Skip to content
Fencer Intel
medium 4.7

CVE-2022-28693 json

Unprotected alternative channel of return branch target prediction in some Intel(R) Processors may allow an authorized user to potentially…

published last yr. modified 4mo ago also EUVD-2022-33135

cvss
4.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

Unprotected alternative channel of return branch target prediction in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Patch / fix

  • linux Ubuntu 18.04 LTS 4.15.0-204.215
  • linux Ubuntu 20.04 LTS 5.4.0-132.148
  • linux Ubuntu 22.04 LTS 5.15.0-46.49
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1150.163
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1089.97
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1017.21
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1093.102
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1016.21

ubuntu advisories UBUNTU-CVE-2022-28693

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 5.14.0-162.6.1.el9_1
  • perf RHEL 9 5.14.0-162.6.1.el9_1
  • bpftool RHEL 9 5.14.0-162.6.1.el9_1
  • kernel-core RHEL 9 5.14.0-162.6.1.el9_1
  • kernel-tools RHEL 9 5.14.0-162.6.1.el9_1
  • python3-perf RHEL 9 5.14.0-162.6.1.el9_1
  • kernel-modules RHEL 9 5.14.0-162.6.1.el9_1
  • kernel-zfcpdump RHEL 9 5.14.0-162.6.1.el9_1

red hat advisories RHSA-2022:8267RHSA-2022:7933RHSA-2022:8973RHSA-2022:8974RHSA-2022:7110RHSA-2022:7337

  • 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-2022:4617-1SUSE-SU-2022:4616-1SUSE-SU-2022:4615-1SUSE-SU-2022:4614-1SUSE-SU-2022:4613-1SUSE-SU-2022:4589-1

Is CVE-2022-28693 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-2022-28693 updated cvss 4.7

