# CVE-2021-47547: linux: In the Linux kernel, the following vulnerability has been resolved:  net: tulip: de4x5: fix the problem that the arra...

CVE-2021-47547 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47547, released May 24, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-47547
- Priority: Routine
- CVSS: 4.4 (medium)
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 24, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound  In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8.  At this time, the array 'lp->phy[8]' may be out of bound.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.15.15-1 | [DEBIAN-CVE-2021-47547](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47547.md) | May 24, 2024 |
| Linux | linux Debian 13.5 (trixie) | 5.15.15-1 | [DEBIAN-CVE-2021-47547](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47547.md) | May 24, 2024 |
| Linux | linux Debian 14 | 5.15.15-1 | [DEBIAN-CVE-2021-47547](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47547.md) | May 24, 2024 |

---

Data as of 2026-11-09T19:38:12Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo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.
