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CVE-2026-100082 Details

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

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/253cff0526781e28b1b0f9fdacd74ecdc23d3ab7	kernel.org
https://git.kernel.org/stable/c/2c9ccbe0ffcff3615c7ad917c49b67571a41f21c	kernel.org
https://git.kernel.org/stable/c/58ba056991dbcec8a75e6861cb4479ac947b69e6	kernel.org
https://git.kernel.org/stable/c/b0378161c28e77e4d0e2eda3c9433ab4394d2a2f	kernel.org
https://git.kernel.org/stable/c/b764e17313534794aeb99c901869f213e36a16ef	kernel.org
https://git.kernel.org/stable/c/c49934da934cf495faf782aa5d84f413221c9be6	kernel.org
https://git.kernel.org/stable/c/fe9ead8c5bdb752e329cecfecbdb5dfca5e9996b	kernel.org
http://www.openwall.com/lists/oss-security/2026/11/06/11	CVE
http://xenbits.xen.org/xsa/advisory-528.html	CVE

see all 9 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 6, 2026	New CVE Received	kernel.org
Nov 6, 2026	CVE Modified	CVE