CVE-2026-43384

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Source

https://cve.org/CVERecord?id=CVE-2026-43384

Import Source

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2026-43384

Downstream

Published

2026-05-08T14:21:31.355Z

Modified

2026-06-18T03:55:27.249692125Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

net/tcp-ao: Fix MAC comparison to be constant-time

Details

In the Linux kernel, the following vulnerability has been resolved:

net/tcp-ao: 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.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43384.json",
    "cna_assigner": "Linux"
}

References

Affected packages

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

0a3a809089eb1d4a0a2fd0c16b520d603988c859

Fixed

8be6ed64966da48b6c4726918f106c18742a5125

Fixed

a269cbdc442f8658bca35383e34b9d0b0ff95a1c

Fixed

080b0e210088296dd50d6637c06c1db14246adfe

Fixed

67edfec516d30d3e62925c397be4a1e5185802fc

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43384.json"

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43384.json"