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TI-2022-11337 Aliases CVE-2022-28693

Unprotected alternative channel of return branch target prediction in some Intel(R)…

Priority LOW 21CWE-420Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 24 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00171 6th percentileScored 2026-11-07
Fix Partial Red Hat: 8 advisoriesRed Hat: 24 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Intel(R) ProcessorsSee references—No fix listedCNA
  • Intel(R) Processors Vendor— Affected See references Fixed in — No fix listed CNA

Remediation

Red Hat 8 advisories

  • RHSA-2022:8973 Released 2022-12-13 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-tools-libs-devel-5.14.0-70.36.1.el9_0
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) kernel-debug-devel-5.14.0-70.36.1.el9_0, kernel-debug-devel-matched-5.14.0-70.36.1.el9_0, kernel-devel-5.14.0-70.36.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) bpftool-5.14.0-70.36.1.el9_0, kernel-5.14.0-70.36.1.el9_0, kernel-abi-stablelists-5.14.0-70.36.1.el9_0 +14
  • RHSA-2022:8974 Released 2022-12-13 · Red Hat rating Important
    kernel-rt security and bug fix update
    • 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-debug-5.14.0-70.36.1.rt21.108.el9_0 +7
    • 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-core-5.14.0-70.36.1.rt21.108.el9_0, kernel-rt-debug-5.14.0-70.36.1.rt21.108.el9_0 +9
  • RHSA-2022:8267 Released 2022-11-15 · Red Hat rating Moderate
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-162.6.1.el9_1
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-debug-devel-5.14.0-162.6.1.el9_1, kernel-debug-devel-matched-5.14.0-162.6.1.el9_1, kernel-devel-5.14.0-162.6.1.el9_1 +5
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-5.14.0-162.6.1.el9_1, kernel-5.14.0-162.6.1.el9_1, kernel-abi-stablelists-5.14.0-162.6.1.el9_1 +14
Show 5 more Red Hat advisories
  • RHSA-2022:7933 Released 2022-11-15 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • 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-debug-5.14.0-162.6.1.rt21.168.el9_1 +7
    • Red Hat Enterprise Linux Real Time for NFV (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-debug-5.14.0-162.6.1.rt21.168.el9_1 +9
  • RHSA-2022:7338 Released 2022-11-02 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-debug-3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-debug-devel-3.10.0-1160.80.1.rt56.1225.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-debug-3.10.0-1160.80.1.rt56.1225.el7, kernel-rt-debug-devel-3.10.0-1160.80.1.rt56.1225.el7 +7
  • RHSA-2022:7337 Released 2022-11-02 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1160.80.1.el7, kernel-3.10.0-1160.80.1.el7, kernel-abi-whitelists-3.10.0-1160.80.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.80.1.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.80.1.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1160.80.1.el7, kernel-3.10.0-1160.80.1.el7, kernel-abi-whitelists-3.10.0-1160.80.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1160.80.1.el7, kernel-tools-libs-devel-3.10.0-1160.80.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1160.80.1.el7, kernel-3.10.0-1160.80.1.el7, kernel-abi-whitelists-3.10.0-1160.80.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.80.1.el7
  • RHSA-2022:7134 Released 2022-10-25 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV (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-debug-4.18.0-372.32.1.rt7.189.el8_6 +9
    • 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-debug-4.18.0-372.32.1.rt7.189.el8_6 +7
  • RHSA-2022:7110 Released 2022-10-25 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-372.32.1.el8_6, kernel-4.18.0-372.32.1.el8_6, kernel-abi-stablelists-4.18.0-372.32.1.el8_6 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-372.32.1.el8_6
    • Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.32.1.el8_6, perf-4.18.0-372.32.1.el8_6

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2022:8267
Red Hat CodeReady Linux Builder EUS (v.9.0)Fixed RHSA-2022:8973
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:8267
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2022:8973
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2022:7110
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2022:8267
Red Hat Enterprise Linux BaseOS EUS (v.9.0)Fixed RHSA-2022:8973
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2022:7110
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2022:7337
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2022:7337
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2022:7337
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2022:7134
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2022:7134
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2022:7933
Red Hat Enterprise Linux Real Time EUS (v.9.0)Fixed RHSA-2022:8974
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2022:7933
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0)Fixed RHSA-2022:8974
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2022:7337
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2022:7337
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2022:7337
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2022:7337
Red Hat Enterprise Linux for Real Time (v. 7)Fixed RHSA-2022:7338
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2022:7338
Red Hat Virtualization 4 Hypervisor for RHEL 8Fixed RHSA-2022:7110

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-28693

References

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences