CVE-2018-11840

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-09-18 · updated 2026-06-17
Weakness: CWE-415

Description

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, while processing the WLAN driver command ioctl a temporary buffer used to construct the reply message may be freed twice.

Affected products

Android: all versions

References

http://www.securityfocus.com/bid/107770
https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=a3d53bb977b907a5d11d22cad3f8ebf3f1d2b1ed
https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin
http://www.securityfocus.com/bid/107770
https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=a3d53bb977b907a5d11d22cad3f8ebf3f1d2b1ed
https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin

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