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 v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/074db6db03a0aaa78f05ca9d4838053713796665	Patch
https://git.kernel.org/stable/c/23b8b188cb32e5531d0f8d3af9506f8959cb369e	Patch
https://git.kernel.org/stable/c/39a31ad9e2a5ed7e9c9c6f711dca96c8c8f5f26b	Patch
https://git.kernel.org/stable/c/75597e8774f319152744d24e0683d9393540a951	Patch
https://git.kernel.org/stable/c/7b03312491f9fe6ba4d60c4023e7e61d2d1fed96	Patch
https://git.kernel.org/stable/c/a9e886f73dd717027028bb7e3bbca93601ecdfc7	Patch
https://git.kernel.org/stable/c/bbbac12083eff489b35d848332f0dff311131344	Patch
https://git.kernel.org/stable/c/cc42fb40171c249bb859071d81b4eb007398a0bc	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

24 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: crypto: drbg - Corrección de la devolución de éxito en caso de fallo en CTR_DRBG drbg_ctr_generate() a veces devuelve éxito cuando falla, dejando el búfer de salida sin inicializar. Corregido.

Information

Published : 2026-07-25 10:17

Updated : 2026-10-24 13:10

NVD link : CVE-2026-64306

Mitre link : CVE-2026-64306

CVE.ORG link : CVE-2026-64306

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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