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Fencer Vulns
high 7.8

CVE-2020-0110 json

In psi_write of psi.c, there is a possible out of bounds write due to a missing bounds check.

published 2020-05-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-1616

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

In psi_write of psi.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-148159562References: Upstream kernel

Patch / fix

  • intel jhl6540_firmware 1.41.1054.0
  • intel jhl6340_firmware 1.41.1054.0
  • intel jhl6240_firmware 1.41.1054.0
  • intel jhl7540_firmware 1.41.1054.0
  • intel jhl7440_firmware 1.41.1054.0
  • intel jhl7340_firmware 1.41.1054.0
  • intel jhl8540_firmware 1.41.1054.0
  • intel jhl8440_firmware 1.41.1054.0
  • linux Debian 14, Debian 13, Debian 12 5.5.13-1

debian advisories DEBIAN-CVE-2020-0110

  • linux-hwe Ubuntu 18.04 LTS 5.3.0-51.44~18.04.2
  • linux-aws-5.3 Ubuntu 18.04 LTS 5.3.0-1017.18~18.04.1
  • linux-gcp-5.3 Ubuntu 18.04 LTS 5.3.0-1018.19~18.04.1
  • linux-gke-5.3 Ubuntu 18.04 LTS 5.3.0-1018.19~18.04.1
  • linux-azure-5.3 Ubuntu 18.04 LTS 5.3.0-1020.21~18.04.1
  • linux-oracle-5.3 Ubuntu 18.04 LTS 5.3.0-1016.18~18.04.1
  • linux-raspi2-5.3 Ubuntu 18.04 LTS 5.3.0-1023.25~18.04.1

ubuntu advisories UBUNTU-CVE-2020-0110

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-rt openSUSE Leap 15.2 5.3.18-lp152.3.5.1
  • kernel-syms-rt openSUSE Leap 15.2 5.3.18-lp152.3.5.1
  • kernel-rt_debug openSUSE Leap 15.2 5.3.18-lp152.3.5.1
  • kernel-source-rt openSUSE Leap 15.2 5.3.18-lp152.3.5.1

opensuse advisories openSUSE-SU-2021:0242-1

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-2020-0110 updated cvss 7.8

kernel: out of bound write when writing 0 bytes to PSI files which could result in local privilege escalation

  • Red Hat Enterprise Linux 5 kernel 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, kernel-alt, python-perf, +9 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    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

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a Android

Classification

Weakness

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.