CVE-2025-71109: MIPS: ftrace: Fix memory corruption when kernel is located beyond 32 bits
CSIRTS triage
- What
- MIPS ftrace initialization causes memory corruption when the kernel is loaded at addresses beyond 32-bit range.
- Who is affected
- MIPS-based systems running affected Linux kernel versions with ftrace enabled and kernel address space above 4GB.
- Urgency
- High severity (CVSS 7.8); memory corruption can lead to system instability.
- Action
- Apply kernel patch fixing MIPS ftrace address handling for 64-bit kernel locations.
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-2025-71109
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-2025-711090.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-71109 | coverage & exploitation status | NVD · CVE.org |
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