CVE-2026-31704

medium Red Hat
EPSS Score
0.0%
Exploitation probability in 30 days
Top 95% most likely to be exploited
Published: May 1, 2026 (13 days ago)
Last Modified: May 1, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the ksmbd component of the Linux kernel. This vulnerability arises from an integer overflow when handling Access Control List (ACL) sizes. When a file is configured with a large number of POSIX ACL entries, the system's calculation of the accumulated size can exceed its designated memory, leading to incorrect pointer arithmetic. This can result in the corruption of the buffer, causing existing ACL entries to be overwritten and potentially leading to data integrity issues or system instability.

CWE

CWE-190

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 lore.kernel.org