high 7.8

CVE-2022-1882 json

A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe post_one_notif…

published 2022-05-26 4 y ago modified 2026-10-14 25 d ago also EUVD-2022-25155

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

A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe post_one_notification() after free_pipe_info() that is already called. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Patch / fix

fixed in 1 distros 6 links 1

Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem V1.1

debian ubuntu red hat suse almalinux azure linux

linux Debian 14, Debian 13, Debian 12 5.18.16-1

debian advisories DEBIAN-CVE-2022-1882

linux Ubuntu 22.04 LTS 5.15.0-50.56
linux-aws Ubuntu 22.04 LTS 5.15.0-1021.25
linux-gcp Ubuntu 22.04 LTS 5.15.0-1019.25
linux-gke Ubuntu 22.04 LTS 5.15.0-1017.20
linux-ibm Ubuntu 22.04 LTS 5.15.0-1015.17
linux-kvm Ubuntu 22.04 LTS 5.15.0-1019.23
linux-azure Ubuntu 22.04 LTS 5.15.0-1021.26
linux-gkeop Ubuntu 22.04 LTS 5.15.0-1004.6

ubuntu advisories UBUNTU-CVE-2022-1882

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

kernel RHEL 9 5.14.0-284.11.1.el9_2
perf RHEL 9 5.14.0-284.11.1.el9_2
rtla RHEL 9 5.14.0-284.11.1.el9_2
bpftool RHEL 9 7.0.0-284.11.1.el9_2
kernel-64k RHEL 9 5.14.0-284.11.1.el9_2
kernel-core RHEL 9 5.14.0-284.11.1.el9_2
kernel-tools RHEL 9 5.14.0-284.11.1.el9_2
python3-perf RHEL 9 5.14.0-284.11.1.el9_2

red hat advisories RHSA-2023:2458 RHSA-2023:2148

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 5.14.21-150400.24.33.1
kernel-64kb SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 5.14.21-150400.24.33.2
kernel-syms SLE Module for Development Tools 15 SP4, openSUSE Leap 15.4 5.14.21-150400.24.33.1
kernel-obs-qa openSUSE Leap 15.4 5.14.21-150400.24.33.1

suse advisories SUSE-SU-2022:4617-1 SUSE-SU-2022:4113-1 SUSE-SU-2022:4072-1 SUSE-SU-2022:4039-1 SUSE-SU-2022:4035-1 SUSE-SU-2022:3998-1

kernel-rt AlmaLinux 9 5.14.0-284.11.1.rt14.296.el9_2
kernel-rt-kvm AlmaLinux 9 5.14.0-284.11.1.rt14.296.el9_2
kernel-rt-core AlmaLinux 9 5.14.0-284.11.1.rt14.296.el9_2
kernel-rt-modules AlmaLinux 9 5.14.0-284.11.1.rt14.296.el9_2
kernel-rt-debug-kvm AlmaLinux 9 5.14.0-284.11.1.rt14.296.el9_2
kernel-rt-debug-core AlmaLinux 9 5.14.0-284.11.1.rt14.296.el9_2
kernel-rt-modules-core AlmaLinux 9 5.14.0-284.11.1.rt14.296.el9_2
kernel-rt-debug-modules AlmaLinux 9 5.14.0-284.11.1.rt14.296.el9_2

almalinux advisories ALSA-2023:2148 ALSA-2023:2458

kernel CBL-Mariner 2.0 5.15.70.1-1

azure linux advisories AZL-10105

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

bugzilla.redhat.com/show_bug.cgi?id=2089701 advisory

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-2022-1882 updated 2026-11-05 cvss 7.0

kernel: use-after-free in free_pipe_info() could lead to privilege escalation

Red Hat Enterprise Linux AppStream (v. 9) perf 5.14.0-284.11.1.el9_2, rtla 5.14.0-284.11.1.el9_2, kernel-devel-matched 5.14.0-284.11.1.el9_2, kernel-64k-devel-matched 5.14.0-284.11.1.el9_2, kernel-debug-devel-matched 5.14.0-284.11.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.11.1.el9_2, +5 more Red Hat Enterprise Linux BaseOS (v. 9) bpftool 7.0.0-284.11.1.el9_2, kernel 5.14.0-284.11.1.el9_2, kernel-64k 5.14.0-284.11.1.el9_2, kernel-core 5.14.0-284.11.1.el9_2, kernel-tools 5.14.0-284.11.1.el9_2, python3-perf 5.14.0-284.11.1.el9_2, +28 more Red Hat Enterprise Linux CRB (v. 9) kernel-debuginfo-common-s390x 5.14.0-284.11.1.el9_2, kernel-debuginfo-common-x86_64 5.14.0-284.11.1.el9_2, kernel-debuginfo-common-aarch64 5.14.0-284.11.1.el9_2, kernel-debuginfo-common-ppc64le 5.14.0-284.11.1.el9_2
fixed: vendor fix RHSA-2023:2458
Red Hat Enterprise Linux NFV (v. 9) kernel-rt 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-kvm 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-core 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-modules 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-kvm 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-core 5.14.0-284.11.1.rt14.296.el9_2, +6 more Red Hat Enterprise Linux RT (v. 9) kernel-rt 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-core 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-modules 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-core 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-modules-core 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-modules 5.14.0-284.11.1.rt14.296.el9_2, +4 more
fixed: vendor fix RHSA-2023:2148
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, kernel-alt, python-perf, +9 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more
not affected: vulnerable code not present

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-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 ICSA-23-166-11 updated 2024-04-09 cvss 7.8

Siemens SIMATIC S7-1500 TM MFP Linux Kernel

Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem <V1.1
affected: fixed in V1.1, 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

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

n/a kernel
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem

Classification

Weakness

CWE-416 Use After Free

Technology feeds

Linux kernel rss critical rss

References

bugzilla.redhat.com /show_bug.cgi?id=2089701
issue-tracking, patch, third-party-advisory
lore.kernel.org /lkml/20220507115605.96775-1-tcs.kernel%40gmail.com/T/
security.netapp.com /advisory/ntap-20220715-0002/
third-party-advisory
cert-portal.siemens.com /productcert/html/ssa-831302.html
cert-portal.siemens.com /productcert/html/ssa-794697.html

Sources

CVE List CVE-2022-1882
NVD CVE-2022-1882

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