hw: cpu: Intel: information disclosure via local access

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
    affected: no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder (v. 9) kernel-debuginfo-common-s390x 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-aarch64 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-ppc64le 5.14.0-162.6.1.el9_1
    fixed: vendor fix RHSA-2022:8267
  • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-debuginfo-common-s390x 5.14.0-70.36.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.36.1.el9_0, kernel-debuginfo-common-aarch64 5.14.0-70.36.1.el9_0, kernel-debuginfo-common-ppc64le 5.14.0-70.36.1.el9_0
    fixed: vendor fix RHSA-2022:8973
  • Red Hat Enterprise Linux AppStream (v. 9) perf 5.14.0-162.6.1.el9_1, kernel-devel-matched 5.14.0-162.6.1.el9_1, kernel-debug-devel-matched 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-s390x 5.14.0-162.6.1.el9_1, kernel-zfcpdump-devel-matched 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.6.1.el9_1, +2 more
    fixed: vendor fix RHSA-2022:8267
  • Red Hat Enterprise Linux AppStream EUS (v.9.0) perf 5.14.0-70.36.1.el9_0, kernel-devel-matched 5.14.0-70.36.1.el9_0, kernel-debug-devel-matched 5.14.0-70.36.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.36.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.36.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.36.1.el9_0, +2 more
    fixed: vendor fix RHSA-2022:8973
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-372.32.1.el8_6, kernel 4.18.0-372.32.1.el8_6, bpftool 4.18.0-372.32.1.el8_6, kernel-core 4.18.0-372.32.1.el8_6, kernel-tools 4.18.0-372.32.1.el8_6, python3-perf 4.18.0-372.32.1.el8_6, +15 more
    fixed: vendor fix RHSA-2022:7110
  • Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-162.6.1.el9_1, bpftool 5.14.0-162.6.1.el9_1, kernel-core 5.14.0-162.6.1.el9_1, kernel-tools 5.14.0-162.6.1.el9_1, python3-perf 5.14.0-162.6.1.el9_1, kernel-modules 5.14.0-162.6.1.el9_1, +14 more
    fixed: vendor fix RHSA-2022:8267
  • Red Hat Enterprise Linux BaseOS EUS (v.9.0) kernel 5.14.0-70.36.1.el9_0, bpftool 5.14.0-70.36.1.el9_0, kernel-core 5.14.0-70.36.1.el9_0, kernel-tools 5.14.0-70.36.1.el9_0, python3-perf 5.14.0-70.36.1.el9_0, kernel-modules 5.14.0-70.36.1.el9_0, +14 more
    fixed: vendor fix RHSA-2022:8973
show 11 more
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1160.80.1.el7, kernel 3.10.0-1160.80.1.el7, bpftool 3.10.0-1160.80.1.el7, python-perf 3.10.0-1160.80.1.el7, kernel-tools 3.10.0-1160.80.1.el7, kernel-tools-libs 3.10.0-1160.80.1.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.80.1.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.80.1.el7
    fixed: vendor fix RHSA-2022:7337
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-372.32.1.el8_6, kernel-debuginfo-common-aarch64 4.18.0-372.32.1.el8_6, kernel-debuginfo-common-ppc64le 4.18.0-372.32.1.el8_6
    fixed: vendor fix RHSA-2022:7110
  • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt 3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-trace 3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1160.80.1.rt56.1225.el7 Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-kvm 3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-trace 3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-debug-kvm 3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-trace-kvm 3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1160.80.1.rt56.1225.el7
    fixed: vendor fix RHSA-2022:7338
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-kvm 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-core 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-modules 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-debug-kvm 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-debug-core 4.18.0-372.32.1.rt7.189.el8_6, +4 more
    fixed: vendor fix RHSA-2022:7134
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-core 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-modules 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-core 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-modules 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-modules-extra 5.14.0-162.6.1.rt21.168.el9_1, +2 more
    fixed: vendor fix RHSA-2022:7933
  • Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-core 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-modules 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-debug-core 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-debug-modules 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-modules-extra 5.14.0-70.36.1.rt21.108.el9_0, +2 more
    fixed: vendor fix RHSA-2022:8974
  • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-kvm 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-core 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-modules 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-kvm 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-core 5.14.0-162.6.1.rt21.168.el9_1, +4 more
    fixed: vendor fix RHSA-2022:7933
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-kvm 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-core 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-modules 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-debug-kvm 5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-debug-core 5.14.0-70.36.1.rt21.108.el9_0, +4 more
    fixed: vendor fix RHSA-2022:8974
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-core 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-modules 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-debug-core 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-debug-modules 4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-modules-extra 4.18.0-372.32.1.rt7.189.el8_6, +2 more
    fixed: vendor fix RHSA-2022:7134
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1160.80.1.el7, kernel 3.10.0-1160.80.1.el7, bpftool 3.10.0-1160.80.1.el7, python-perf 3.10.0-1160.80.1.el7, kernel-kdump 3.10.0-1160.80.1.el7, kernel-tools 3.10.0-1160.80.1.el7, +7 more Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-1160.80.1.el7, kernel-debuginfo-common-x86_64 3.10.0-1160.80.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-1160.80.1.el7 Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-1160.80.1.el7, kernel 3.10.0-1160.80.1.el7, bpftool 3.10.0-1160.80.1.el7, python-perf 3.10.0-1160.80.1.el7, kernel-tools 3.10.0-1160.80.1.el7, kernel-tools-libs 3.10.0-1160.80.1.el7, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.80.1.el7
    fixed: vendor fix RHSA-2022:7337
  • Red Hat Virtualization 4 Hypervisor for RHEL 8 perf 4.18.0-372.32.1.el8_6, kernel-debuginfo-common-x86_64 4.18.0-372.32.1.el8_6
    fixed: vendor fix RHSA-2022:7110

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 SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • n/a Intel(R) Processors

Classification

Weakness
  • CWE-420 Unprotected Alternate Channel

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.