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Fencer Intel
medium 5.5

CVE-2022-2873 json

An out-of-bounds memory access flaw was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way a user triggers the…

published 4y ago modified 4mo ago also EUVD-2022-35105

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

An out-of-bounds memory access flaw was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input data. This flaw allows a local user to crash the system.

Patch / fix

  • linux linux_kernel 5.19
  • linux Debian 14, Debian 13, Debian 12 6.1.4-1

debian advisories DEBIAN-CVE-2022-2873

  • linux Ubuntu 22.04 LTS 5.15.0-47.51
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1019.23
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1017.23
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1015.18
  • linux-ibm Ubuntu 22.04 LTS 5.15.0-1013.15
  • linux-kvm Ubuntu 22.04 LTS 5.15.0-1017.21
  • linux-azure Ubuntu 22.04 LTS 5.15.0-1019.24
  • linux-gkeop Ubuntu 22.04 LTS 5.15.0-1002.4

ubuntu advisories UBUNTU-CVE-2022-2873

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

  • perf rhev hypervisor 4.4, RHEL 8.6 EUS 4.18.0-372.75.1.el8_6
  • 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
  • kernel-core RHEL 9 5.14.0-162.18.1.el9_1
  • kernel-tools RHEL 9 5.14.0-162.18.1.el9_1
  • python3-perf RHEL 9 5.14.0-162.18.1.el9_1
  • kernel-modules RHEL 9 5.14.0-162.18.1.el9_1

red hat advisories RHSA-2023:5627RHSA-2023:0951RHSA-2023:0979RHSA-2023:0854RHSA-2023:0832

  • 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 5.14.21-150400.24.21.1
  • kernel-64kb SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 5.14.21-150400.24.21.2
  • kernel-syms SLE Module for Development Tools 15 SP4, openSUSE Leap 15.4 5.14.21-150400.24.21.1
  • kernel-obs-qa openSUSE Leap 15.4 5.14.21-150400.24.21.1

suse advisories SUSE-SU-2022:4617-1SUSE-SU-2022:3293-1SUSE-SU-2022:3288-1

  • kernel AlmaLinux 9 5.14.0-162.18.1.el9_1
  • perf AlmaLinux 9 5.14.0-162.18.1.el9_1
  • bpftool AlmaLinux 9 5.14.0-162.18.1.el9_1
  • kernel-core AlmaLinux 9 5.14.0-162.18.1.el9_1
  • kernel-tools AlmaLinux 9 5.14.0-162.18.1.el9_1
  • python3-perf AlmaLinux 9 5.14.0-162.18.1.el9_1
  • kernel-modules AlmaLinux 9 5.14.0-162.18.1.el9_1
  • kernel-zfcpdump AlmaLinux 9 5.14.0-162.18.1.el9_1

almalinux advisories ALSA-2023:0951ALSA-2023:0979ALSA-2023:0832ALSA-2023:0854

  • kernel Rocky Linux 9 5.14.0-162.18.1.el9_1.cloud
  • kernel Rocky Linux 8 4.18.0-425.13.1.el8_7.cloud
  • kernel-rt Rocky Linux 9 5.14.0-162.18.1.rt21.181.el9_1
  • kernel-rt Rocky Linux 8 4.18.0-425.13.1.rt7.223.el8_7
  • kernel Rocky Linux 8 4.18.0-425.13.1.el8_7

rocky linux advisories RXSA-2023:0951RXSA-2023:0832RLSA-2023:0979RLSA-2023:0854RLSA-2023:0832

  • kernel CBL-Mariner 2.0 5.15.70.1-1

azure linux advisories AZL-10617

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

  • 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-2834AVG-2835AVG-2836AVG-2837

Is CVE-2022-2873 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2022-2873 updated cvss 6.2

kernel: an out-of-bounds vulnerability in i2c-ismt driver

  • 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, python-perf, kernel-kdump, +8 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-425.13.1.el8_7, kernel-debuginfo-common-aarch64 4.18.0-425.13.1.el8_7, kernel-debuginfo-common-ppc64le 4.18.0-425.13.1.el8_7
    fixed: vendor fix RHSA-2023:0832
  • 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 4.18.0-372.75.1.el8_6, kernel-debuginfo-common-aarch64 4.18.0-372.75.1.el8_6, kernel-debuginfo-common-ppc64le 4.18.0-372.75.1.el8_6
    fixed: vendor fix RHSA-2023:5627
  • 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 BaseOS (v. 8) perf 4.18.0-425.13.1.el8_7, kernel 4.18.0-425.13.1.el8_7, bpftool 4.18.0-425.13.1.el8_7, kernel-core 4.18.0-425.13.1.el8_7, kernel-tools 4.18.0-425.13.1.el8_7, python3-perf 4.18.0-425.13.1.el8_7, +15 more
    fixed: vendor fix RHSA-2023:0832
  • 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, +14 more
    fixed: vendor fix RHSA-2023:0951
  • Red Hat Enterprise Linux BaseOS EUS (v.8.6) perf 4.18.0-372.75.1.el8_6, kernel 4.18.0-372.75.1.el8_6, bpftool 4.18.0-372.75.1.el8_6, kernel-core 4.18.0-372.75.1.el8_6, kernel-tools 4.18.0-372.75.1.el8_6, python3-perf 4.18.0-372.75.1.el8_6, +15 more
    fixed: vendor fix RHSA-2023:5627
show 5 more
  • Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-core 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-modules 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-debug-core 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-debug-modules 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-modules-extra 4.18.0-425.13.1.rt7.223.el8_7, +2 more
    fixed: vendor fix RHSA-2023:0854
  • 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 for NFV (v. 8) kernel-rt 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-kvm 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-core 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-modules 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-debug-kvm 4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-debug-core 4.18.0-425.13.1.rt7.223.el8_7, +4 more
    fixed: vendor fix RHSA-2023:0854
  • 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 Virtualization 4 Hypervisor for RHEL 8 perf 4.18.0-372.75.1.el8_6, kernel-debuginfo-common-x86_64 4.18.0-372.75.1.el8_6
    fixed: vendor fix RHSA-2023:5627

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

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • n/a Kernel

Classification

Weakness
  • CWE-131 Incorrect Calculation of Buffer Size
Technology feeds

References

Sources

Fencer Intel 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.