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Fencer Vulns
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 2022-07-14 4 y ago modified 2026-06-17 4 mo 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

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

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 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.