CVE-2026-100082
xen-blkback: Avoid UAF when reading I/O statistics
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Nov 6, 2026 |
| Last Updated | Nov 6, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 253cff0526781e28b1b0f9fdacd74ecdc23d3ab7 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2c9ccbe0ffcff3615c7ad917c49b67571a41f21c 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 58ba056991dbcec8a75e6861cb4479ac947b69e6 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fe9ead8c5bdb752e329cecfecbdb5dfca5e9996b 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b764e17313534794aeb99c901869f213e36a16ef 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c49934da934cf495faf782aa5d84f413221c9be6 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b0378161c28e77e4d0e2eda3c9433ab4394d2a2f 0 < 5.10.274 0 < 5.15.225 0 < 6.1.192 0 < 6.6.162 0 < 6.12.116 0 < 6.18.62 0 < 7.3.3
Linux / Linux
All versions affected References
git.kernel.org: https://git.kernel.org/stable/c/253cff0526781e28b1b0f9fdacd74ecdc23d3ab7 git.kernel.org: https://git.kernel.org/stable/c/2c9ccbe0ffcff3615c7ad917c49b67571a41f21c git.kernel.org: https://git.kernel.org/stable/c/58ba056991dbcec8a75e6861cb4479ac947b69e6 git.kernel.org: https://git.kernel.org/stable/c/fe9ead8c5bdb752e329cecfecbdb5dfca5e9996b git.kernel.org: https://git.kernel.org/stable/c/b764e17313534794aeb99c901869f213e36a16ef git.kernel.org: https://git.kernel.org/stable/c/c49934da934cf495faf782aa5d84f413221c9be6 git.kernel.org: https://git.kernel.org/stable/c/b0378161c28e77e4d0e2eda3c9433ab4394d2a2f openwall.com: http://www.openwall.com/lists/oss-security/2026/11/06/11 xenbits.xen.org: http://xenbits.xen.org/xsa/advisory-528.html