SUSE 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...

SUSE 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 smb: server: let send_done handle a completion without IB_SEND_SIGNALED

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...

ksmbd: fix potencial OOB in get_file_all_info() for compound requests

...

CVE-2026-31477

In CVE-2026-31477, the Linux kernel ksmbd component smb2_lock() had three error-handling issues after detaching smb_lock from lock_list: (1) non-UNLOCK path leaks smb_lock and its flock when vfs_lock_file() returns an unexpected error, (2) UNLOCK path leaks on -ENOENT with stale error code, and (...

CVE-2026-31432

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix OOB write in QUERYINFO for compound requests When a compound request such as READ + QUERYINFOSecurity is received, and the first command READ consumes most of the response buffer, ksmbd could write beyond the allocated...

CVE-2026-23427

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parsedurablehandlecontext unconditionally assigns dhinfo-fp-conn to the current connection when handling a DURABLEREQV2 context with SMB2FLAGSREPLAYOPERATION...

CVE-2026-23364

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Compare MACs in constant time To prevent timing attacks, MAC comparisons need to be constant-time. Replace the memcmp with the correct function, cryptomemneq...

CVE-2026-23228 smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection()

In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of activenumconn in ksmbdtcpnewconnection On kthreadrun failure in ksmbdtcpnewconnection, the transport is freed via freetransport, which does not decrement activenumconn, leaking this counter. Replace...

CVE-2026-23228

In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of activenumconn in ksmbdtcpnewconnection On kthreadrun failure in ksmbdtcpnewconnection, the transport is freed via freetransport, which does not decrement activenumconn, leaking this counter. Replace...

CVE-2026-23220

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix infinite loop caused by nextsmb2rcvhdroff reset in error paths The problem occurs when a signed request fails smb2 signature verification check. In processrequest, if checksignreq returns an error, setsmb2rspstatuswork...

CVE-2026-23093

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dmaunmapsg nents The dmaunmapsg functions should be called with the same nents as the dmamapsg, not the value the map function returned...

EUVD-2026-5449

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dmaunmapsg nents The dmaunmapsg functions should be called with the same nents as the dmamapsg, not the value the map function returned...

CVE-2026-23093

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dmaunmapsg nents The dmaunmapsg functions should be called with the same nents as the dmamapsg, not the value the map function returned...

Astra Linux – Vulnerability in Samba

A flaw was discovered in Samba. The smbd service daemon does not detect changes in group membership when re-authenticating an expired SMB session. This issue can expose file shares until clients disconnect and then reconnect...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A null pointer dereference issue in destroyprevioussession has been fixed. If the -PreviousSessionId is set during the Kerberos session setup phase, a null pointer dereference error may occur. Since sess-user is not set ye...

MiracleLinux 8 : samba-4.13.3-5.el8 (AXSA:2021-2516:05)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2021-2516:05 advisory. samba: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token CVE-2021-20254 Tenable has extracted the precedi...

MiracleLinux 8 : libldb-2.5.2-2.el8 (AXSA:2022-4263:02)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2022-4263:02 advisory. samba: AD users can induce a use-after-free in the server process with an LDAP add or modify request CVE-2022-32746 Tenable has extracted the preceding...

MiracleLinux 4 : samba-3.6.23-43.AXS4 (AXSA:2017-1658:03)

The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2017-1658:03 advisory. Samba is the suite of programs by which a lot of PC-related machines share files, printers, and other information such as lists of available files and...

MiracleLinux 4 : samba-3.6.9-169.AXS4.0.1 (AXSA:2014-443:03)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2014-443:03 advisory. Samba is the suite of programs by which a lot of PC-related machines share files, printers, and other information such as lists of available files an...