Is there a public exploit for CVE-2026-99265?

No public exploit for CVE-2026-99265 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

What does CVE-2026-99265 affect?

CVE-2026-99265 affects Linux Linux.

— Unscored

In the Linux kernel, the following vulnerability has been resolved: iouring/openclose: keep the lock in iopipefixed() iopipefixed()…

CVE-2026-99265

In the Linux kernel, the following vulnerability has been resolved: iouring/openclose: keep the lock in iopipefixed() iopipefixed() installs both ends of the pipe in the fixed file table, drops ->uringlock, and copies the slot numbers to the application. If that faults, it takes the lock again and removes whatever is in these slots. If the request is run by io-wq the lock really is dropped in between, and the slots are visible to everybody else. By the time the error path gets to them, they may have been closed and reused, by IORINGOPCLOSE and a direct open or accept, or by IORINGREGISTERFILESUPDATE. Then a file is removed from the table that has nothing to do with the failed request. Do the copy with the lock held. Faulting in user memory under uringlock is fine, the registration paths do it all the time.

Assessment

CVSS: Not yet scored
Severity: Unscored
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Affected: Linux · Linux
Assigner: Linux

At the source

EUVD (ENISA)

References

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