Skip to content
Fencer Vulns
high 7.8

CVE-2021-0512 json

In __hidinput_change_resolution_multipliers of hid-input.c, there is a possible out of bounds write due to a heap buffer overflow.

published 2021-06-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-3131

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

In __hidinput_change_resolution_multipliers of hid-input.c, there is a possible out of bounds write due to a heap buffer overflow. 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-173843328References: Upstream kernel

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 5.10.19-1

debian advisories DEBIAN-CVE-2021-0512

  • linux Ubuntu 16.04 LTS 4.4.0-208.240
  • linux Ubuntu 18.04 LTS 4.15.0-143.147
  • linux Ubuntu 20.04 LTS 5.4.0-71.79
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1126.140
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1102.109
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1043.45
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1041.44
  • linux-gke Ubuntu 20.04 LTS 5.4.0-1041.43

ubuntu advisories UBUNTU-CVE-2021-0512

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

  • redhat-virtualization-host rhev hypervisor 4.4 4.4.9-202111172338_8.5
  • redhat-virtualization-host-image-update rhev hypervisor 4.4 4.4.9-202111172338_8.5
  • kpatch-patch-4_18_0-305 RHEL 8 1-6.el8
  • kpatch-patch-4_18_0-305_3_1 RHEL 8 1-5.el8_4
  • kpatch-patch-4_18_0-305_7_1 RHEL 8 1-4.el8_4
  • kpatch-patch-4_18_0-305_10_2 RHEL 8 1-3.el8_4
  • kpatch-patch-4_18_0-305_12_1 RHEL 8 1-2.el8_4
  • kpatch-patch-4_18_0-305_17_1 RHEL 8 1-1.el8_4

red hat advisories RHSA-2021:4750RHSA-2021:3443RHSA-2021:3446RHSA-2021:4122RHSA-2021:4056RHSA-2021:4088

  • kernel-syms SLES for SAP 12 SP3, SLES 12 SP3-LTSS, SLES 12 SP3-BCL +3 more 4.4.180-94.147.1
  • kernel-source SLES for SAP 12 SP3, SLES 12 SP3-LTSS, SLES 12 SP3-BCL +3 more 4.4.180-94.147.1
  • kernel-default SLES for SAP 12 SP3, SLES 12 SP3-LTSS, SLES 12 SP3-BCL +4 more 4.4.180-94.147.1
  • kgraft-patch-SLE12-SP3_Update_40 SLES for SAP 12 SP3, SLES 12 SP3-LTSS, OpenStack Cloud Crowbar 8 +2 more 1-4.3.1
  • kernel-syms SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +6 more 4.12.14-197.99.1
  • kernel-source SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +6 more 4.12.14-197.99.1
  • kernel-default SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLES 15 SP1-BCL +8 more 4.12.14-197.99.1
  • kernel-zfcpdump SLES 15 SP1-LTSS, Manager Server 4.0 4.12.14-197.99.1

suse advisories SUSE-SU-2021:2453-1SUSE-SU-2021:2451-1SUSE-SU-2021:2433-1SUSE-SU-2021:2427-1SUSE-SU-2021:2426-1SUSE-SU-2021:2422-1

  • kernel-default openSUSE Leap 15.3 4.12.14-197.99.1
  • kernel-vanilla openSUSE Leap 15.3 4.12.14-197.99.1
  • kernel-kvmsmall openSUSE Leap 15.3 4.12.14-197.99.1
  • kernel-zfcpdump openSUSE Leap 15.3 4.12.14-197.99.1
  • kernel-64kb openSUSE Leap 15.3 5.3.18-59.13.1
  • kernel-syms openSUSE Leap 15.3 5.3.18-59.13.1
  • kernel-obs-qa openSUSE Leap 15.3 5.3.18-59.13.1
  • kernel-source openSUSE Leap 15.3 5.3.18-59.13.1

opensuse advisories openSUSE-SU-2021:2427-1openSUSE-SU-2021:2352-1openSUSE-SU-2021:2305-1

