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Fencer Vulns
medium 5.5

CVE-2022-1615 json

In Samba, GnuTLS gnutls_rnd() can fail and give predictable random values.

published 2022-09-01 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-24904

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

In Samba, GnuTLS gnutls_rnd() can fail and give predictable random values.

Patch / fix

  • samba samba 4.17.0
  • samba Debian 14, Debian 13, Debian 12 2:4.16.5+dfsg-2

debian advisories DEBIAN-CVE-2022-1615

  • samba rhev hypervisor 4.4, RHEL 8.6 EUS 4.15.5-15.el8_6
  • libwbclient rhev hypervisor 4.4, RHEL 8.6 EUS 4.15.5-15.el8_6
  • libsmbclient rhev hypervisor 4.4, RHEL 8.6 EUS 4.15.5-15.el8_6
  • samba-common rhev hypervisor 4.4, RHEL 8.6 EUS 4.15.5-15.el8_6
  • samba RHEL 8 4.17.5-2.el8
  • ctdb RHEL 8 4.17.5-2.el8
  • libnetapi RHEL 8 4.17.5-2.el8
  • samba-libs RHEL 8 4.17.5-2.el8

red hat advisories RHSA-2024:0423RHSA-2023:2987RHSA-2023:2519

  • samba Enterprise Storage 7 4.13.13+git.554.0742ec9cb74-150200.3.18.2
  • samba SLE Module for Python 2 15 SP3, SLE Module for Basesystem 15 SP3, SLE Micro 5.2 +4 more 4.15.8+git.527.8d0c05d313e-150300.3.40.2
  • samba SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 +1 more 4.15.8+git.473.1a1018e0a0b-3.71.2
  • samba SLE Module for Basesystem 15 SP4, SLE High Availability Extension 15 SP4, openSUSE Leap 15.4 4.15.8+git.527.8d0c05d313e-150400.3.14.1

suse advisories SUSE-SU-2022:4014-1SUSE-SU-2022:3955-1SUSE-SU-2022:3270-1SUSE-SU-2022:3244-1

  • samba AlmaLinux 8 4.17.5-2.el8
  • ctdb AlmaLinux 8 4.17.5-2.el8
  • libnetapi AlmaLinux 8 4.17.5-2.el8
  • samba-libs AlmaLinux 8 4.17.5-2.el8
  • samba-pidl AlmaLinux 8 4.17.5-2.el8
  • samba-test AlmaLinux 8 4.17.5-2.el8
  • libwbclient AlmaLinux 8 4.17.5-2.el8
  • samba-tools AlmaLinux 8 4.17.5-2.el8

almalinux advisories ALSA-2023:2987ALSA-2023:2519

  • samba Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 4.17.0-r0

alpine advisories ALPINE-CVE-2022-1615

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-1615 updated cvss 5.1

samba: GnuTLS gnutls_rnd() can fail and give predictable random values

  • Red Hat Enterprise Linux 6 samba, samba4, samba4-dc, samba-swat, samba4-libs, samba4-pidl, +17 more Red Hat Enterprise Linux 7 ctdb, samba, samba-dc, ctdb-tests, samba-libs, samba-pidl, +18 more Red Hat Storage 3 ctdb, samba, samba-dc, ctdb-tests, samba-libs, samba-pidl, +21 more
    affected: no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder EUS (v.8.6) samba-devel 4.15.5-15.el8_6, ctdb-debuginfo 4.15.5-15.el8_6, samba-debuginfo 4.15.5-15.el8_6, libwbclient-devel 4.15.5-15.el8_6, samba-debugsource 4.15.5-15.el8_6, libsmbclient-devel 4.15.5-15.el8_6, +17 more
    fixed: vendor fix RHSA-2024:0423
  • Red Hat Enterprise Linux AppStream (v. 8) samba-vfs-iouring 4.17.5-2.el8
    fixed: vendor fix RHSA-2023:2987
  • Red Hat Enterprise Linux AppStream (v. 9) samba-client 4.17.5-102.el9, samba-winexe 4.17.5-102.el9, samba-vfs-iouring 4.17.5-102.el9, samba-krb5-printing 4.17.5-102.el9, samba-winbind-clients 4.17.5-102.el9, samba-winbind-krb5-locator 4.17.5-102.el9
    fixed: vendor fix RHSA-2023:2519
  • Red Hat Enterprise Linux AppStream EUS (v.8.6) samba-vfs-iouring 4.15.5-15.el8_6
    fixed: vendor fix RHSA-2024:0423
  • Red Hat Enterprise Linux BaseOS (v. 8) ctdb 4.17.5-2.el8, samba 4.17.5-2.el8, libnetapi 4.17.5-2.el8, samba-libs 4.17.5-2.el8, samba-pidl 4.17.5-2.el8, samba-test 4.17.5-2.el8, +22 more
    fixed: vendor fix RHSA-2023:2987
  • Red Hat Enterprise Linux BaseOS (v. 9) samba 4.17.5-102.el9, libnetapi 4.17.5-102.el9, samba-libs 4.17.5-102.el9, libwbclient 4.17.5-102.el9, samba-tools 4.17.5-102.el9, libsmbclient 4.17.5-102.el9, +12 more
    fixed: vendor fix RHSA-2023:2519
  • Red Hat Enterprise Linux BaseOS EUS (v.8.6) ctdb 4.15.5-15.el8_6, samba 4.15.5-15.el8_6, samba-libs 4.15.5-15.el8_6, samba-pidl 4.15.5-15.el8_6, samba-test 4.15.5-15.el8_6, libwbclient 4.15.5-15.el8_6, +15 more
    fixed: vendor fix RHSA-2024:0423
show 4 more
  • Red Hat Enterprise Linux CRB (v. 8) samba-devel 4.17.5-2.el8, ctdb-debuginfo 4.17.5-2.el8, libnetapi-devel 4.17.5-2.el8, samba-debuginfo 4.17.5-2.el8, libwbclient-devel 4.17.5-2.el8, samba-debugsource 4.17.5-2.el8, +24 more
    fixed: vendor fix RHSA-2023:2987
  • Red Hat Enterprise Linux CRB (v. 9) samba-pidl 4.17.5-102.el9, samba-test 4.17.5-102.el9, samba-test-libs 4.17.5-102.el9, python3-samba-test 4.17.5-102.el9 Red Hat Enterprise Linux ResilientStorage (v. 9) ctdb 4.17.5-102.el9
    fixed: vendor fix RHSA-2023:2519
  • Red Hat Virtualization 4 Hypervisor for RHEL 8 samba 4.15.5-15.el8_6, libwbclient 4.15.5-15.el8_6, libsmbclient 4.15.5-15.el8_6, samba-common 4.15.5-15.el8_6, samba-client-libs 4.15.5-15.el8_6, samba-common-libs 4.15.5-15.el8_6
    fixed: vendor fix RHSA-2024:0423
  • Red Hat Enterprise Linux AppStream (v. 8) openchange 2.3-31.el8, evolution-mapi 3.28.3-7.el8, evolution-mapi-langpacks 3.28.3-7.el8 Red Hat Enterprise Linux AppStream (v. 9) openchange 2.3-40.el9, evolution-mapi 3.40.1-5.el9, evolution-mapi-langpacks 3.40.1-5.el9
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.samba.org https://bugzilla.samba.org/show_bug.cgi?id=15103 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • n/a Samba

Classification

Weakness
  • CWE-330 Use of Insufficiently Random Values

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.