# CVE-2021-46965: linux: In the Linux kernel, the following vulnerability has been resolved:  mtd: physmap: physmap-bt1-rom: Fix unintentional...

CVE-2021-46965 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-46965, released February 27, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-46965
- Priority: High
- CVSS: 7.1 (high)
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 27, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  mtd: physmap: physmap-bt1-rom: Fix unintentional stack access  Cast &data to (char *) in order to avoid unintentionally accessing the stack.  Notice that data is of type u32, so any increment to &data will be in the order of 4-byte chunks, and this piece of code is actually intended to be a byte offset.  Addresses-Coverity-ID: 1497765 ("Out-of-bounds access")

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.10.38-1 | [DEBIAN-CVE-2021-46965](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46965.md) | Feb 27, 2024 |
| Linux | linux Debian 13.5 (trixie) | 5.10.38-1 | [DEBIAN-CVE-2021-46965](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46965.md) | Feb 27, 2024 |
| Linux | linux Debian 14 | 5.10.38-1 | [DEBIAN-CVE-2021-46965](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46965.md) | Feb 27, 2024 |

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Data as of 2026-11-09T01:18:40Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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