Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31711)

"In the Linux kernel, the following vulnerability has been resolved: smb: server: fix activenumconn leak on transport allocation failure Commit 77ffbcac4e56 'smb: server: fix leak of activenumconn in ksmbdtcpnewconnection' addressed the kthreadrun failure path. The earlier alloctransport == NULL...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46128)

In the Linux kernel, the following vulnerability has been resolved: ipmi: Check event message buffer response for bad data The event message buffer response data size got checked later when processing, but check it right after the response comes back. It appears some BMCs may return an empty...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31611)

In the Linux kernel, the following vulnerability has been resolved: ksmbd: require 3 sub-authorities before reading subauth2 parsedacl compares each ACE SID against sidunixNFSmode and on match reads sid.subauth2 as the file mode. If sidunixNFSmode is the prefix S-1-5-88-3 with numsubauth = 2 then...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46023)

In the Linux kernel, the following vulnerability has been resolved: dm mirror: fix integer overflow in createdirtylog The argument count calculation in createdirtylog performs argsused = 2 + paramcount before validating against argc. When a user provides a paramcount close to UINTMAX via the devi...

Siemens SIMATIC S7-1500 TM MFP Time-of-check Time-of-use (CVE-2026-46227)

In the Linux kernel, the following vulnerability has been resolved: sctp: revalidate list cursor after sctpsendmsgtoasoc in SCTPSENDALL The SCTPSENDALL path in sctpsendmsg iterates ep-asocs with listforeachentrysafe, which caches the next entry in @tmp before the loop body runs. The body calls...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-23066)

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix recvmsg unconditional requeue If rxrpcrecvmsg fails because MSGDONTWAIT was specified but the call at the front of the recvmsg queue already has its mutex locked, it requeues the call - whether or not the call is alrea...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2024-58077)

In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-pcm: don't use socpcmret on .prepare callback commit 1f5664351410 'ASoC: lower 'no backend DAIs enabled for ... Port' log severity' ignores -EINVAL error message on common socpcmret. It is used from many functions,...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43074)

In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, epfree in eventpoll.c will kfree the epi-ep eventpoll struct while it still being used by another concurrent thread. Defer the kfree to an RCU...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43350)

In the Linux kernel, the following vulnerability has been resolved: smb: client: require a full NFS mode SID before reading mode bits parsedacl treats an ACE SID matching sidunixNFSmode as an NFS mode SID and reads sid.subauth2 to recover the mode bits. That assumes the ACE carries three...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-23272)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unconditionally bump set-nelems before insertion In case that the set is full, a new element gets published then removed without waiting for the RCU grace period, while RCU reader can be walking over it...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46044)

In the Linux kernel, the following vulnerability has been resolved: ipmi:ssif: Clean up kthread on errors If an error occurs after the ssif kthread is created, but before the main IPMI code starts the ssif interface, the ssif kthread will not be stopped. So make sure the kthread is stopped on an...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-23312)

In the Linux kernel, the following vulnerability has been resolved: net: usb: kaweth: validate USB endpoints The kaweth driver should validate that the device it is probing has the proper number and types of USB endpoints it is expecting before it binds to it. If a malicious device were to not ha...

Siemens SIMATIC S7-1500 TM MFP Improper Validation of Specified Index, Position, or Offset in Input (CVE-2026-23388)

In the Linux kernel, the following vulnerability has been resolved: Squashfs: check metadata block offset is within range Syzkaller reports a 'general protection fault in squashfscopydata' This is ultimately caused by a corrupted index look-up table, which produces a negative metadata block offse...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31705)

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bounds write in smb2getea EA alignment smb2getea applies 4-byte alignment padding via memset after writing each EA entry. The bounds check on buffreelen is performed before the value memcpy, but the alignment...

Siemens SIMATIC S7-1500 TM MFP NULL Pointer Dereference (CVE-2025-21779)

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Reject Hyper-V's SENDIPI hypercalls if local APIC isn't in-kernel Advertise support for Hyper-V's SENDIPI and SENDIPIEX hypercalls if and only if the local API is emulated/virtualized by KVM, and explicitly reject said...

Siemens SIMATIC S7-1500 TM MFP Use After Free (CVE-2025-21838)

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: core: flush gadget workqueue after device removal devicedel can lead to new work being scheduled in gadget-work workqueue. This is observed, for example, with the dwc3 driver with the following call stack: devicedel...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-23442)

In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths in6devget can return NULL when the device has no IPv6 configuration e.g. MTU IPV6MINMTU or after NETDEVUNREGISTER. Add NULL checks for idev returned by in6devget in both...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31451)

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45840)

In the Linux kernel, the following vulnerability has been resolved: openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... but serialize the full upcall PID array via ovsvportgetupcallportids...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53245)

In the Linux kernel, the following vulnerability has been resolved: net/802/mrp: fix vector attribute parsing in mrppduparsevecattr In mrppduparsevecattr, vector attribute events are encoded three per byte and valen tracks the number of events left to process. The parser decrements valen after...