What is CVE-2025-6395?

CVE-2025-6395 is a medium-severity vulnerability in Red Hat Ceph Storage 7, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2025-07-10.

How severe is CVE-2025-6395?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2025-6395 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Red Hat Ceph Storage 7

CVE-2025-6395

A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().

EPSS: 0.006 (45.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Red Hat Ceph Storage 7 — versions sha256:4d2f9dc5b2b33ee1c77bbfabcbbb9f4d94d343b04c4de2e4f8b3b81a1f0fd2fe, 7
Red Hat Discovery 2 — versions sha256:435ba9959b793d46a63a74c343bb8c3ff68350496afec12cc5e894dfc40b7648, 2.3.0-1760554384
Red Hat Enterprise Linux 10 — versions 0:3.8.9-9.el10_0.14
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8 — versions 0:3.6.16-8.el8_10.4
Red Hat Enterprise Linux 9 — versions 0:3.8.3-6.el9_6.2
Red Hat Enterprise Linux 9.2 Update Services For Sap Solutions — versions 0:3.7.6-21.el9_2.4
Red Hat Enterprise Linux 9.4 Extended Update Support — versions 0:3.8.3-4.el9_4.4
Red Hat Insights Proxy 1.5 — versions sha256:4ca38b33efec0d2dd17a8fd822a7c18281810676ceabb0c1db90953cb91cd5ea, 1.5.7-1759331989

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

References

secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2025-6395?: CVE-2025-6395 is a medium-severity vulnerability in Red Hat Ceph Storage 7, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2025-07-10.
How severe is CVE-2025-6395?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-6395 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.