CVE intelligence and bounded remediation

CVE-2018-7899 — Huawei Berkeley-Al20 Firmware security vulnerability

High CVSS 7.1

The Mali Driver of Huawei Berkeley-AL20 and Berkeley-BD smart phones with software Berkeley-AL20 8.0.0.105(C00), 8.0.0.111(C00), 8.0.0.112D(C00), 8.0.0.116(C00), 8.0.0.119(C00), 8.0.0.119D(C00), 8.0.0.122(C00), 8.0.0.132(C00), 8.0.0.132D(C00), 8.0.0.142(C00), 8.0.0.151(C00), Berkeley-BD 1.0.0.21, 1.0.0.22, 1.0.0.23, 1.0.0.24, 1.0.0.26, 1.0.0.29 has a double free vulnerability. An attacker can trick a user to install a malicious application and exploit this vulnerability when in the exception handling process. Successful exploitation may cause system reboot.

Severity
High
CVSS
7.1 (2.0)
Published
2018-04-19
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-415

Affected products

  • huawei / berkeley-al20_firmware / 8.0.0.105(c00)
  • huawei / berkeley-al20_firmware / 8.0.0.111(c00)
  • huawei / berkeley-al20_firmware / 8.0.0.112d(c00)
  • huawei / berkeley-al20_firmware / 8.0.0.116(c00)
  • huawei / berkeley-al20_firmware / 8.0.0.119(c00)
  • huawei / berkeley-al20_firmware / 8.0.0.119d(c00)

Showing 6 representative product identities from 17 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

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Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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