CVE-2022-49742: f2fs: initialize locks earlier in f2fs_fill_super()
CSIRTS triage
- What
- The f2fs filesystem driver initializes locks too late in the mount sequence, creating a race condition window.
- Who is affected
- Systems using the f2fs filesystem driver across affected kernel versions.
- Urgency
- Medium severity; race condition could cause inconsistent state during filesystem initialization.
- Action
- Update to a patched Linux kernel version that initializes f2fs locks earlier in fill_super.
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-2022-49742
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-2022-497420.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2022-49742 | coverage & exploitation status | NVD · CVE.org |
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