CVE-2022-48673: net/smc: Fix possible access to freed memory in link clear
CSIRTS triage
- What
- A use-after-free vulnerability exists in the SMC net subsystem during link clear operations.
- Who is affected
- Systems running affected Linux kernel versions with SMC (Shared Memory Communications) sockets enabled are exposed.
- Urgency
- Moderate; CVSS 5.5 indicates medium severity; use-after-free can cause crashes or corruption.
- Action
- Update to a Linux kernel version that fixes the use-after-free in SMC link clear logic.
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-2022-48673
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-2022-486730.50% 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-2022-48673 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilitiescert-bund
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