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CVE-2026-63967

Published Jul 19, 2026 EPSS 0.21% (11th pctl)

Overview

CVE-2026-63967 is a known-severity vulnerability. It was published on July 19, 2026.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

iio: imu: st_lsm6dsx: fix stack leak in tagged FIFO buffer

The tagged FIFO path declares iio_buff on the stack with __aligned(8)

but no initializer, but there is a hole in the structure, which will

then leak to userspace as ST_LSM6DSX_SAMPLE_SIZE bytes (6) will be

copied, but the space between that and the timestamp are not

initialized.

Commit c14edb4d0bdc ("iio:imu:st_lsm6dsx Fix alignment and data leak

issues") moved the untagged FIFO path to a kzalloc'd buffer in hw->scan,

but for the tagged path it only added the alignment qualifier and not

the initializer :(

Fix this by just zero-initializing the structure on the stack.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref git.kernel.org/stable/c/3147b303b8c7d9f91da4b849ece33b45048f5eaf Ref git.kernel.org/stable/c/890d0312d5f94be43eac21f5a34d3bccc60d051b Ref git.kernel.org/stable/c/babf1943a40bb5669db57d30ca16c22504b18e07 Ref git.kernel.org/stable/c/c9d8e9adaa63150ef7e833480b799d0bab83a276 Ref git.kernel.org/stable/c/d42ac0bfb6a16617c62a59d53706579c7fadbfa6 Ref git.kernel.org/stable/c/e6bb3a49c5f9de870ea95e69775df785728e3366 Ref git.kernel.org/stable/c/fe1a7f99e72ebd2880515332b79b8c256be22aca Ref git.kernel.org/stable/c/ff8d3c088b77b11782f2c3b97e37425be050e8de

Frequently Asked Questions

What is CVE-2026-63967?

CVE-2026-63967 is a known-severity vulnerability. It was published on July 19, 2026.

How severe is CVE-2026-63967?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-63967?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-63967?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-63967 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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