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Fencer Vulns
medium 5.5

CVE-2023-2985 json

A use after free flaw was found in hfsplus_put_super in fs/hfsplus/super.c in the Linux Kernel.

published 2023-06-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34421

cvss
5.5
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 9%
public exploits
0
none known

Summary

A use after free flaw was found in hfsplus_put_super in fs/hfsplus/super.c in the Linux Kernel. This flaw could allow a local user to cause a denial of service problem.

Patch / fix

  • linux linux_kernel 6.3
  • linux Debian 14, Debian 13, Debian 12 6.1.20-1

debian advisories DEBIAN-CVE-2023-2985

  • linux Ubuntu 20.04 LTS 5.4.0-152.169
  • linux Ubuntu 22.04 LTS 5.15.0-75.82
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1104.112
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1038.43
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1107.116
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1036.44
  • linux-gke Ubuntu 20.04 LTS 5.4.0-1102.109
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1036.41

ubuntu advisories UBUNTU-CVE-2023-2985

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

  • kernel-syms SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-122.173.1
  • kernel-source SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-122.173.1
  • kernel-default SLES for SAP 12 SP5, SLES 12 SP5, SLE Workstation Extension 12 SP5 +2 more 4.12.14-122.173.1
  • kernel-obs-build SLE Software Development Kit 12 SP5 4.12.14-122.173.1
  • kernel-rt SLE Micro 5.2, SLE Micro 5.1 5.3.18-150300.138.3
  • kernel-default SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE Live Patching 15 SP1 +3 more 4.12.14-150100.197.154.1
  • kernel-vanilla openSUSE Leap 15.5, openSUSE Leap 15.4 4.12.14-150100.197.154.1
  • kernel-kvmsmall openSUSE Leap 15.4 4.12.14-150100.197.154.1

suse advisories SUSE-SU-2023:3309-1SUSE-SU-2023:3421-1SUSE-SU-2023:3392-1SUSE-SU-2023:3391-1SUSE-SU-2023:3390-1SUSE-SU-2023:3349-1

  • kernel CBL-Mariner 2.0 5.15.116.1-1

azure linux advisories AZL-27062

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-2023-2985 updated cvss 6.7

kernel: use-after-free issue in hfsplus_release_folio in fs/hfsplus/super.c

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 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
partial
Assessed
20 mo ago

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

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