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TI-2023-07511 Aliases CVE-2023-21102GHSA-h5cm-gwjx-3qq9

Improper check for unusual conditions in Android

Priority LOW 35CWE-754Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

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

Summary

In __efi_rt_asm_wrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-260821414References: Upstream kernel

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00176 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—AndroidAndroid kernel—No fix listedCNA
  • Android Vendor— Affected Android kernel Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*not specified by NVDVulnerableGoogle
  • cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Google

Remediation

Red Hat 2 advisories

  • RHSA-2023:5069 Released 2023-09-12 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-284.30.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.30.1.el9_2, kernel-64k-devel-5.14.0-284.30.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.0.0-284.30.1.el9_2, kernel-5.14.0-284.30.1.el9_2, kernel-64k-5.14.0-284.30.1.el9_2 +29
    • Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-284.30.1.el9_2
  • RHSA-2023:5091 Released 2023-09-12 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-284.30.1.rt14.315.el9_2, kernel-rt-core-5.14.0-284.30.1.rt14.315.el9_2, kernel-rt-debug-5.14.0-284.30.1.rt14.315.el9_2 +11
    • Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-284.30.1.rt14.315.el9_2, kernel-rt-core-5.14.0-284.30.1.rt14.315.el9_2, kernel-rt-debug-5.14.0-284.30.1.rt14.315.el9_2 +9

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:5069
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2023:5069
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:5069
Red Hat Enterprise Linux NFV (v. 9)Fixed RHSA-2023:5091
Red Hat Enterprise Linux RT (v. 9)Fixed RHSA-2023:5091
Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux AppStream (v. 9)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-21102
  2. 2026-10-03 Alias added: GHSA-h5cm-gwjx-3qq9
  3. 2026-11-05 Affected versions changed · Red Hat

References

Exploit 1

  • TI-2026-42236 Improper authorization in Google Android KEVCVSS 3.1HIGH 8.8
  • TI-2025-30821 Use after free in Google Android KEVCVSS 3.1HIGH 8.8
  • TI-2023-17777 Improper privilege management in Google Android KEVCVSS 3.1HIGH 8.8
  • TI-2025-30872 Integer overflow in Google Android KEVCVSS 3.1HIGH 8.4
  • TI-2024-21766 there is a possible way to bypass due to a logic error in the code. KEVCVSS 3.1HIGH 8.1
  • TI-2025-30849 Missing authentication in Google Android KEVCVSS 3.1HIGH 7.8
See all 8410 →

Sources

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