# CVE-2021-27364: bpftool: scsi: iscsi: Verify lengths on passthrough PDUs (Chris Leech) [1930832 1930833]

CVE-2021-27364 is fixed in 47 products on 1 platform, first by ELSA-2021-9115, released March 17, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-27364
- Priority: High
- CVSS: 7.1 (IMPORTANT)
- EPSS: 0.0097
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 17, 2021

## Description

scsi: iscsi: Verify lengths on passthrough PDUs (Chris Leech) [1930832 1930833]

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | bpftool ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-abi-whitelists RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-abi-whitelists ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-core RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-core ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-cross-headers ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-debug RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-debug ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-debug-core RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-debug-core ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-debug-devel RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-debug-devel ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-debug-modules RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-debug-modules ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-debug-modules-extra RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-debug-modules-extra ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-devel RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-devel ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-doc RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-doc ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-headers ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-modules RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-modules ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-modules-extra RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-modules-extra ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-rt RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-core RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-debug RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-debug-core RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-debug-devel RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-debug-kvm RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-debug-modules RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-debug-modules-extra RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-devel RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-kvm RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-modules RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-rt-modules-extra RHEL 8 | 0:4.18.0-240.22.1.rt7.77.el8_3 | [RHSA-2021:1081](https://patchblox.com/security/data/fix/linux/rhsa-2021-1081.md) | Apr 6, 2021 |
| Linux | kernel-tools RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-tools ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-tools-libs RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-tools-libs ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-tools-libs-devel RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-tools-libs-devel ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | kernel-uek ol 8 | 0:5.4.17-2102.200.13.el8uek | [ELSA-2021-9140](https://patchblox.com/security/data/fix/linux/elsa-2021-9140.md) | Mar 31, 2021 |
| Linux | kernel-uek-container ol 8 | 0:5.4.17-2036.104.5.el8 | [ELSA-2021-9115](https://patchblox.com/security/data/fix/linux/elsa-2021-9115.md) | Mar 17, 2021 |
| Linux | kernel-uek-container-debug ol 8 | 0:5.4.17-2036.104.5.el8 | [ELSA-2021-9115](https://patchblox.com/security/data/fix/linux/elsa-2021-9115.md) | Mar 17, 2021 |
| Linux | kernel-uek-debug ol 8 | 0:5.4.17-2102.200.13.el8uek | [ELSA-2021-9140](https://patchblox.com/security/data/fix/linux/elsa-2021-9140.md) | Mar 31, 2021 |
| Linux | kernel-uek-debug-devel ol 8 | 0:5.4.17-2102.200.13.el8uek | [ELSA-2021-9140](https://patchblox.com/security/data/fix/linux/elsa-2021-9140.md) | Mar 31, 2021 |
| Linux | kernel-uek-devel ol 8 | 0:5.4.17-2102.200.13.el8uek | [ELSA-2021-9140](https://patchblox.com/security/data/fix/linux/elsa-2021-9140.md) | Mar 31, 2021 |
| Linux | kernel-uek-doc ol 8 | 0:5.4.17-2102.200.13.el8uek | [ELSA-2021-9140](https://patchblox.com/security/data/fix/linux/elsa-2021-9140.md) | Mar 31, 2021 |
| Linux | kernel-uek-tools ol 8 | 0:5.4.17-2102.200.13.el7uek | [ELSA-2021-9140](https://patchblox.com/security/data/fix/linux/elsa-2021-9140.md) | Mar 31, 2021 |
| Linux | kernel-uek-tools-libs ol 8 | 0:5.4.17-2102.200.13.el7uek | [ELSA-2021-9140](https://patchblox.com/security/data/fix/linux/elsa-2021-9140.md) | Mar 31, 2021 |
| Linux | kernel-zfcpdump RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-zfcpdump-core RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-zfcpdump-devel RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-zfcpdump-modules RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | kernel-zfcpdump-modules-extra RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | perf RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | perf ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |
| Linux | python-perf ol 8 | 0:5.4.17-2102.200.13.el7uek | [ELSA-2021-9140](https://patchblox.com/security/data/fix/linux/elsa-2021-9140.md) | Mar 31, 2021 |
| Linux | python3-perf RHEL 8 | 0:4.18.0-240.22.1.el8_3 | [RHSA-2021:1093](https://patchblox.com/security/data/fix/linux/rhsa-2021-1093.md) | Apr 6, 2021 |
| Linux | python3-perf ol 8 | 0:4.18.0-240.22.1.el8_3 | [ELSA-2021-1093](https://patchblox.com/security/data/fix/linux/elsa-2021-1093.md) | Apr 7, 2021 |

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