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CVE-2022-49019
net: ethernet: nixge: fix NULL dereference
Medium5.5EPSS 0.24%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: nixge: fix NULL dereference In function nixge_hw_dma_bd_release() dereference of NULL pointer priv->rx_bd_v is possible for the case of its allocation failure in nixge_hw_dma_bd_init(). Move for() loop with priv->rx_bd_v dereference under the check for its validity. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 86% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected 492caffa8a1a405f661c111acabfe6b8b9645db8 – < 910c0264b64ef2dad8887714a7c56c93e39a0ed3
- affected 492caffa8a1a405f661c111acabfe6b8b9645db8 – < 45752af0247589e6d3dede577415bfe117b4392c
- affected 492caffa8a1a405f661c111acabfe6b8b9645db8 – < 9c584d6d9cfb935dce8fc81a4c26debac0a3049b
- affected 492caffa8a1a405f661c111acabfe6b8b9645db8 – < 80e82f7b440b65cf131dce10f487dc73a7046e6b
- affected 492caffa8a1a405f661c111acabfe6b8b9645db8 – < 9256db4e45e8b497b0e993cc3ed4ad08eb2389b6
- affected 4.17
- unaffected < 4.17
- unaffected 5.4.226 – ≤ 5.4.*
- unaffected 5.10.158 – ≤ 5.10.*
- unaffected 5.15.82 – ≤ 5.15.*
- unaffected 6.0.12 – ≤ 6.0.*
- unaffected 6.1 – ≤ *
References (5)
- https://git.kernel.org/stable/c/910c0264b64ef2dad8887714a7c56c93e39a0ed3 (opens in a new tab)
- https://git.kernel.org/stable/c/45752af0247589e6d3dede577415bfe117b4392c (opens in a new tab)
- https://git.kernel.org/stable/c/9c584d6d9cfb935dce8fc81a4c26debac0a3049b (opens in a new tab)
- https://git.kernel.org/stable/c/80e82f7b440b65cf131dce10f487dc73a7046e6b (opens in a new tab)
- https://git.kernel.org/stable/c/9256db4e45e8b497b0e993cc3ed4ad08eb2389b6 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-49019)Record last updated .