Read the docs
TI-2021-00430 Aliases CVE-2021-0512GHSA-x4h3-hq3r-rqx8

Out-of-bounds write in Android

Priority LOW 34CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 9 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

In __hidinput_change_resolution_multipliers of hid-input.c, there is a possible out of bounds write due to a heap buffer overflow. 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-173843328References: Upstream kernel

Why it matters now

EPSS 0.00282 20th percentileScored 2026-11-07
Fix Partial Red Hat: 7 advisoriesRed Hat: 9 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

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 7 advisories

  • RHSA-2021:4750 Released 2021-11-19 · Red Hat rating Important
    Red Hat Virtualization Host security and bug fix update [ovirt-4.4.9] 0-day
    • Red Hat Virtualization 4 Hypervisor for RHEL 8 redhat-virtualization-host-4.4.9-202111172338_8.5, redhat-virtualization-host-image-update-4.4.9-202111172338_8.5
  • RHSA-2021:4122 Released 2021-11-03 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS (v. 8) kpatch-patch-4_18_0-305-1-6.el8, kpatch-patch-4_18_0-305_10_2-1-3.el8_4, kpatch-patch-4_18_0-305_12_1-1-2.el8_4 +4
  • RHSA-2021:4088 Released 2021-11-02 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-core-4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-debug-4.18.0-305.25.1.rt7.97.el8_4 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-core-4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-debug-4.18.0-305.25.1.rt7.97.el8_4 +9
Show 4 more Red Hat advisories
  • RHSA-2021:4056 Released 2021-11-02 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-305.25.1.el8_4
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-305.25.1.el8_4, kernel-4.18.0-305.25.1.el8_4, kernel-abi-stablelists-4.18.0-305.25.1.el8_4 +19
  • RHSA-2021:3446 Released 2021-09-07 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v. 8.2) kernel-tools-libs-devel-4.18.0-193.65.2.el8_2
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.2) bpftool-4.18.0-193.65.2.el8_2, kernel-4.18.0-193.65.2.el8_2, kernel-abi-whitelists-4.18.0-193.65.2.el8_2 +19
  • RHSA-2021:3445 Released 2021-09-07 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time EUS (v. 8.2) kernel-rt-4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-core-4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-debug-4.18.0-193.65.2.rt13.117.el8_2 +7
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) kernel-rt-4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-core-4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-debug-4.18.0-193.65.2.rt13.117.el8_2 +9
  • RHSA-2021:3443 Released 2021-09-07 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.2) kpatch-patch-4_18_0-193_19_1-1-12.el8_2, kpatch-patch-4_18_0-193_28_1-1-10.el8_2, kpatch-patch-4_18_0-193_29_1-1-10.el8_2 +9

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2021:4056
Red Hat CodeReady Linux Builder EUS (v. 8.2)Fixed RHSA-2021:3446
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2021:4056, RHSA-2021:4122
Red Hat Enterprise Linux BaseOS EUS (v. 8.2)Fixed RHSA-2021:3443, RHSA-2021:3446
Red Hat Enterprise Linux Real Time (v. 8)Fixed RHSA-2021:4088
Red Hat Enterprise Linux Real Time EUS (v. 8.2)Fixed RHSA-2021:3445
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2021:4088
Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2)Fixed RHSA-2021:3445
Red Hat Virtualization 4 Hypervisor for RHEL 8Fixed RHSA-2021:4750
Not affected: 3 products
  • RHEL 8-based RHEV-H for RHEV 4 (build requirements)
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-0512
  2. 2026-10-03 Alias added: GHSA-x4h3-hq3r-rqx8

References

Patch 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