# CVE-2022-0264: linux: A vulnerability was found in the Linux kernel's eBPF verifier when handling internal data structures

CVE-2022-0264 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-0264, released February 4, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-0264
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 4, 2022

## Description

A vulnerability was found in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. This flaws affects kernel versions < v5.16-rc6

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.15.5-2 | [DEBIAN-CVE-2022-0264](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0264.md) | Feb 4, 2022 |
| Linux | linux Debian 13.5 (trixie) | 5.15.5-2 | [DEBIAN-CVE-2022-0264](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0264.md) | Feb 4, 2022 |
| Linux | linux Debian 14 | 5.15.5-2 | [DEBIAN-CVE-2022-0264](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0264.md) | Feb 4, 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo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.