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CVE-2026-64306

UnknownEPSS 0.21%

Last modified

CVE-2026-64306 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTR_DRBG drbg_ctr_generate() sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTR_DRBG drbg_ctr_generate() sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it.

Metrics

EPSS Probability
0.21%

11.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= cde001e4c3c3625c60b68a83eb1f1c2572dee07a, < 074db6db03a0aaa78f05ca9d4838053713796665; >= cde001e4c3c3625c60b68a83eb1f1c2572dee07a, < 7b03312491f9fe6ba4d60c4023e7e61d2d1fed96; >= cde001e4c3c3625c60b68a83eb1f1c2572dee07a, < 75597e8774f319152744d24e0683d9393540a951; >= cde001e4c3c3625c60b68a83eb1f1c2572dee07a, < cc42fb40171c249bb859071d81b4eb007398a0bc; >= cde001e4c3c3625c60b68a83eb1f1c2572dee07a, < bbbac12083eff489b35d848332f0dff311131344; >= cde001e4c3c3625c60b68a83eb1f1c2572dee07a, < 23b8b188cb32e5531d0f8d3af9506f8959cb369e; >= cde001e4c3c3625c60b68a83eb1f1c2572dee07a, < a9e886f73dd717027028bb7e3bbca93601ecdfc7; >= cde001e4c3c3625c60b68a83eb1f1c2572dee07a, < 39a31ad9e2a5ed7e9c9c6f711dca96c8c8f5f26b; f60b0fa8bbddde66f1d197be07120264b555c84a; >= 3.12.44, < 3.13
LinuxLinux4.1

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-64306?
In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTR_DRBG drbg_ctr_generate() sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it.
How severe is CVE-2026-64306?
Severity scoring for CVE-2026-64306 is pending analysis. The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-64306?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST