CVE-2021-31829
kernel-rt: kernel: protection of stack pointer against speculative pointer arithmetic can be bypassed to leak content of kernel...
CVE-2021-31829 is fixed in 47 products on 1 platform, first by ELSA-2021-9362, released July 16, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.2
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0031
24th percentile
kernel: protection of stack pointer against speculative pointer arithmetic can be bypassed to leak content of kernel memory
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| bpftool · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-abi-stablelists · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-abi-stablelists · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-core · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-core · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-cross-headers · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-debug · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-debug · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-debug-core · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-debug-core · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-debug-devel · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-debug-devel · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-debug-modules · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-debug-modules · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-debug-modules-extra · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-debug-modules-extra · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-devel · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-devel · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-doc · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-doc · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-headers · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-modules · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-modules · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-modules-extra · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-modules-extra · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-rt · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-core · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-debug · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-debug-core · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-debug-devel · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-debug-kvm · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-debug-modules · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-debug-modules-extra · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-devel · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-kvm · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-modules · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-rt-modules-extra · RHEL 8 | 0:4.18.0-348.rt7.130.el8 | RHSA-2021:4140 | Nov 9, 2021 |
| kernel-tools · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-tools · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-tools-libs · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-tools-libs · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-tools-libs-devel · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-tools-libs-devel · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| kernel-uek · ol 8 | 0:5.4.17-2102.203.5.el8uek | ELSA-2021-9362 | Jul 16, 2021 |
| kernel-uek-container · ol 8 | 0:5.4.17-2102.203.5.el8 | ELSA-2021-9363 | Jul 16, 2021 |
| kernel-uek-container-debug · ol 8 | 0:5.4.17-2102.203.5.el8 | ELSA-2021-9363 | Jul 16, 2021 |
| kernel-uek-debug · ol 8 | 0:5.4.17-2102.203.5.el8uek | ELSA-2021-9362 | Jul 16, 2021 |
| kernel-uek-debug-devel · ol 8 | 0:5.4.17-2102.203.5.el8uek | ELSA-2021-9362 | Jul 16, 2021 |
| kernel-uek-devel · ol 8 | 0:5.4.17-2102.203.5.el8uek | ELSA-2021-9362 | Jul 16, 2021 |
| kernel-uek-doc · ol 8 | 0:5.4.17-2102.203.5.el8uek | ELSA-2021-9362 | Jul 16, 2021 |
| kernel-uek-tools · ol 8 | 0:5.4.17-2102.203.5.el7uek | ELSA-2021-9362 | Jul 16, 2021 |
| kernel-uek-tools-libs · ol 8 | 0:5.4.17-2102.203.5.el7uek | ELSA-2021-9362 | Jul 16, 2021 |
| kernel-zfcpdump · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-zfcpdump-core · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-zfcpdump-devel · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-zfcpdump-modules · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| kernel-zfcpdump-modules-extra · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| perf · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| perf · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
| python-perf · ol 8 | 0:5.4.17-2102.203.5.el7uek | ELSA-2021-9362 | Jul 16, 2021 |
| python3-perf · RHEL 8 | 0:4.18.0-348.el8 | RHSA-2021:4356 | Nov 9, 2021 |
| python3-perf · ol 8 | 0:4.18.0-348.el8 | ELSA-2021-4356 | Nov 16, 2021 |
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