f2fs: fix to clear dirty flag on folio in error path
CVE-2026-89832 · published 16 Sept 2026
How serious is it
- Severity: high, CVSS score 7.8 out of 10.
- No exploit prediction (EPSS) score yet.
- Not on the CISA list of exploited vulnerabilities.
- No public exploit in Exploit-DB.
Is your app affected by CVE-2026-89832?
Paste this prompt into Claude Code, Cursor or any AI coding tool: it runs a free Shippable scan of your project and fixes what it finds. Built with Lovable, Bolt or v0? Scan your live app. Or upload your package file.
Who is affected
- Linux Linux: b42b179bda9ff11075a6fc2bac4d9e400513679a to < 21b7f66716b4fd0dffac4fcd06602b888f3c4531, b42b179bda9ff11075a6fc2bac4d9e400513679a to < 34732e3a8713f3b7acd1a0ea37e3a6bee4c78550, b42b179bda9ff11075a6fc2bac4d9e400513679a to < ab35ae07f2b5b4e118ea47b88577fc7d0e797b17, b42b179bda9ff11075a6fc2bac4d9e400513679a to < 3923ec2b98c96dda4a8bfab81d22553dbf0dd6c2
- Linux Linux: 5.2
How to check
- Find out whether you run the affected product and which version, then compare it with the versions above.
How to fix
Copies a prompt for Claude Code, Cursor or Codex that asks it to check whether you run this product.
- Apply the vendor's update or mitigation from the references below. If there is none yet, limit exposure of the affected service until there is.
- If a vulnerable version was live, check your logs and rotate the secrets that server could read.
The advisory
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix to clear dirty flag on folio in error path
If node block is corrupted due to chksum mismatch or inconsistent
footer info, it needs to drop clear flag of node folio, in order
to persist inconsistent node data to storage.
Check your whole app
Dependencies are only half of it. Free and read-only: before you push, run npx shippable-dev scan localhost:3000 in your project folder, no account needed. For your live app, you prove it's yours with a one-line tag first.
References
- git.kernel.org/stable/c/21b7f66716b4fd0dffac4fcd06602b888f3c4531
- git.kernel.org/stable/c/34732e3a8713f3b7acd1a0ea37e3a6bee4c78550
- git.kernel.org/stable/c/ab35ae07f2b5b4e118ea47b88577fc7d0e797b17
- git.kernel.org/stable/c/3923ec2b98c96dda4a8bfab81d22553dbf0dd6c2
- git.kernel.org/stable/c/5b86eab84ac8e9289b5afc52ef88ab18ba5bacab
Merged from CVE List. Last updated 26 Oct 2026. All vulnerabilities · RSS · JSON