CVE-2026-53368: f2fs: fix fsck inconsistency caused by incorrect nat_entry flag usage
CSIRTS triage
- What
- This vulnerability involves a fix for fsck inconsistency caused by incorrect nat_entry flag usage.
- Who is affected
- Deployments using f2fs file system.
- Urgency
- Remediation is not urgent as there is no known exploitation.
- Action
- Apply the fix for CVE-2026-53368.
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-2026-53368
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-2026-533680.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-53368 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- medium[NEW] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attackcert-bund
- highUSN-8618-1: Linux kernel vulnerabilitiesubuntu
- highUSN-8603-1: Linux kernel (Azure) vulnerabilitiesubuntu
- highUSN-8593-1: Linux kernel vulnerabilitiesubuntu
- highCVE-2026-53368: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix fsck inconsisten…nvd
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