net: ethernet: nixge: fix NULL dereference
Priority LOW 24CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00235 14th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.4.226, 5.10.158, 5.15.82 +2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.17 and later | 5.4.226, 5.10.158, 5.15.82, 6.0.12, 6.1 | Patch available | CNA |
- Linux VendorLinux Affected 4.17 and later Fixed in 5.4.226, 5.10.158, 5.15.82, 6.0.12, 6.1 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.17 to before 5.4.226; 5.5 to before 5.10.158; 5.11 to before 5.15.82; 5.16 to before 6.0.12 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* | 6.1 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* | 6.1 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:* | 6.1 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:* | 6.1 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:* | 6.1 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:* | 6.1 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.1:rc7:*:*:*:*:*:* | 6.1 rc7 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.17 to before 5.4.226; 5.5 to before 5.10.158; 5.11 to before 5.15.82; 5.16 to before 6.0.12 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* Versions 6.1 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* Versions 6.1 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:* Versions 6.1 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:* Versions 6.1 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:* Versions 6.1 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:* Versions 6.1 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.1:rc7:*:*:*:*:*:* Versions 6.1 rc7 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.226, 5.10.158, 5.15.82, 6.0.12, 6.1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49019
- 2026-10-03 Alias added: GHSA-xxqv-jc35-w8cj
References
Patch 5
- https://git.kernel.org/stable/c/910c0264b64ef2dad8887714a7c56c93e39a0ed3
- https://git.kernel.org/stable/c/45752af0247589e6d3dede577415bfe117b4392c
- https://git.kernel.org/stable/c/9c584d6d9cfb935dce8fc81a4c26debac0a3049b
- https://git.kernel.org/stable/c/80e82f7b440b65cf131dce10f487dc73a7046e6b
- https://git.kernel.org/stable/c/9256db4e45e8b497b0e993cc3ed4ad08eb2389b6
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2022-49019 · CVE Program
- CVE-2022-49019 · NVD
- FIRST EPSS
- GHSA-xxqv-jc35-w8cj · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49019 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences