CVE-2021-3347 - CVE House
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Status published Unknown CVE-2021-3347

An issue was discovered in the Linux kernel through 5.10.11....

Vulnerability Description

An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

linux kernel, debian linux, fedora
Vulnerable Versions:
0, 9.0, 10.0, 32, 33

Timeline

Official Publish: January 29th, 2021
Last Modified: February 25th, 2026
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.