CVE-2026-46150

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotify_get_mark_safe() may return false for a mark on an unrelated group, which results in bypassing the permission check. Fix by skipping over detached marks that are not in the current group.

Score

CVSS 3.1 7.1 High

Status

Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-05-28

Last modified

2026-10-19

Weaknesses

CWE-863

Affected products

• Linux Kernel (Linux)
• Simatic S7-1500 Tm Mfp - Gnulinux Subsystem (Siemens)

References

• https://git.kernel.org/stable/c/a24765332e129c1916d5a6615418b75599b8fcdc
• https://git.kernel.org/stable/c/4a7611ad653785fcdea5ff5f4441e2b7d05b7f11
• https://git.kernel.org/stable/c/04bb66be92f48ed13c3faf1139d892df228789bc
• https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a
• https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f
• https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678
• https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538
• https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900
• https://cert-portal.siemens.com/productcert/html/ssa-784472.html