CVE-2026-64306

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxcde001e4c3c3625c60b68a83eb1f1c2572dee07a < 074db6db03a0aaa78f05ca9d4838053713796665affected
LinuxLinuxcde001e4c3c3625c60b68a83eb1f1c2572dee07a < 7b03312491f9fe6ba4d60c4023e7e61d2d1fed96affected
LinuxLinuxcde001e4c3c3625c60b68a83eb1f1c2572dee07a < 75597e8774f319152744d24e0683d9393540a951affected
LinuxLinuxcde001e4c3c3625c60b68a83eb1f1c2572dee07a < cc42fb40171c249bb859071d81b4eb007398a0bcaffected
LinuxLinuxcde001e4c3c3625c60b68a83eb1f1c2572dee07a < bbbac12083eff489b35d848332f0dff311131344affected
LinuxLinuxcde001e4c3c3625c60b68a83eb1f1c2572dee07a < 23b8b188cb32e5531d0f8d3af9506f8959cb369eaffected
LinuxLinuxcde001e4c3c3625c60b68a83eb1f1c2572dee07a < a9e886f73dd717027028bb7e3bbca93601ecdfc7affected
LinuxLinuxcde001e4c3c3625c60b68a83eb1f1c2572dee07a < 39a31ad9e2a5ed7e9c9c6f711dca96c8c8f5f26baffected
LinuxLinuxf60b0fa8bbddde66f1d197be07120264b555c84aaffected
LinuxLinux3.12.44 < 3.13affected
LinuxLinux4.1affected
LinuxLinux0 < 4.1unaffected
LinuxLinux5.10.261 <= 5.10.*unaffected
LinuxLinux5.15.212 <= 5.15.*unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.96 <= 6.12.*unaffected
LinuxLinux6.18.39 <= 6.18.*unaffected
LinuxLinux7.1.4 <= 7.1.*unaffected
LinuxLinux7.2-rc1 <= *unaffected

Weaknesses

References