CVE-2026-56911 · Infrastructure
NO FIX YET
A heap buffer overflow in the hwcrypto proxy's FIPS HMAC request handler lacks a bounds check. A local app with system-level execution could use it to escalate privileges.
first public Nov 10, 2026 · 1 source
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The sources name no product or version, only the file hwcrypto_proxy.c and the handle_fips_hmac_req function. The flaw is local and needs system-level execution, so it matters on devices where that code runs. unknown for the affected builds.
Who cares android, local-privilege-escalation
Unknown from the sources.
No fix yet, per the sources.
In handle_fips_hmac_req of hwcrypto_proxy.c, there is a possible heap buffer overflow due to missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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