# CVE-2019-9500: kernel-rt-debug-devel: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...

CVE-2019-9500 is fixed in 37 products on 1 platform, first by RHSA-2019:2703, released September 12, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-9500
- Priority: High
- CVSS: 8.3 (Important)
- EPSS: 0.0385
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 12, 2019

## Description

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.  Security Fix(es):  * kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846)  * Kernel: KVM: nVMX: guest accesses L0 MSR causes potential DoS (CVE-2019-3887)  * kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results (CVE-2019-9500)  * kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)  * kernel: brcmfmac frame validation bypass (CVE-2019-9503)  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.  Bug Fix(es):  * BUG: scheduling while atomic in zswap (BZ#1726362)  * kernel-rt: update to the RHEL8.0.z batch#3 source tree (BZ#1734475)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | bpftool ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-abi-whitelists RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-abi-whitelists ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-core RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-core ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-cross-headers RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-cross-headers ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug-core RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug-core ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug-devel RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug-devel ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug-modules RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug-modules ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug-modules-extra RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-debug-modules-extra ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-devel RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-devel ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-doc RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-doc ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-headers RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-headers ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-modules RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-modules ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-modules-extra RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-modules-extra ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-rt RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-core RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-debug RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-debug-core RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-debug-devel RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-debug-kvm RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-debug-modules RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-debug-modules-extra RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-devel RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-kvm RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-modules RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-rt-modules-extra RHEL 8 | 0:4.18.0-80.11.1.rt9.156.el8_0 | [RHSA-2019:2741](https://patchblox.com/security/data/fix/linux/rhsa-2019-2741.md) | Sep 12, 2019 |
| Linux | kernel-tools RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-tools ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-tools-libs RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-tools-libs ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-tools-libs-devel RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-tools-libs-devel ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-zfcpdump RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-zfcpdump-core RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-zfcpdump-devel RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-zfcpdump-modules RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | kernel-zfcpdump-modules-extra RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | perf RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | perf ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |
| Linux | python3-perf RHEL 8 | 0:4.18.0-80.11.1.el8_0 | [RHSA-2019:2703](https://patchblox.com/security/data/fix/linux/rhsa-2019-2703.md) | Sep 12, 2019 |
| Linux | python3-perf ol 8 | 0:4.18.0-80.11.1.el8_0 | [ELSA-2019-2703](https://patchblox.com/security/data/fix/linux/elsa-2019-2703.md) | Sep 12, 2019 |

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