What is GHSA-q6rv-x86h-cv56?

GHSA-q6rv-x86h-cv56 is a security advisory published by GitHub Security Advisories with High severity. In arm_lpae_split_blk_unmap of io-pgtable-arm-common.c, there is a possible memory corruption due...

Which CVE IDs does GHSA-q6rv-x86h-cv56 cover?

GHSA-q6rv-x86h-cv56 covers the following CVE IDs: CVE-2026-59043. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q6rv-x86h-cv56?

GHSA-q6rv-x86h-cv56 has a CVSS v3 base score of 7.4, published by GitHub Security Advisories.

GHSA-q6rv-x86h-cv56HighCVSS 7.4

In arm_lpae_split_blk_unmap of io-pgtable-arm-common.c, there is a possible memory corruption due...

Vendor

GitHub Security Advisories

Published

November 2, 2026

Last Modified

November 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-59043 →

📋 Description

In arm_lpae_split_blk_unmap of io-pgtable-arm-common.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-59043
https://android.googlesource.com/kernel/common/+/82cd807f41d89d5cf2b4c3ac7affdb91188baea7
https://source.android.com/docs/security/bulletin/2026/2026-11-01
https://github.com/advisories/GHSA-q6rv-x86h-cv56