{"api_version":"1","generated_at":"2026-11-10T12:24:22+00:00","cve":"CVE-2026-100082","urls":{"html":"https://cve.report/CVE-2026-100082","api":"https://cve.report/api/cve/CVE-2026-100082.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-100082","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100082"},"summary":{"title":"xen-blkback: Avoid UAF when reading I/O statistics","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxen-blkback: Avoid UAF when reading I/O statistics\n\nReading I/O statistics via sysfs concurrently with tearing down a\nfrontend device might result in UAF or a NULL dereference, as the\nreading of the statistics data is not synchronized with freeing the\ndata.\n\nUse a rwlock for synchronizing.\n\nThis is XSA-528 / CVE-2026-100082","state":"PUBLISHED","assigner":"Linux","published_at":"2026-11-06 19:17:03","updated_at":"2026-11-06 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the Linux kernel, the following vulnerability has been resolved:\n\nxen-blkback: Avoid UAF when reading I/O statistics\n\nReading I/O statistics via sysfs concurrently with tearing down a\nfrontend device might result in UAF or a NULL dereference, as the\nreading of the statistics data is not synchronized with freeing the\ndata.\n\nUse a rwlock for synchronizing.\n\nThis is XSA-528 / CVE-2026-100082"}],"providerMetadata":{"dateUpdated":"2026-11-06T18:23:02.627Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/253cff0526781e28b1b0f9fdacd74ecdc23d3ab7"},{"url":"https://git.kernel.org/stable/c/2c9ccbe0ffcff3615c7ad917c49b67571a41f21c"},{"url":"https://git.kernel.org/stable/c/58ba056991dbcec8a75e6861cb4479ac947b69e6"},{"url":"https://git.kernel.org/stable/c/fe9ead8c5bdb752e329cecfecbdb5dfca5e9996b"},{"url":"https://git.kernel.org/stable/c/b764e17313534794aeb99c901869f213e36a16ef"},{"url":"https://git.kernel.org/stable/c/c49934da934cf495faf782aa5d84f413221c9be6"},{"url":"https://git.kernel.org/stable/c/b0378161c28e77e4d0e2eda3c9433ab4394d2a2f"}],"title":"xen-blkback: Avoid UAF when reading I/O 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dereference, as the\nreading of the statistics data is not synchronized with freeing the\ndata.\n\nUse a rwlock for synchronizing.\n\nThis is XSA-528 / CVE-2026-100082","Type":"Description","Title":"xen-blkback: Avoid UAF when reading I/O statistics"}]}}}