4.8Medium

CVE-2025-0577Glibc: vdso getrandom acceleration may return predictable randomness

glibc; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7 Published: (8 months ago)

Description

An insufficient entropy vulnerability was found in glibc. The getrandom and arc4random family of functions may return predictable randomness if these functions are called again after the fork, which happens concurrently with a call to any of these functions.

Weakness (CWE): CWE-331

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Red Hat Red Hat Enterprise Linux 10 —
Red Hat Red Hat Enterprise Linux 6 —
Red Hat Red Hat Enterprise Linux 7 —
Red Hat Red Hat Enterprise Linux 8 —
Red Hat Red Hat Enterprise Linux 9 —
— glibc 2.39-28.fc40 – ≤ 2.39-33.fc40, 2.40-12.fc41 – ≤ 2.40-17.fc41

References and patches