CVE-2026-31706

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate numaces and harden ACE walk in smbinheritdacl smbinheritdacl trusts the on-disk numaces value from the parent directory's DACL xattr and uses it to size a heap allocation: acesbase = kmallocsizeofstruct smbace...

CVE-2026-31706 ksmbd: validate num_aces and harden ACE walk in smb_inherit_dacl()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate numaces and harden ACE walk in smbinheritdacl smbinheritdacl trusts the on-disk numaces value from the parent directory's DACL xattr and uses it to size a heap allocation: acesbase = kmallocsizeofstruct smbace...

PT-2023-9354 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: The issue is related to a slab out-of-bounds write in the smb inherit dacl function, caused by offsets being larger than the pntsd allocation size. This can lead to unauthorized access...