CVE-2026-100082
Received Received - Intake

Xen-blkback UAF via I/O Statistics Race Condition

Publication date: 2026-11-06

Last updated on: 2026-11-06

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: xen-blkback: Avoid UAF when reading I/O statistics Reading I/O statistics via sysfs concurrently with tearing down a frontend device might result in UAF or a NULL dereference, as the reading of the statistics data is not synchronized with freeing the data. Use a rwlock for synchronizing. This is XSA-528 / CVE-2026-100082

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Meta Information

Published
2026-11-06
Last Modified
2026-11-06
Generated
2026-11-06
EPSS Evaluated
N/A
NVD
CVE-2026-100082
EUVD
EUVD-2026-118401

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux xen-blkback From 4.5 (inc)

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CWE ID Description
CWE-UNKNOWN

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