# CVE-2020-36311: kernel-uek: [5.4.17-2102.205.7.2] - btrfs: fix race between marking inode needs to be logged and log syncing (Filipe Manana)  [Or...

CVE-2020-36311 is fixed in 11 products on 1 platform, first by ELSA-2021-9450, released September 16, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-36311
- Priority: Routine
- CVSS: 5.5 (IMPORTANT)
- EPSS: 0.0034
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 16, 2021

## Description

[5.4.17-2102.205.7.2] - btrfs: fix race between marking inode needs to be logged and log syncing (Filipe Manana)  [Orabug: 33349276]  [5.4.17-2102.205.7.1] - RDMA/cma: Revert INIT-INIT patch (Mike Marciniszyn)  [Orabug: 33306518]  [5.4.17-2102.205.7] - rds: ib: Set SEND_SIGNALED on the last WR posted (Hakon Bugge)  [Orabug: 33253169] - vfio/pci: (fixup) Handle concurrent vma faults (Ankur Arora)  [Orabug: 33200737] [Orabug: 33187733]  [5.4.17-2102.205.6] - xfs: dont drain buffer lru on freeze and read-only remount (Brian Foster)  [Orabug: 33241131] - xfs: rename xfs_wait_buftarg() to xfs_buftarg_drain() (Brian Foster)  [Orabug: 33241131] - rds: fix statistics counters and check for memory leak (Hans Westgaard Ry)  [Orabug: 31372379]

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | kernel-uek ol 8 | 0:5.4.17-2102.205.7.2.el8uek | [ELSA-2021-9450](https://patchblox.com/security/data/fix/linux/elsa-2021-9450.md) | Sep 16, 2021 |
| Linux | kernel-uek-container ol 8 | 0:5.4.17-2102.205.7.2.el8 | [ELSA-2021-9451](https://patchblox.com/security/data/fix/linux/elsa-2021-9451.md) | Sep 16, 2021 |
| Linux | kernel-uek-container-debug ol 8 | 0:5.4.17-2102.205.7.2.el8 | [ELSA-2021-9451](https://patchblox.com/security/data/fix/linux/elsa-2021-9451.md) | Sep 16, 2021 |
| Linux | kernel-uek-debug ol 8 | 0:5.4.17-2102.205.7.2.el8uek | [ELSA-2021-9450](https://patchblox.com/security/data/fix/linux/elsa-2021-9450.md) | Sep 16, 2021 |
| Linux | kernel-uek-debug-devel ol 8 | 0:5.4.17-2102.205.7.2.el8uek | [ELSA-2021-9450](https://patchblox.com/security/data/fix/linux/elsa-2021-9450.md) | Sep 16, 2021 |
| Linux | kernel-uek-devel ol 8 | 0:5.4.17-2102.205.7.2.el8uek | [ELSA-2021-9450](https://patchblox.com/security/data/fix/linux/elsa-2021-9450.md) | Sep 16, 2021 |
| Linux | kernel-uek-doc ol 8 | 0:5.4.17-2102.205.7.2.el8uek | [ELSA-2021-9450](https://patchblox.com/security/data/fix/linux/elsa-2021-9450.md) | Sep 16, 2021 |
| Linux | kernel-uek-tools ol 8 | 0:5.4.17-2102.205.7.2.el7uek | [ELSA-2021-9450](https://patchblox.com/security/data/fix/linux/elsa-2021-9450.md) | Sep 16, 2021 |
| Linux | kernel-uek-tools-libs ol 8 | 0:5.4.17-2102.205.7.2.el7uek | [ELSA-2021-9450](https://patchblox.com/security/data/fix/linux/elsa-2021-9450.md) | Sep 16, 2021 |
| Linux | perf ol 8 | 0:5.4.17-2102.205.7.2.el7uek | [ELSA-2021-9450](https://patchblox.com/security/data/fix/linux/elsa-2021-9450.md) | Sep 16, 2021 |
| Linux | python-perf ol 8 | 0:5.4.17-2102.205.7.2.el7uek | [ELSA-2021-9450](https://patchblox.com/security/data/fix/linux/elsa-2021-9450.md) | Sep 16, 2021 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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