Read the docs
TI-2025-00481 Aliases CVE-2025-0577GHSA-7qhw-4fcq-2g37

Glibc: vdso getrandom acceleration may return predictable randomness

Priority LOW 22CWE-331Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00246 15th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—glibc2.39-28.fc40 – 2.39-33.fc40; 2.40-12.fc41 – 2.40-17.fc41—No fix listedCNA
Red HatRed Hat Enterprise Linux 10——Not affectedCNA
Red HatRed Hat Enterprise Linux 6——Not affectedCNA
Red HatRed Hat Enterprise Linux 7——Not affectedCNA
Red HatRed Hat Enterprise Linux 8——Not affectedCNA
Red HatRed Hat Enterprise Linux 9——Not affectedCNA
  • glibc Vendor— Affected 2.39-28.fc40 – 2.39-33.fc40; 2.40-12.fc41 – 2.40-17.fc41 Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — Not affected CNA

CPE names CNA · 5

CPEVersionsRoleVendor
cpe:/o:redhat:enterprise_linux:1010—Red Hat
cpe:/o:redhat:enterprise_linux:66—Red Hat
cpe:/o:redhat:enterprise_linux:77—Red Hat
cpe:/o:redhat:enterprise_linux:88—Red Hat
cpe:/o:redhat:enterprise_linux:99—Red Hat
  • cpe:/o:redhat:enterprise_linux:10 Versions 10 — ·Red Hat
  • cpe:/o:redhat:enterprise_linux:6 Versions 6 — ·Red Hat
  • cpe:/o:redhat:enterprise_linux:7 Versions 7 — ·Red Hat
  • cpe:/o:redhat:enterprise_linux:8 Versions 8 — ·Red Hat
  • cpe:/o:redhat:enterprise_linux:9 Versions 9 — ·Red Hat

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 5 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-0577
  2. 2026-10-03 Alias added: GHSA-7qhw-4fcq-2g37

References

Other 2

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7412 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences