Linux Distros Unpatched Vulnerability : CVE-2026-89630

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 cifs: Remove the RFC1002 header from smbhdr changed the quantity this bound ...

CVE-2026-89630

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

UBUNTU-CVE-2026-89630

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

EUVD-2026-76542

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

CVE-2026-89630 smb: client: restore the data_offset bound in is_valid_oplock_break()

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098973)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098973 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired ...

kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired by the related server fixes...

CVE-2025-39943

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: validate dataoffset and datalength field of smbdirectdatatransfer If dataoffset and datalength of smbdirectdatatransfer struct are invalid, out of bounds issue could happen. This patch validate dataoffset and...

Then the probe Stagefright vulnerability: on POC with the EXP-bug warning-the black bar safety net

Foreword In before the topic--Stagefright vulnerability: a preliminary study, we determined the vulnerability of the generating position, and then the whole article just stopped short. This vulnerability after all the impact is very deep, and some details do not know when to speak improper to...