CVE-2026-72066
High
Description
In the Linux kernel, the following vulnerability has been resolved: cpu: hotplug: Bound hotplug states sysfs output states_show() adds CPU hotplug state names into a single sysfs buffer using sprintf(). With enough registered states, this can write past the end of the PAGE_SIZE buffer. Use sysfs_emit_at() so output is bounded.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
Weakness typeCWE-120CWE-120
How to fix
Update
- Linux Linux27481cf4365a6ff5c9be3590143e7ed434000266, 2408be459c70ef4250da1a9e50f5478e6b250d61, de4d3d8ae17dc8b4cf8c59436c4b7e2dc2491635, 998f66e9ce320f3433f60b948e3698b744754a46, 61a73a123ac7a7fbc57382531f8cb7092d569aba, 6cb15b81ff545840048fb0e1a6e827d560dbf367, 631d53102da9f469c96b882b770336bec095b833, 86f436567f2516a0083b210bedc933544826a2c3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 98f8cdce1db580b99fce823a48eea2cb2bdb261e ≤ v < 27481cf4365a6ff5c9be3590143e7ed434000266, 98f8cdce1db580b99fce823a48eea2cb2bdb261e ≤ v < 2408be459c70ef4250da1a9e50f5478e6b250d61, 98f8cdce1db580b99fce823a48eea2cb2bdb261e ≤ v < de4d3d8ae17dc8b4cf8c59436c4b7e2dc2491635, 98f8cdce1db580b99fce823a48eea2cb2bdb261e ≤ v < 998f66e9ce320f3433f60b948e3698b744754a46, 98f8cdce1db580b99fce823a48eea2cb2bdb261e ≤ v < 61a73a123ac7a7fbc57382531f8cb7092d569aba, 98f8cdce1db580b99fce823a48eea2cb2bdb261e ≤ v < 6cb15b81ff545840048fb0e1a6e827d560dbf367, 98f8cdce1db580b99fce823a48eea2cb2bdb261e ≤ v < 631d53102da9f469c96b882b770336bec095b833, 98f8cdce1db580b99fce823a48eea2cb2bdb261e ≤ v < 86f436567f2516a0083b210bedc933544826a2c3, 4.6 | 27481cf4365a6ff5c9be3590143e7ed434000266, 2408be459c70ef4250da1a9e50f5478e6b250d61, de4d3d8ae17dc8b4cf8c59436c4b7e2dc2491635, 998f66e9ce320f3433f60b948e3698b744754a46, 61a73a123ac7a7fbc57382531f8cb7092d569aba, 6cb15b81ff545840048fb0e1a6e827d560dbf367, 631d53102da9f469c96b882b770336bec095b833, 86f436567f2516a0083b210bedc933544826a2c3 |
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