Linux Distros Unpatched Vulnerability : CVE-2026-31537

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: server: make use of smbdirectsocket.sendio.bcredits It turns out that our code will corrupt the stream of reassabled data transfer messages when we trigger...

CVE-2026-31609

A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability, a double-free, occurs in the smbdfreesendio function after smbdsendbatchflush has already freed the memory. This memory corruption can lead to a denial of service DoS for the affected system. Mitigation To...

CVE-2026-31536

A flaw was found in the Linux kernel's Server Message Block SMB direct server implementation. This issue occurs during smbdirectsendbatch processing where requests without the IBSENDSIGNALED flag may be incorrectly handled when a connection is broken. This could lead to unexpected behavior relate...

CVE-2026-31608

In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smbdirectfreesendmsg after smbdirectflushsendlist smbdirectflushsendlist already calls smbdirectfreesendmsg, so we should not call it again after postsendmsg moved it to the batch list...

DEBIAN-CVE-2026-31608

In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smbdirectfreesendmsg after smbdirectflushsendlist smbdirectflushsendlist already calls smbdirectfreesendmsg, so we should not call it again after postsendmsg moved it to the batch list...

DEBIAN-CVE-2026-31609

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbdfreesendio after smbdsendbatchflush smbdsendbatchflush already calls smbdfreesendio, so we should not call it again after smbdpostsend moved it to the batch list...

CVE-2026-31609

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbdfreesendio after smbdsendbatchflush smbdsendbatchflush already calls smbdfreesendio, so we should not call it again after smbdpostsend moved it to the batch list...

DEBIAN-CVE-2026-31536

In the Linux kernel, the following vulnerability has been resolved: smb: server: let senddone handle a completion without IBSENDSIGNALED With smbdirectsendbatch processing we likely have requests without IBSENDSIGNALED, which will be destroyed in the final request that has IBSENDSIGNALED set. If...

CVE-2026-31534

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-31536

In the Linux kernel, the following vulnerability has been resolved: smb: server: let senddone handle a completion without IBSENDSIGNALED With smbdirectsendbatch processing we likely have requests without IBSENDSIGNALED, which will be destroyed in the final request that has IBSENDSIGNALED set. If...

CVE-2026-31537

In the Linux kernel, the following vulnerability has been resolved: smb: server: make use of smbdirectsocket.sendio.bcredits It turns out that our code will corrupt the stream of reassabled data transfer messages when we trigger an immendiate empty send. In order to fix this we'll have a single...

DEBIAN-CVE-2026-31537

In the Linux kernel, the following vulnerability has been resolved: smb: server: make use of smbdirectsocket.sendio.bcredits It turns out that our code will corrupt the stream of reassabled data transfer messages when we trigger an immendiate empty send. In order to fix this we'll have a single...

CVE-2026-31536

In the Linux kernel, the following vulnerability has been resolved: smb: server: let senddone handle a completion without IBSENDSIGNALED With smbdirectsendbatch processing we likely have requests without IBSENDSIGNALED, which will be destroyed in the final request that has IBSENDSIGNALED set. If...

CVE-2026-31537

In the Linux kernel, the following vulnerability has been resolved: smb: server: make use of smbdirectsocket.sendio.bcredits It turns out that our code will corrupt the stream of reassabled data transfer messages when we trigger an immendiate empty send. In order to fix this we'll have a single...

EUVD-2026-25502

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbdfreesendio after smbdsendbatchflush smbdsendbatchflush already calls smbdfreesendio, so we should not call it again after smbdpostsend moved it to the batch list...

CVE-2026-31609 smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush()

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbdfreesendio after smbdsendbatchflush smbdsendbatchflush already calls smbdfreesendio, so we should not call it again after smbdpostsend moved it to the batch list...

CVE-2026-31609 smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush()

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbdfreesendio after smbdsendbatchflush smbdsendbatchflush already calls smbdfreesendio, so we should not call it again after smbdpostsend moved it to the batch list...

EUVD-2026-25501

In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smbdirectfreesendmsg after smbdirectflushsendlist smbdirectflushsendlist already calls smbdirectfreesendmsg, so we should not call it again after postsendmsg moved it to the batch list...

CVE-2026-31608

CVE-2026-31608 affects the Linux kernel SMB server. The issue is a double-free in smb_direct_free_sendmsg when invoked after smb_direct_flush_send_list(); smb_direct_flush_send_list() already calls smb_direct_free_sendmsg(), so a second call after post_sendmsg() is incorrect. The fix moves the ca...

CVE-2026-31608 smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()

In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smbdirectfreesendmsg after smbdirectflushsendlist smbdirectflushsendlist already calls smbdirectfreesendmsg, so we should not call it again after postsendmsg moved it to the batch list...