Not yet scoredPublished Oct 18, 2026

CVE-2026-98668iio: buffer: Ensure bounce buffer used for unaligned case is zeroed.

Updated under an hour ago (Oct 26, 2026, 8:10 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Ensure bounce buffer used for unaligned case is zeroed. iio_push_to_buffers_with_ts_unaligned() leaks uninitialized heap memory to userspace if the data passed in is not a multiple of 8 bytes and the timestamp is enabled. Specify __GFP_ZERO for the devm_krealloc() to ensure any extra space is cleared.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 18, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 before b4f53cec8cc94b37601ce0bb2b272b6753beed98; from 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 before b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2; from 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 before b134ef820610bd873c9d59999d9824710964ce82; 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 builds before 3a87212b1a09a1fdd730ce5520f7b1fc0b488511; from 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 before 5330036bc68d23672bfcc16c60c54701ae123083	CNA record

References

References

https://git.kernel.org/stable/c/b4f53cec8cc94b37601ce0bb2b272b6753beed98
https://git.kernel.org/stable/c/b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2
https://git.kernel.org/stable/c/b134ef820610bd873c9d59999d9824710964ce82
https://git.kernel.org/stable/c/3a87212b1a09a1fdd730ce5520f7b1fc0b488511
https://git.kernel.org/stable/c/5330036bc68d23672bfcc16c60c54701ae123083

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.