Read the docs
TI-2026-68495 Aliases CVE-2026-55307GHSA-37v5-p4pc-4jwq

Information disclosure in Android kernel hwcrypto-kdn driver

Priority LOW 19CWE-269Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-269.

Summary

Google Android kernel contains an information disclosure flaw in kdn_set_sysregs_prot of hwcrypto-kdn.c, caused by a logic error. A local attacker with System execution privileges can read information they should not access, and no user interaction is needed. The weakness is classified as CWE-269 (Improper Privilege Management).

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

In kdn_set_sysregs_prot of hwcrypto-kdn.c, there is a possible information disclosure due to a logic error in the code. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00074 0th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleAndroidAndroid kernel—No fix listedCNA
  • Android VendorGoogle Affected Android kernel Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:google:android:*:*:*:*:*:*:*:*——Google
  • cpe:2.3:o:google:android:*:*:*:*:*:*:*:* Versions — — ·Google

Remediation

The sources list no fixed version for Android.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-55307
  2. 2026-10-07 Alias added: GHSA-37v5-p4pc-4jwq

References

  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
See all 17247 →

Sources