CVE-2021-0920

bpftool: af_unix: fix garbage collect vs MSG_PEEK (Patrick Talbert) [2031974 2031975]

CVE-2021-0920 is fixed in 52 products on 1 platform, first by DEBIAN-CVE-2021-0920, released December 15, 2021. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on May 23, 2022. Patch Radar priority: Patch now.

Patch nowCISA KEV

CVSS

8.8

IMPORTANT

Exploitation

Exploited

Listed by CISA

CISA KEV

May 23, 2022

Federal due date Jun 13, 2022

EPSS

0.0087

59th percentile

af_unix: fix garbage collect vs MSG_PEEK (Patrick Talbert) [2031974 2031975]

Where it's fixed

Product	Fixed in	Fix	Released
Linux
bpftool · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
bpftool · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel · rocky 8	0:4.18.0-348.20.1.el8_5	RLSA-2022:0825	Mar 10, 2022
kernel-abi-stablelists · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-abi-stablelists · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-core · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-core · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-cross-headers · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-debug · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-debug · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-debug-core · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-debug-core · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-debug-devel · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-debug-devel · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-debug-modules · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-debug-modules · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-debug-modules-extra · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-debug-modules-extra · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-devel · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-devel · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-doc · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-doc · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-headers · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-modules · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-modules · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-modules-extra · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-modules-extra · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-rt · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt · rocky 8	0:4.18.0-348.20.1.rt7.150.el8_5	RLSA-2022:0819	Mar 10, 2022
kernel-rt-core · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-debug · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-debug-core · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-debug-devel · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-debug-kvm · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-debug-modules · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-debug-modules-extra · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-devel · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-kvm · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-modules · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-rt-modules-extra · RHEL 8	0:4.18.0-348.20.1.rt7.150.el8_5	RHSA-2022:0819	Mar 10, 2022
kernel-tools · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-tools · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-tools-libs · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-tools-libs · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-tools-libs-devel · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-tools-libs-devel · almalinux 8	4.18.0-348.20.1.el8_5	ALSA-2022:0825	Mar 10, 2022
kernel-tools-libs-devel · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022
kernel-uek · ol 8	0:5.4.17-2136.302.7.2.el8uek	ELSA-2022-9012	Jan 10, 2022
kernel-uek-container · ol 8	0:5.4.17-2136.302.7.2.el8	ELSA-2022-9013	Jan 10, 2022
kernel-uek-container-debug · ol 8	0:5.4.17-2136.302.7.2.el8	ELSA-2022-9013	Jan 10, 2022
kernel-uek-debug · ol 8	0:5.4.17-2136.302.7.2.el8uek	ELSA-2022-9012	Jan 10, 2022
kernel-uek-debug-devel · ol 8	0:5.4.17-2136.302.7.2.el8uek	ELSA-2022-9012	Jan 10, 2022
kernel-uek-devel · ol 8	0:5.4.17-2136.302.7.2.el8uek	ELSA-2022-9012	Jan 10, 2022
kernel-uek-doc · ol 8	0:5.4.17-2136.302.7.2.el8uek	ELSA-2022-9012	Jan 10, 2022
kernel-uek-tools · ol 8	0:5.4.17-2136.302.7.2.el7uek	ELSA-2022-9012	Jan 10, 2022
kernel-uek-tools-libs · ol 8	0:5.4.17-2136.302.7.2.el7uek	ELSA-2022-9012	Jan 10, 2022
kernel-zfcpdump · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-zfcpdump-core · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-zfcpdump-devel · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-zfcpdump-modules · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kernel-zfcpdump-modules-extra · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
kpatch-patch-4_18_0-348 · RHEL 8	0:1-3.el8	RHSA-2022:0849	Mar 14, 2022
kpatch-patch-4_18_0-348_12_2 · RHEL 8	0:1-1.el8_5	RHSA-2022:0849	Mar 14, 2022
kpatch-patch-4_18_0-348_2_1 · RHEL 8	0:1-2.el8_5	RHSA-2022:0849	Mar 14, 2022
kpatch-patch-4_18_0-348_7_1 · RHEL 8	0:1-2.el8_5	RHSA-2022:0849	Mar 14, 2022
linux · Debian 12.15 (bookworm)	5.14.6-1	DEBIAN-CVE-2021-0920	Dec 15, 2021
linux · Debian 13.5 (trixie)	5.14.6-1	DEBIAN-CVE-2021-0920	Dec 15, 2021
linux · Debian 14	5.14.6-1	DEBIAN-CVE-2021-0920	Dec 15, 2021
perf · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
perf · ol 8	0:5.4.17-2136.302.7.2.el7uek	ELSA-2022-9012	Jan 10, 2022
python-perf · ol 8	0:5.4.17-2136.302.7.2.el7uek	ELSA-2022-9012	Jan 10, 2022
python3-perf · RHEL 8	0:4.18.0-348.20.1.el8_5	RHSA-2022:0825	Mar 10, 2022
python3-perf · ol 8	0:4.18.0-348.20.1.el8_5	ELSA-2022-0825	Mar 11, 2022

Details

Published
December 15, 2021
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA required action
Apply updates per vendor instructions.

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