net: stmmac: Prevent NULL deref when RX memory exhausted
CVE-2026-46110 is a vulnerability in the stmmac network driver component related to handling RX memory exhaustion. It involves a potential NULL pointer dereference when the receive memory is exhausted. This could lead to a denial of service or system instability. The vulnerability affects Microsoft products including Azure Linux kernel version 3. 0. No CVSS score is provided, and there are no known exploits in the wild. No patch or remediation details are currently available from the vendor advisory. Users should monitor official Microsoft Security Response Center communications for updates.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-46110, concerns the stmmac network driver in Microsoft Azure Linux kernel 3.0. It arises from a NULL pointer dereference condition triggered when RX memory is exhausted. The issue could cause system crashes or denial of service due to improper handling of memory exhaustion in the network driver. The Microsoft Security Response Center has published an advisory but has not provided patch or mitigation details yet.
Potential Impact
The impact of this vulnerability is a potential denial of service or system instability caused by a NULL pointer dereference in the network driver when RX memory is exhausted. There are no known exploits in the wild at this time. The vulnerability affects Microsoft Azure Linux kernel 3.0 and potentially other Microsoft products using the affected driver.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround has been published at this time.
net: stmmac: Prevent NULL deref when RX memory exhausted
Description
CVE-2026-46110 is a vulnerability in the stmmac network driver component related to handling RX memory exhaustion. It involves a potential NULL pointer dereference when the receive memory is exhausted. This could lead to a denial of service or system instability. The vulnerability affects Microsoft products including Azure Linux kernel version 3. 0. No CVSS score is provided, and there are no known exploits in the wild. No patch or remediation details are currently available from the vendor advisory. Users should monitor official Microsoft Security Response Center communications for updates.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-46110, concerns the stmmac network driver in Microsoft Azure Linux kernel 3.0. It arises from a NULL pointer dereference condition triggered when RX memory is exhausted. The issue could cause system crashes or denial of service due to improper handling of memory exhaustion in the network driver. The Microsoft Security Response Center has published an advisory but has not provided patch or mitigation details yet.
Potential Impact
The impact of this vulnerability is a potential denial of service or system instability caused by a NULL pointer dereference in the network driver when RX memory is exhausted. There are no known exploits in the wild at this time. The vulnerability affects Microsoft Azure Linux kernel 3.0 and potentially other Microsoft products using the affected driver.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround has been published at this time.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46110
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a19fedce29bf47b500fe638
Added to database: 5/29/2026, 9:02:20 PM
Last enriched: 5/29/2026, 9:17:32 PM
Last updated: 5/31/2026, 4:58:29 AM
Views: 7
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