CVE-2026-64306
crypto: drbg - Fix returning success on failure in CTR_DRBG
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 25, 2026 |
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Affected Versions
Linux / Linux
cde001e4c3c3625c60b68a83eb1f1c2572dee07a < 074db6db03a0aaa78f05ca9d4838053713796665 cde001e4c3c3625c60b68a83eb1f1c2572dee07a < 7b03312491f9fe6ba4d60c4023e7e61d2d1fed96 cde001e4c3c3625c60b68a83eb1f1c2572dee07a < 75597e8774f319152744d24e0683d9393540a951 cde001e4c3c3625c60b68a83eb1f1c2572dee07a < cc42fb40171c249bb859071d81b4eb007398a0bc cde001e4c3c3625c60b68a83eb1f1c2572dee07a < bbbac12083eff489b35d848332f0dff311131344 cde001e4c3c3625c60b68a83eb1f1c2572dee07a < 23b8b188cb32e5531d0f8d3af9506f8959cb369e cde001e4c3c3625c60b68a83eb1f1c2572dee07a < a9e886f73dd717027028bb7e3bbca93601ecdfc7 cde001e4c3c3625c60b68a83eb1f1c2572dee07a < 39a31ad9e2a5ed7e9c9c6f711dca96c8c8f5f26b f60b0fa8bbddde66f1d197be07120264b555c84a 3.12.44 < 3.13
Linux / Linux
4.1
References
git.kernel.org: https://git.kernel.org/stable/c/074db6db03a0aaa78f05ca9d4838053713796665 git.kernel.org: https://git.kernel.org/stable/c/7b03312491f9fe6ba4d60c4023e7e61d2d1fed96 git.kernel.org: https://git.kernel.org/stable/c/75597e8774f319152744d24e0683d9393540a951 git.kernel.org: https://git.kernel.org/stable/c/cc42fb40171c249bb859071d81b4eb007398a0bc git.kernel.org: https://git.kernel.org/stable/c/bbbac12083eff489b35d848332f0dff311131344 git.kernel.org: https://git.kernel.org/stable/c/23b8b188cb32e5531d0f8d3af9506f8959cb369e git.kernel.org: https://git.kernel.org/stable/c/a9e886f73dd717027028bb7e3bbca93601ecdfc7 git.kernel.org: https://git.kernel.org/stable/c/39a31ad9e2a5ed7e9c9c6f711dca96c8c8f5f26b