0, kernel-tools 5.14.0-70.49.1.el9_0, python3-perf 5.14.0-70.49.1.el9_0, kernel-modules 5.14.0-70.49.1.el9_0, +19 more
fixed: vendor fix RHSA-2023:1202
Red Hat Enterprise Linux BaseOS TUS (v. 8.2) perf 4.18.0-193.100.1.el8_2, kernel 4.18.0-193.100.1.el8_2, bpftool 4.18.0-193.100.1.el8_2, kernel-core 4.18.0-193.100.1.el8_2, kernel-tools 4.18.0-193.100.1.el8_2, python3-perf 4.18.0-193.100.1.el8_2, +8 more
fixed: vendor fix RHSA-2023:1109
Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1160.88.1.el7, kernel 3.10.0-1160.88.1.el7, bpftool 3.10.0-1160.88.1.el7, python-perf 3.10.0-1160.88.1.el7, kernel-tools 3.10.0-1160.88.1.el7, kernel-tools-libs 3.10.0-1160.88.1.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.88.1.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.88.1.el7
fixed: vendor fix RHSA-2023:1091
Red Hat Enterprise Linux CRB EUS (v.8.4) kernel-debuginfo-common-x86_64 4.18.0-305.82.1.el8_4, kernel-debuginfo-common-aarch64 4.18.0-305.82.1.el8_4, kernel-debuginfo-common-ppc64le 4.18.0-305.82.1.el8_4
fixed: vendor fix RHSA-2023:1221
Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt 3.10.0-1160.88.1.rt56.1233.el7, kernel-rt-trace 3.10.0-1160.88.1.rt56.1233.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1160.88.1.rt56.1233.el7
fixed: vendor fix RHSA-2023:1092
Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-core 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-modules 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-debug-core 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-debug-modules 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-modules-extra 4.18.0-425.19.2.rt7.230.el8_7, +2 more
fixed: vendor fix RHSA-2023:1584
Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-1160.88.1.rt56.1233.el7, kernel-rt-kvm 3.10.0-1160.88.1.rt56.1233.el7, kernel-rt-trace 3.10.0-1160.88.1.rt56.1233.el7, kernel-rt-debug-kvm 3.10.0-1160.88.1.rt56.1233.el7, kernel-rt-trace-kvm 3.10.0-1160.88.1.rt56.1233.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1160.88.1.rt56.1233.el7
fixed: vendor fix RHSA-2023:1092
Red Hat Enterprise Linux NFV EUS (v.8.4) kernel-rt 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-kvm 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-core 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-modules 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-debug-kvm 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-debug-core 4.18.0-305.82.1.rt7.154.el8_4, +4 more
fixed: vendor fix RHSA-2023:1220
Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-core 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-modules 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-core 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-modules 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-modules-extra 5.14.0-162.18.1.rt21.181.el9_1, +2 more
fixed: vendor fix RHSA-2023:0979
Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-core 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-modules 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-core 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-modules 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-modules-extra 5.14.0-70.49.1.rt21.120.el9_0, +2 more
fixed: vendor fix RHSA-2023:1203
Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-kvm 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-core 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-modules 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-debug-kvm 4.18.0-425.19.2.rt7.230.el8_7, kernel-rt-debug-core 4.18.0-425.19.2.rt7.230.el8_7, +4 more
fixed: vendor fix RHSA-2023:1584
Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-kvm 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-core 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-modules 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-kvm 5.14.0-162.18.1.rt21.181.el9_1, kernel-rt-debug-core 5.14.0-162.18.1.rt21.181.el9_1, +4 more
fixed: vendor fix RHSA-2023:0979
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-kvm 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-core 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-modules 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-kvm 5.14.0-70.49.1.rt21.120.el9_0, kernel-rt-debug-core 5.14.0-70.49.1.rt21.120.el9_0, +4 more
fixed: vendor fix RHSA-2023:1203
Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2) kernel-rt 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-kvm 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-core 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-modules 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-debug-kvm 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-debug-core 4.18.0-193.100.1.rt13.151.el8_2, +4 more Red Hat Enterprise Linux Real Time TUS (v. 8.2) kernel-rt 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-core 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-modules 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-debug-core 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-debug-modules 4.18.0-193.100.1.rt13.151.el8_2, kernel-rt-modules-extra 4.18.0-193.100.1.rt13.151.el8_2, +2 more
fixed: vendor fix RHSA-2023:1110
Red Hat Enterprise Linux RT EUS (v.8.4) kernel-rt 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-core 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-modules 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-debug-core 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-debug-modules 4.18.0-305.82.1.rt7.154.el8_4, kernel-rt-modules-extra 4.18.0-305.82.1.rt7.154.el8_4, +2 more
fixed: vendor fix RHSA-2023:1220
Red Hat Enterprise Linux Server (v. 6 ELS) perf 2.6.32-754.50.1.el6, kernel 2.6.32-754.50.1.el6, kernel-kdump 2.6.32-754.50.1.el6, kernel-firmware 2.6.32-754.50.1.el6, kernel-abi-whitelists 2.6.32-754.50.1.el6, kernel-debuginfo-common-i686 2.6.32-754.50.1.el6, +2 more
fixed: vendor fix RHSA-2023:1822
Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1160.88.1.el7, kernel 3.10.0-1160.88.1.el7, bpftool 3.10.0-1160.88.1.el7, python-perf 3.10.0-1160.88.1.el7, kernel-kdump 3.10.0-1160.88.1.el7, kernel-tools 3.10.0-1160.88.1.el7, +11 more
fixed: vendor fix RHSA-2023:1091
Red Hat Enterprise Linux Server AUS (v. 7.4) perf 3.10.0-693.107.1.el7, kernel 3.10.0-693.107.1.el7, python-perf 3.10.0-693.107.1.el7, kernel-tools 3.10.0-693.107.1.el7, kernel-tools-libs 3.10.0-693.107.1.el7, kernel-abi-whitelists 3.10.0-693.107.1.el7, +1 more
fixed: vendor fix RHSA-2023:1706
Red Hat Enterprise Linux Server AUS (v. 7.6) perf 3.10.0-957.100.1.el7, kernel 3.10.0-957.100.1.el7, bpftool 3.10.0-957.100.1.el7, python-perf 3.10.0-957.100.1.el7, kernel-tools 3.10.0-957.100.1.el7, kernel-tools-libs 3.10.0-957.100.1.el7, +2 more
fixed: vendor fix RHSA-2023:1705
Red Hat Enterprise Linux Server AUS (v. 7.7) perf 3.10.0-1062.71.1.el7, kernel 3.10.0-1062.71.1.el7, bpftool 3.10.0-1062.71.1.el7, python-perf 3.10.0-1062.71.1.el7, kernel-tools 3.10.0-1062.71.1.el7, kernel-tools-libs 3.10.0-1062.71.1.el7, +2 more Red Hat Enterprise Linux Server E4S (v. 7.7) perf 3.10.0-1062.71.1.el7, kernel 3.10.0-1062.71.1.el7, bpftool 3.10.0-1062.71.1.el7, python-perf 3.10.0-1062.71.1.el7, kernel-tools 3.10.0-1062.71.1.el7, kpatch-patch-3_10_0-1062_68_1 1-1.el7, +6 more
fixed: vendor fix RHSA-2023:0944
Red Hat Enterprise Linux Server Optional (v. 6 ELS) python-perf 2.6.32-754.50.1.el6, kernel-debuginfo-common-i686 2.6.32-754.50.1.el6, kernel-debuginfo-common-s390x 2.6.32-754.50.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.50.1.el6
fixed: vendor fix RHSA-2023:1822
Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-1160.88.1.el7, kernel-debuginfo-common-x86_64 3.10.0-1160.88.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-1160.88.1.el7
fixed: vendor fix RHSA-2023:1091
Red Hat Enterprise Linux Server Optional AUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.107.1.el7
fixed: vendor fix RHSA-2023:1706

