# CVE-2024-0582: linux: A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with...

CVE-2024-0582 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-0582, released January 16, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-0582
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.1284
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 16, 2024

## Description

A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.6.8-1 | [DEBIAN-CVE-2024-0582](https://patchblox.com/security/data/fix/linux/debian-cve-2024-0582.md) | Jan 16, 2024 |
| Linux | linux Debian 14 | 6.6.8-1 | [DEBIAN-CVE-2024-0582](https://patchblox.com/security/data/fix/linux/debian-cve-2024-0582.md) | Jan 16, 2024 |

---

Data as of 2026-11-08T06:59:42Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo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.