Unrated severityNVD Advisory· Published Nov 6, 2026
CVE-2026-100082
CVE-2026-100082
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
Affected products
1Patches
Vulnerability mechanics
References
9- www.openwall.com/lists/oss-security/2026/11/06/11nvd
- xenbits.xen.org/xsa/advisory-528.htmlnvd
- git.kernel.org/stable/c/253cff0526781e28b1b0f9fdacd74ecdc23d3ab7nvd
- git.kernel.org/stable/c/2c9ccbe0ffcff3615c7ad917c49b67571a41f21cnvd
- git.kernel.org/stable/c/58ba056991dbcec8a75e6861cb4479ac947b69e6nvd
- git.kernel.org/stable/c/b0378161c28e77e4d0e2eda3c9433ab4394d2a2fnvd
- git.kernel.org/stable/c/b764e17313534794aeb99c901869f213e36a16efnvd
- git.kernel.org/stable/c/c49934da934cf495faf782aa5d84f413221c9be6nvd
- git.kernel.org/stable/c/fe9ead8c5bdb752e329cecfecbdb5dfca5e9996bnvd
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