8 more fixed, 1 more not affected in the full advisory

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-25-105-08 updated 2025-04-07 cvss 7.8

ABB M2M Gateway

ABB M2M Gateway >=4.1.2, <=5.0.3, >=5.0.1, <=5.0.3
affected: mitigation

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-23-166-10 updated 2024-04-09 cvss 7.8

Siemens SIMATIC S7-1500 TM MFP BIOS

Siemens SIMATIC S7-1500 TM MFP - BIOS <V1.3.0
affected: fixed in V1.3.0, workaround support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-10)

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a kernel

Classification

Weakness

CWE-131 Incorrect Calculation of Buffer Size
CWE-787 Out-of-bounds Write

Technology feeds

Linux kernel rss critical rss

References

git.kernel.org /pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-avoid-integer-type-confusion-in-get_proc
vendor-advisory
git.kernel.org /pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-proc_skip_spaces-shouldn-t-think-it-is-w
vendor-advisory
bugzilla.redhat.com /show_bug.cgi?id=2152548
issue-tracking, third-party-advisory
seclists.org /oss-sec/2022/q4/178
mailing-list, third-party-advisory
packetstormsecurity.com /files/171289/Kernel-Live-Patch-Security-Notice-LNS-0092-1.html

Sources

CVE List CVE-2022-4378
NVD CVE-2022-4378

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary