# CVE-2021-47113: linux: In the Linux kernel, the following vulnerability has been resolved:  btrfs: abort in rename_exchange if we fail to in...

CVE-2021-47113 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47113, released March 15, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-47113
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0027
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 15, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  btrfs: abort in rename_exchange if we fail to insert the second ref  Error injection stress uncovered a problem where we'd leave a dangling inode ref if we failed during a rename_exchange.  This happens because we insert the inode ref for one side of the rename, and then for the other side.  If this second inode ref insert fails we'll leave the first one dangling and leave a corrupt file system behind.  Fix this by aborting if we did the insert for the first inode ref.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.10.46-1 | [DEBIAN-CVE-2021-47113](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47113.md) | Mar 15, 2024 |
| Linux | linux Debian 13.5 (trixie) | 5.10.46-1 | [DEBIAN-CVE-2021-47113](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47113.md) | Mar 15, 2024 |
| Linux | linux Debian 14 | 5.10.46-1 | [DEBIAN-CVE-2021-47113](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47113.md) | Mar 15, 2024 |

---

Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.