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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0022.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
cde001e4c3c3625c60b68a83eb1f1c2572dee07a affected < 074db6db03a0aaa78f05ca9d4838053713796665
cde001e4c3c3625c60b68a83eb1f1c2572dee07a affected < 7b03312491f9fe6ba4d60c4023e7e61d2d1fed96
cde001e4c3c3625c60b68a83eb1f1c2572dee07a affected < 75597e8774f319152744d24e0683d9393540a951
cde001e4c3c3625c60b68a83eb1f1c2572dee07a affected < cc42fb40171c249bb859071d81b4eb007398a0bc
cde001e4c3c3625c60b68a83eb1f1c2572dee07a affected < bbbac12083eff489b35d848332f0dff311131344
cde001e4c3c3625c60b68a83eb1f1c2572dee07a affected < 23b8b188cb32e5531d0f8d3af9506f8959cb369e
cde001e4c3c3625c60b68a83eb1f1c2572dee07a affected < a9e886f73dd717027028bb7e3bbca93601ecdfc7
cde001e4c3c3625c60b68a83eb1f1c2572dee07a affected < 39a31ad9e2a5ed7e9c9c6f711dca96c8c8f5f26b
f60b0fa8bbddde66f1d197be07120264b555c84a affected —
3.12.44 affected < 3.13
Linux Linux affected
Version Status Constraints
4.1 affected —
0 unaffected < 4.1
5.10.261 unaffected ≤ 5.10.*
5.15.212 unaffected ≤ 5.15.*
6.1.178 unaffected ≤ 6.1.*
6.6.145 unaffected ≤ 6.6.*
6.12.96 unaffected ≤ 6.12.*
6.18.39 unaffected ≤ 6.18.*
7.1.4 unaffected ≤ 7.1.*
7.2-rc1 unaffected ≤ *

No data.

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/074db6db03a0aaa78f05ca9d4838053713796665 cve-icon
https://git.kernel.org/stable/c/23b8b188cb32e5531d0f8d3af9506f8959cb369e cve-icon
https://git.kernel.org/stable/c/39a31ad9e2a5ed7e9c9c6f711dca96c8c8f5f26b cve-icon
https://git.kernel.org/stable/c/75597e8774f319152744d24e0683d9393540a951 cve-icon
https://git.kernel.org/stable/c/7b03312491f9fe6ba4d60c4023e7e61d2d1fed96 cve-icon
https://git.kernel.org/stable/c/a9e886f73dd717027028bb7e3bbca93601ecdfc7 cve-icon
https://git.kernel.org/stable/c/bbbac12083eff489b35d848332f0dff311131344 cve-icon
https://git.kernel.org/stable/c/cc42fb40171c249bb859071d81b4eb007398a0bc cve-icon
History

Sat, 25 Jul 2026 09:30:00 +0000

Type Values Removed Values Added
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.
Title crypto: drbg - Fix returning success on failure in CTR_DRBG
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-07-25T08:49:40.153Z

Reserved: 2026-07-19T15:36:31.779Z

Link: CVE-2026-64306

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.