Siemens SIMATIC S7-1500 TM MFP Deadlock (CVE-2026-23357)

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

Siemens SIMATIC S7-1500 TM MFP Improper Resource Locking (CVE-2026-23356)

In the Linux kernel, the following vulnerability has been resolved: drbd: fix 'LOGIC BUG' in drbdalbeginiononblock Even though we check that we 'should' be able to do lcgetcumulative while holding the device-allock spinlock, it may still fail, if some other code path decided to do lctrylock with...

Siemens SIMATIC S7-1500 TM MFP Improper Validation of Specified Type of Input (CVE-2026-23318)

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Use correct version for UAC3 header validation The entry of the validators table for UAC3 AC header descriptor is defined with the wrong protocol version UACVERSION2, while it should have been UACVERSION3. This...

Siemens SIMATIC S7-1500 TM MFP Detection of Error Condition Without Action (CVE-2026-23317)

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Return the correct value in vmwtranslateptr functions Before the referenced fixes these functions used a lookup function that returned a pointer. This was changed to another lookup function that returned an error code...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-23310)

In the Linux kernel, the following vulnerability has been resolved: bpf/bonding: reject vlan+srcmac xmithashpolicy change when XDP is loaded bondoptionmodeset already rejects mode changes that would make a loaded XDP program incompatible via bondxdpcheck. However, bondoptionxmithashpolicyset has ...

Siemens SIMATIC S7-1500 TM MFP NULL Pointer Dereference (CVE-2026-23396)

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL deref in meshmatcheslocal meshmatcheslocal unconditionally dereferences ie-meshconfig to compare mesh configuration parameters. When called from meshrxcsaframe, the parsed action-frame elements may not...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46092)

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: check for PCI upstream bridge existence pciupstreambridge returns NULL if the device is on a root bus. If 8821CE is installed in the system with such a PCI topology, the probing routine will crash. This has probably...

Siemens SIMATIC S7-1500 TM MFP Out-of-bounds Read (CVE-2026-43112)

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath When cifssanitizeprepath is called with an empty string or a string containing only delimiters e.g., '/', the current logic attempts to check cursor2 - 1 before cursor2...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53242)

In the Linux kernel, the following vulnerability has been resolved: ALSA: PCM: Fix wait queue list corruption in sndpcmdrain on linked streams sndpcmdrain uses initwaitqueueentry which does not clear entry.prev/next, and addwaitqueue with a conditional removewaitqueue that is skipped when tocheck...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46196)

In the Linux kernel, the following vulnerability has been resolved: tracepoint: balance regfunc on funcadd failure in tracepointaddfunc When a tracepoint goes through the 0 - 1 transition, tracepointaddfunc invokes the subsystem's ext-regfunc before attempting to install the new probe via funcadd...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2025-39997)

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix race condition to UAF in sndusbmidifree The previous commit 0718a78f6a9f 'ALSA: usb-audio: Kill timer properly at removal' patched a UAF issue caused by the error timer. However, because the error timer kill...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2025-21830)

In the Linux kernel, the following vulnerability has been resolved: landlock: Handle weird files A corrupted filesystem e.g. bcachefs might return weird files. Instead of throwing a warning and allowing access to such file, treat them as regular files. This plugin only works with Tenable.ot. Plea...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2025-21725)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix oops due to unset link speed It isn't guaranteed that NETWORKINTERFACEINFO::LinkSpeed will always be set by the server, so the client must handle any values and then prevent oopses like below from happening: Oops...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2025-22105)

In the Linux kernel, the following vulnerability has been resolved: bonding: check xdp prog when set bond mode Following operations can trigger a warning1: ip netns add ns1 ip netns exec ns1 ip link add bond0 type bond mode balance-rr ip netns exec ns1 ip link set dev bond0 xdp obj afxdpkern.o se...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31622)

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: Bounds check NFC-A cascade depth in SDD response handler The NFC-A anti-collision cascade in digitalinrecvsddres appends 3 or 4 bytes to target-nfcid1 on each round, but the number of cascade rounds is controlled...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31532)

In the Linux kernel, the following vulnerability has been resolved: can: raw: fix ro-uniq use-after-free in rawrcv rawrelease unregisters raw CAN receive filters via canrxunregister, but receiver deletion is deferred with callrcu. This leaves a window where rawrcv may still be running in an RCU...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46113)

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN The shadow MMU computes GFNs for direct shadow pages using sp-gfn plus the SPTE index. This assumption breaks for shadow paging if the guest page tables are modifie...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31676)

In the Linux kernel, the following vulnerability has been resolved: rxrpc: only handle RESPONSE during service challenge Only process RESPONSE packets while the service connection is still in RXRPCCONNSERVICECHALLENGING. Check that state under statelock before running response verification and...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31407)

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46056)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix potential UAF in SSP passkey handlers hciconn lookup and field access must be covered by hdev lock in hciuserpasskeynotifyevt and hcikeypressnotifyevt, otherwise the connection can be freed concurrently...