CVE-2026-68089

In the Linux kernel, the following vulnerability has been resolved: iio: core: fix uninitialized data in debugfs If *ppos is non-zero then simple_write_to_buffer() will not initialize the start of buf[]. Non zero values for *ppos aren't going to work anyway. Test for them at the start of the function and return -EINVAL.

Package Linux Kernel
Published 2026-08-10
Last modified 2026-08-17
Patch available
Yes

Affected versions

Linux kernel versions 6.15 and later are affected. Fixed in 6.18.39, 7.1.4, 7.2 and their respective stable series.

Affected from
≥ 6.15
Fixed in
✓ 6.18.39 6.18.x ✓ 7.1.4 7.1.x ✓ 7.2

References

3 total

Frequently asked questions

  • What is CVE-2026-68089?

    CVE-2026-68089 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.15 onward and has been patched in 6.18.39, 7.1.4 and 7.2. CVE-2026-68089 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-68089?

    Yes. CVE-2026-68089 has been patched. Fixed versions include 6.18.39, 7.1.4 and 7.2. If you are running Linux kernel 6.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-68089 actively exploited?

    No. CVE-2026-68089 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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