CVE-2026-43383
Last modified
CVE-2026-43383 is a critical-severity vulnerability rated 9.4/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: net/tcp-md5: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: net/tcp-md5: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 2.6.20, < 5.10.253 | — |
| Linux | Linux Kernel | >= 5.11, < 6.1.167 | — |
| Linux | Linux Kernel | >= 6.2, < 6.6.130 | — |
| Linux | Linux Kernel | >= 6.7, < 6.12.78 | — |
| Linux | Linux Kernel | >= 6.13, < 6.18.19 | — |
| Linux | Linux Kernel | >= 6.19, < 6.19.9 | — |
| Linux | Linux Kernel | 7.0 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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