  • kernel-rt Rocky Linux 8 4.18.0-305.25.1.rt7.97.el8_4
  • kernel Rocky Linux 8 4.18.0-305.25.1.el8_4

rocky linux advisories RLSA-2021:4088RLSA-2021:4056

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-2021-0512 updated cvss 7.8

kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c

  • Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, kernel-alt, python-perf, +9 more
    affected: workaround, no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-305.25.1.el8_4, kernel-debuginfo-common-aarch64 4.18.0-305.25.1.el8_4, kernel-debuginfo-common-ppc64le 4.18.0-305.25.1.el8_4
    fixed: vendor fix RHSA-2021:4056
  • Red Hat CodeReady Linux Builder EUS (v. 8.2) kernel-debuginfo-common-x86_64 4.18.0-193.65.2.el8_2, kernel-debuginfo-common-aarch64 4.18.0-193.65.2.el8_2, kernel-debuginfo-common-ppc64le 4.18.0-193.65.2.el8_2
    fixed: vendor fix RHSA-2021:3446
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-305.25.1.el8_4, kernel 4.18.0-305.25.1.el8_4, bpftool 4.18.0-305.25.1.el8_4, kpatch-patch-4_18_0-305 1-6.el8, kernel-core 4.18.0-305.25.1.el8_4, kernel-tools 4.18.0-305.25.1.el8_4, +22 more
    fixed: vendor fix RHSA-2021:4056
  • Red Hat Enterprise Linux BaseOS EUS (v. 8.2) perf 4.18.0-193.65.2.el8_2, kernel 4.18.0-193.65.2.el8_2, bpftool 4.18.0-193.65.2.el8_2, kernel-core 4.18.0-193.65.2.el8_2, kernel-tools 4.18.0-193.65.2.el8_2, python3-perf 4.18.0-193.65.2.el8_2, +27 more
    fixed: vendor fix RHSA-2021:3446
  • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-core 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-modules 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-debug-core 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-debug-modules 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-modules-extra 4.18.0-305.25.1.rt7.97.el8_4, +2 more
    fixed: vendor fix RHSA-2021:4088
  • Red Hat Enterprise Linux Real Time EUS (v. 8.2) kernel-rt 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-core 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-modules 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-debug-core 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-debug-modules 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-modules-extra 4.18.0-193.65.2.rt13.117.el8_2, +2 more
    fixed: vendor fix RHSA-2021:3445
  • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-kvm 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-core 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-modules 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-debug-kvm 4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-debug-core 4.18.0-305.25.1.rt7.97.el8_4, +4 more
    fixed: vendor fix RHSA-2021:4088
show 3 more
  • Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) kernel-rt 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-kvm 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-core 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-modules 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-debug-kvm 4.18.0-193.65.2.rt13.117.el8_2, kernel-rt-debug-core 4.18.0-193.65.2.rt13.117.el8_2, +4 more
    fixed: vendor fix RHSA-2021:3445
  • Red Hat Virtualization 4 Hypervisor for RHEL 8 redhat-virtualization-host 4.4.9-202111172338_8.5, redhat-virtualization-host-image-update 4.4.9-202111172338_8.5
    fixed: vendor fix RHSA-2021:4750
  • 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, +82 more Red Hat RHEL 8-based RHEV-H for RHEV 4 (build requirements) redhat-release-virtualization-host 4.4.9-2.el8ev, redhat-release-virtualization-host-content 4.4.9-2.el8ev, redhat-virtualization-host-image-update-placeholder 4.4.9-2.el8ev
    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 ICSA-24-074-07 updated cvss 7.8

Siemens SIMATIC

  • Siemens SIMATIC RF160B (6GT2003-0FA00) <V2.2
    affected: mitigation “Siemens has released a new version (V2.2) for SIMATIC RF160B and recommends to update to the latest version.” siemens.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% 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.