CVE-2026-53215: net: mvpp2: refill RX buffers before XDP or skb use
CSIRTS triage
- What
- The vulnerability involves the refill of RX buffers before XDP or skb use.
- Who is affected
- Deployments using the affected net stack.
- Urgency
- Remediation is urgent due to the high severity rating of 7.8.
- Action
- Apply the patch for CVE-2026-53215.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53215
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-532150.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-53215 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownUSN-8630-5: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu
- lowUSN-8661-2: Linux kernel (Low Latency) vulnerabilitiesubuntu
- unknownUSN-8664-1: Linux kernel (NVIDIA BaseOS) vulnerabilitiesubuntu
- unknownUSN-8663-1: Linux kernel (NVIDIA) vulnerabilitiesubuntu
- unknownUSN-8630-4: Linux kernel (AWS) vulnerabilitiesubuntu
- unknownUSN-8661-1: Linux kernel vulnerabilitiesubuntu
- unknownUSN-8660-1: Linux kernel vulnerabilitiesubuntu
- unknownUSN-8630-3: Linux kernel (Oracle) vulnerabilitiesubuntu
- unknownUSN-8629-3: Linux kernel (HWE) vulnerabilitiesubuntu
- unknownUSN-8631-4: Linux kernel (Azure CVM) vulnerabilitiesubuntu
- unknownUSN-8629-2: Linux kernel (AWS) vulnerabilitiesubuntu
- unknownUSN-8631-3: Linux kernel (NVIDIA Tegra IGX) vulnerabilitiesubuntu
Recent advisories for net
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[UPDATE] [medium] Golang Go-Module (Net, Image, Crypto): Multiple Vulnerabilitiescert-bund · 2026-08-24
- mediumCVE-2026-12999: The Infineon Airoc Wi-Fi driver's transmit callback airoc_mgmt_send() in drivers/wifi/infineon…nvd · 2026-08-22
- unknownCVE-2026-74718: In the Linux kernel, the following vulnerability has been resolved: devlink: fix net namespace…nvd · 2026-08-22
- unknownCVE-2026-74693: In the Linux kernel, the following vulnerability has been resolved: net: prestera: validate fi…nvd · 2026-08-22
- highCVE-2026-74691: In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear dow…nvd · 2026-08-22
- highCVE-2026-74684: In the Linux kernel, the following vulnerability has been resolved: net: tap: set skb->dev bef…nvd · 2026-08-22
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