CVE-2024-49945: net/ncsi: Disable the ncsi work before freeing the associated structure
CSIRTS triage
- What
- The ncsi work structure is freed without being properly disabled first, causing potential use-after-free or memory corruption.
- Who is affected
- Linux systems with NCSI (NC-SI) network controller support enabled.
- Urgency
- Medium severity; memory corruption vulnerability could lead to crashes or potential code execution depending on exploitation.
- Action
- Apply the kernel patch that disables ncsi work before freeing the structure or upgrade to a patched kernel.
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-2024-49945
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-2024-499450.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-49945 | coverage & exploitation status | NVD · CVE.org |
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