# CVE-2022-0995: linux: An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem

CVE-2022-0995 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-0995, released March 25, 2022. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on August 26, 2026. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2022-0995
- Priority: Patch now
- CVSS: 7.8 (high)
- EPSS: 0.0886
- CISA KEV: listed Aug 26, 2026, federal due date Aug 29, 2026
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 25, 2022

## Description

An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.16.18-1 | [DEBIAN-CVE-2022-0995](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0995.md) | Mar 25, 2022 |
| Linux | linux Debian 13.5 (trixie) | 5.16.18-1 | [DEBIAN-CVE-2022-0995](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0995.md) | Mar 25, 2022 |
| Linux | linux Debian 14 | 5.16.18-1 | [DEBIAN-CVE-2022-0995](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0995.md) | Mar 25, 2022 |

---

Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo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.