# CVE-2022-2639

## Summary

- **CVE ID:** CVE-2022-2639
- **Severity:** UNKNOWN
- **CVSS Score:** 0.05
- **CWE:** CWE-192
- **Published:** Sep 1, 2022
- **Last Modified:** Mar 13, 2026

## Description

An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size() function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This flaw allows a local user to crash or potentially escalate their privileges on the system.

## Affected Products

- n/a — kernel (kernel 5.18)

## References

- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2084479)
- [CNA](https://github.com/torvalds/linux/commit/cefa91b2332d7009bc0be5d951d6cbbf349f90f8)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.19%
- **EPSS Percentile:** 78.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._