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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-25)

Published

2026-07-25

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/074db6db03a0aaa78f05ca9d4838053713796665
• https://git.kernel.org/stable/c/23b8b188cb32e5531d0f8d3af9506f8959cb369e
• https://git.kernel.org/stable/c/39a31ad9e2a5ed7e9c9c6f711dca96c8c8f5f26b
• https://git.kernel.org/stable/c/75597e8774f319152744d24e0683d9393540a951
• https://git.kernel.org/stable/c/7b03312491f9fe6ba4d60c4023e7e61d2d1fed96

Check your stackJSON