VulnerabilityAnalyzed
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.
MEDIUM 5.5EPSS 0.16%
Does this matter?
Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.16% probability · 6th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/074db6db03a0aaa78f05ca9d4838053713796665Patch
- https://git.kernel.org/stable/c/23b8b188cb32e5531d0f8d3af9506f8959cb369ePatch
- https://git.kernel.org/stable/c/39a31ad9e2a5ed7e9c9c6f711dca96c8c8f5f26bPatch
- https://git.kernel.org/stable/c/75597e8774f319152744d24e0683d9393540a951Patch
- https://git.kernel.org/stable/c/7b03312491f9fe6ba4d60c4023e7e61d2d1fed96Patch
- https://git.kernel.org/stable/c/a9e886f73dd717027028bb7e3bbca93601ecdfc7Patch
- https://git.kernel.org/stable/c/bbbac12083eff489b35d848332f0dff311131344Patch
- https://git.kernel.org/stable/c/cc42fb40171c249bb859071d81b4eb007398a0bcPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.