Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46167)

In the Linux kernel, the following vulnerability has been resolved: usb: usblp: fix uninitialized heap leak via LPGETSTATUS ioctl Just like in a previous problem in this driver, usblpctrlmsg will collapse the usbcontrolmsg return value to 0/-errno, discarding the actual number of bytes transferre...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31629)

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: add missing return after LLCPCLOSED checks In nfcllcprecvhdlc and nfcllcprecvdisc, when the socket state is LLCPCLOSED, the code correctly calls releasesock and nfcllcpsockput but fails to return. Execution falls throu...

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-2026-46185)

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in symlinkdata Since smb2checkmessage returns success without length validation for the symlink error response, in symlinkdata it is possible for iov-iovlen to be smaller than sizeofstruct...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53198)

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of a deferred filelock on double SMB2CANCEL A deferred byte-range lock an SMB2LOCK that blocks registers an async work on conn-asyncrequests via setupasyncwork, with cancelfn = smb2removeblockedlock and...

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-2026-53080)

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL dereference of 'old' filters before change Like pointed out by Sashiko 1, since commit ed76f5edccc9 'net: sched: protect filterchain list with filterchainlock mutex' TC filters are added to a shared blo...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53228)

In the Linux kernel, the following vulnerability has been resolved: ipv6: sit: reload inner IPv6 header after GSO offloads ipip6tunnelxmit caches the inner IPv6 header pointer at function entry and continues using it after iptunnelhandleoffloads. For GSO skbs, iptunnelhandleoffloads calls...

Siemens SIMATIC S7-1500 TM MFP Unchecked Return Value (CVE-2025-21832)

In the Linux kernel, the following vulnerability has been resolved: block: don't revert iter for -EIOCBQUEUED blkdevreaditer has a few odd checks, like gating the position and count adjustment on whether or not the result is bigger-than-or-equal to zero where bigger than makes more sense, and not...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46304)

"In the Linux kernel, the following vulnerability has been resolved: nvmet: avoid recursive nvmet-wq flush in nvmetctrlfree nvmettcpreleasequeuework runs on nvmet-wq and can drop the final controller reference through nvmetcqput. If that triggers nvmetctrlfree, the teardown path flushes...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53265)

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de 'dm cache policy smq: fix missing locks in invalidating cache blocks' added mq-lock around the destructive part of smqinvalidatemapping, but left the...

Siemens SIMATIC S7-1500 TM MFP Expired Pointer Dereference (CVE-2026-52923)

In the Linux kernel, the following vulnerability has been resolved: ipc: limit nextid allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids-nextid. ipcidralloc currently forwards that request to idralloc with an open-ended upper bound. If...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53131)

In the Linux kernel, the following vulnerability has been resolved: netfilter: require Ethernet MAC header before using ethhdr ip6teui64, xtmac, the bitmap:ip,mac, hash:ip,mac, and hash:mac ipset types, and nflogsyslog access ethhdrskb after either assuming that the skb is associated with an...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31698)

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy PDH cert to userspace if PSP command failed When retrieving the PDH cert, don't attempt to copy the blobs to userspace if the firmware command failed. If the failure was due to an invalid length...

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 Input Validation (CVE-2024-56647)

In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering iprtbug arp link failure may trigger iprtbug while xfrm enabled, call trace is: WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 iprtbug+0x14/0x20 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm...

ALSA-2026:86033 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: openvswitch: defer tunnel netdevput to RCU release CVE-2026-31678 kernel: xfrm: espintcp: do not reuse an in-progress partial send CVE-2026-52935 kernel: USB: serial: mxuport: fix memory...

Linux kernel RAID1 DoS

The vulnerability in the raid1readrequest function within the drivers/md/raid1.c component of the Linux kernel operating system is related to an improper thread management implementation. Exploitation of this vulnerability may allow an attacker to cause a denial of service...

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...

Linux kernel SFP I2C DoS

The vulnerability in the sfpi2cmdiobuscreate function within the drivers/net/phy/sfp.c component of the Linux kernel operating system is related to insufficient resource control during its existence. Exploitation of this vulnerability may allow an attacker to cause a denial of service...