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Fencer Intel
medium 6.5

CVE-2022-23825 json

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosur…

published 4y ago modified 4mo ago also EUVD-2022-28754

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.

Patch / fix

  • xen Debian 14, Debian 13, Debian 12 4.16.2-1

debian advisories DEBIAN-CVE-2022-23825

  • linux Ubuntu 22.04 LTS 5.15.0-46.49
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1017.21
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1016.21
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1014.17
  • linux-ibm Ubuntu 22.04 LTS 5.15.0-1012.14
  • linux-kvm Ubuntu 22.04 LTS 5.15.0-1016.19
  • linux-azure Ubuntu 22.04 LTS 5.15.0-1017.20
  • linux-gkeop Ubuntu 22.04 LTS 5.15.0-1002.4

ubuntu advisories UBUNTU-CVE-2022-23825

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

  • xen SLES for SAP 15, SLE High Performance Computing 15-LTSS, SLE High Performance Computing 15-ESPOS 4.10.4_36-150000.3.77.1
  • xen SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +3 more 4.12.4_26-150100.3.75.1
  • xen SLE Module for Server Applications 15 SP3, SLE Module for Basesystem 15 SP3, SLE Micro 5.2 +3 more 4.14.5_04-150300.3.32.1
  • xen SLE Module for Server Applications 15 SP4, SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 4.16.1_06-150400.4.8.1
  • xen SLES for SAP 15 SP2, SLES 15 SP2-LTSS, SLES 15 SP2-BCL +6 more 4.13.4_12-150200.3.58.1
  • xen SLES 12 SP3-BCL 4.9.4_30-3.106.1
  • xen SLES 12 SP2-BCL 4.7.6_24-43.91.1
  • xen SLES for SAP 12 SP4, SLES 12 SP4-LTSS, OpenStack Cloud Crowbar 9 +1 more 4.11.4_30-2.76.1

suse advisories SUSE-SU-2022:2601-1SUSE-SU-2022:2600-1SUSE-SU-2022:2599-2SUSE-SU-2022:2599-1SUSE-SU-2022:2597-1SUSE-SU-2022:2591-1

  • kernel-rt AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
  • kernel-rt-kvm AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
  • kernel-rt-core AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
  • kernel-rt-modules AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
  • kernel-rt-debug-kvm AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
  • kernel-rt-debug-core AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
  • kernel-rt-debug-modules AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
  • kernel-rt-modules-extra AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1

almalinux advisories ALSA-2022:7933ALSA-2022:8267ALSA-2022:7110ALSA-2022:7134

  • kernel-rt Rocky Linux 8 4.18.0-372.32.1.rt7.189.el8_6
  • kernel Rocky Linux 8 4.18.0-372.32.1.el8_6

rocky linux advisories RLSA-2022:7134RLSA-2022:7110

  • xen Alpine 3.13 4.14.5-r4
  • xen Alpine 3.15, Alpine 3.14 4.15.3-r1
  • xen Alpine 3.16 4.16.1-r4
  • xen Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 4.16.1-r5

alpine advisories ALPINE-CVE-2022-23825

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2022-23825 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-2022-23825 updated cvss 5.6

hw: cpu: AMD: Branch Type Confusion (non-retbleed)

  • 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

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • AMD AMD Processors

Classification

Weakness
  • CWE-668 Exposure of Resource to Wrong Sphere
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.