CVE-2024-56626: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Out-of-Bounds Write in ksmbd_vfs_stream_write An offset from client could be a negative value, It could allows to write data outside the bounds of the allocated buffer. Note that this issue is coming when setting 'vfs objects = streams_xattr parameter' in ksmbd.conf.

Affected products

• Linux Linux Kernel: from 5.15, before 5.15.176 (fixed in 5.15.176); from 5.16, before 6.1.120 (fixed in 6.1.120); from 6.2, before 6.6.66 (fixed in 6.6.66); from 6.7, before 6.12.5 (fixed in 6.12.5); version 6.13 only

Published 2024-12-27. Last modified 2026-08-04.