CVE-2021-43267
kpatch-patch-4_18_0-348: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of...
CVE-2021-43267 is fixed in 38 products on 1 platform, first by RHSA-2021:4647, released November 15, 2021. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
9.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.5785
99th percentile
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): * kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| bpftool · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel · rocky 8 | 0:4.18.0-348.2.1.el8_5 | RLSA-2021:4647 | Nov 15, 2021 |
| kernel-abi-stablelists · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-abi-stablelists · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-core · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-core · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-cross-headers · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-debug · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-debug · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-debug-core · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-debug-core · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-debug-devel · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-debug-devel · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-debug-modules · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-debug-modules · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-debug-modules-extra · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-debug-modules-extra · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-devel · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-devel · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-doc · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-doc · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-headers · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-modules · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-modules · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-modules-extra · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-modules-extra · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-rt · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt · rocky 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RLSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-core · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-debug · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-debug-core · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-debug-devel · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-debug-kvm · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-debug-modules · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-debug-modules-extra · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-devel · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-kvm · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-modules · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-rt-modules-extra · RHEL 8 | 0:4.18.0-348.2.1.rt7.132.el8_5 | RHSA-2021:4646 | Nov 15, 2021 |
| kernel-tools · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-tools · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-tools-libs · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-tools-libs · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-tools-libs-devel · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-tools-libs-devel · almalinux 8 | 4.18.0-348.2.1.el8_5 | ALSA-2021:4647 | Nov 15, 2021 |
| kernel-tools-libs-devel · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| kernel-zfcpdump · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-zfcpdump-core · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-zfcpdump-devel · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-zfcpdump-modules · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kernel-zfcpdump-modules-extra · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| kpatch-patch-4_18_0-348 · RHEL 8 | 0:1-1.el8 | RHSA-2021:4645 | Nov 15, 2021 |
| perf · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| perf · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
| python3-perf · RHEL 8 | 0:4.18.0-348.2.1.el8_5 | RHSA-2021:4647 | Nov 15, 2021 |
| python3-perf · ol 8 | 0:4.18.0-348.2.1.el8_5 | ELSA-2021-4647 | Nov 18, 2021 |
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