CVE-2021-20317
kernel-debug: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: I...
CVE-2021-20317 is fixed in 37 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
8.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0038
32nd percentile
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267) * kernel: timer tree corruption leads to missing wakeup and system freeze (CVE-2021-20317) 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 |
| 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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