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Fencer Vulns
medium 6.7

CVE-2023-3159 json

A use after free issue was discovered in driver/firewire in outbound_phy_packet_callback in the Linux Kernel.

published 2023-06-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43843

cvss
6.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits
0
none known

Summary

A use after free issue was discovered in driver/firewire in outbound_phy_packet_callback in the Linux Kernel. In this flaw a local attacker with special privilege may cause a use after free problem when queue_event() fails.

Patch / fix

  • linux linux_kernel 5.18
  • linux Debian 14, Debian 13, Debian 12 5.17.11-1

debian advisories DEBIAN-CVE-2023-3159

  • linux Ubuntu 18.04 LTS 4.15.0-191.202
  • linux Ubuntu 20.04 LTS 5.4.0-124.140
  • linux Ubuntu 22.04 LTS 5.15.0-41.44
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1139.150
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1083.90
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1015.19
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1086.94
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1013.18

ubuntu advisories UBUNTU-CVE-2023-3159

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • dtb-aarch64 openSUSE Leap 15.4 5.3.18-150300.59.127.1
  • kernel-64kb SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS, SLE High Performance Computing 15 SP3-ESPOS +1 more 5.3.18-150300.59.127.1
  • kernel-syms SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Real Time 15 SP3 +3 more 5.3.18-150300.59.127.1
  • kernel-source SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Real Time 15 SP3 +5 more 5.3.18-150300.59.127.1
  • kernel-default SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Real Time 15 SP3 +9 more 5.3.18-150300.59.127.1
  • kernel-preempt SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Real Time 15 SP3 +5 more 5.3.18-150300.59.127.1
  • kernel-zfcpdump SLES 15 SP3-LTSS, Manager Server 4.2 5.3.18-150300.59.127.1
  • kernel-obs-build SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Real Time 15 SP3 +3 more 5.3.18-150300.59.127.1

suse advisories SUSE-SU-2023:3333-1SUSE-SU-2023:3107-1SUSE-SU-2023:3104-1SUSE-SU-2023:3083-1SUSE-SU-2023:3081-1SUSE-SU-2023:3075-1

  • kernel CBL-Mariner 2.0 5.15.116.1-2

azure linux advisories AZL-27180

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2023-3159 updated cvss 6.7

kernel: use after free issue in driver/firewire in outbound_phy_packet_callback

  • Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more
    affected: workaround, no fix available
  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • n/a Kernel

Classification

Weakness
Technology feeds

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.