Vulnerability in Linux

[ Description ]Official description

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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund18 Oct 2026WID-SEC-2026-4019

  Linux Kernel: Multiple vulnerabilities Translated from German

  CVE-2026-98866CVE-2026-98624CVE-2026-98745+326 more CVEs

[ References ]References

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