CVE-2026-93801
High
Description
In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifs_open_info_data Stack-allocated cifs_open_info_data may contain random data. This can make some fields have wrong value if they are not set later.
SeverityHigh
CVSS7.0
Exploit probability—
Product
Linux
PublishedSep 24, 2026
First seenSep 24, 2026
How to fix
Update
- Linux Linux2c5db82778f560121efda9e052e2f19c2d807c1b, 74ff47e6c4213fcfeba2de448d9cbda200507d22, 22532dd88694ed20bdd47523ffa709f166ce776b, 8fce4cf4369c766a3293a05419500cbfde72e60d, 6.6.160, 6.12.111, 6.18 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 436cfdbc57d98808fce427d9a8d97691374989b3 ≤ v < 2c5db82778f560121efda9e052e2f19c2d807c1b, fc2f2011d3d84b56f536b4a25a4bb2fa1b13d520 ≤ v < 74ff47e6c4213fcfeba2de448d9cbda200507d22, 057ac50638bcece64b3b436d3a61b70ed6c01a34 ≤ v < 22532dd88694ed20bdd47523ffa709f166ce776b, 057ac50638bcece64b3b436d3a61b70ed6c01a34 ≤ v < 8fce4cf4369c766a3293a05419500cbfde72e60d, 83d3bc866530a36a465b47cce4d2a9def2411960, 6.6.113 ≤ v < 6.6.160, 6.12.54 ≤ v < 6.12.111, 6.17.4 ≤ v < 6.18, 6.18 | 2c5db82778f560121efda9e052e2f19c2d807c1b, 74ff47e6c4213fcfeba2de448d9cbda200507d22, 22532dd88694ed20bdd47523ffa709f166ce776b, 8fce4cf4369c766a3293a05419500cbfde72e60d, 6.6.160, 6.12.111, 6.18 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.