Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed a slab out-of-bounds write in smbinheritdacl. The slab out-of-bounds write occurs because the offsets are larger than the allocation size of pntsd. This patch adds a check to validate the three offsets using the...

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...

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-2026-36336

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ksmbd module where the smb inherit dacl function trusts the num aces value from a parent directory's DACL xattr to determine the size of a heap allocation. An...

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...