What is CVE-2026-31449?

CVE-2026-31449 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. ext4: validate p_idx bounds in ext4_ext_correct_indexes

Which CVE IDs does CVE-2026-31449 cover?

CVE-2026-31449 covers the following CVE IDs: CVE-2026-31449. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-31449?

CVE-2026-31449 has a CVSS v3 base score of 7.1, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-31449?

CVE-2026-31449 affects 6 products, including: azl3 kernel 6.6.130.1-3 on Azure Linux 3.0; azl3 kernel 6.6.134.1-2 on Azure Linux 3.0; azl3 kernel 6.6.137.1-2 on Azure Linux 3.0; azl3 kernel 6.6.138.1-1 on Azure Linux 3.0; azl3 kernel 6.6.139.1-1 on Azure Linux 3.0; and others — see the full list on the advisory page.