Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46137)

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADDADDR rtx: fix potential data-race This mptcppmaddtimer helper is executed as a timer callback in softirq context. To avoid any data races, the socket lock needs to be held with bhlocksock. If the socket is in use,...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31625)

In the Linux kernel, the following vulnerability has been resolved: HID: alps: fix NULL pointer dereference in alpsrawevent Commit ecfa6f34492c 'HID: Add HIDCLAIMEDINPUT guards in rawevent callbacks missing them' attempted to fix up the HID drivers that had missed the previous fix that was done i...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2025-38105)

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Kill timer properly at removal The USB-audio MIDI code initializes the timer, but in a rare case, the driver might be freed without the disconnect call. This leaves the timer in an active state while the assigned...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43117)

In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: get correct superblock from dentry in event btrfssyncfile If overlay is used on top of btrfs, dentry-dsb translates to overlay's super block and fsid assignment will lead to a crash. Use fileinodefile-isb to...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45842)

"In the Linux kernel, the following vulnerability has been resolved: slip: reject VJ receive packets on instances with no rstate array slhcinit accepts rslots == 0 as a valid configuration, with the documented meaning of 'no receive compression'. In that case the allocation loop in slhcinit is...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46047)

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Fix use-after-free in driver remove In the remove callback, if a packet arrives after destroyworkqueue is called, but before sockrelease, the qrtrnsdataready callback will try to queue the work, causing...

Siemens SIMATIC S7-1500 TM MFP Improper Control of a Resource Through its Lifetime (CVE-2026-43503)

"In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers pskbcopyfclone and skbshift fail to propagate the SKBFLSHAREDFRAG bit in skbshinfo-flags when moving frags from source to...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-23336)

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkillblock work in wiphyunregister There is a use-after-free error in cfg80211shutdownallinterfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211shutdownallinterfaces+0x213/0x220 Read of size ...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43110)

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: validate bsscfg indices in IF events brcmffwehhandleifevent validates the firmware-provided interface index before it touches drvr-iflist, but it still uses the raw bsscfgidx field as an array index without a...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46151)

In the Linux kernel, the following vulnerability has been resolved: usb: usblp: fix heap leak in IEEE 1284 device ID via short response usblpctrlmsg collapses the usbcontrolmsg return value to 0/-errno, discarding the actual number of bytes transferred. A broken printer can complete the GETDEVICE...

Siemens SIMATIC S7-1500 TM MFP Missing Release of Resource after Effective Lifetime (CVE-2026-23339)

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: free skb on ncitransceive early error paths ncitransceive takes ownership of the skb passed by the caller, but the -EPROTO, -EINVAL, and -EBUSY error paths return without freeing it. Due to issues clearing NCIDATAEXCHAN...

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-2026-53181)

In the Linux kernel, the following vulnerability has been resolved: vsock/vmci: fix skackbacklog leak on failed handshake When vmcitransportrecvconnectingserver returns an error, vmcitransportrecvlisten calls vsockremovepending but never calls skacceptqremoved. This leaves skackbacklog incremente...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53225)

"In the Linux kernel, the following vulnerability has been resolved: sctp: fix uninit-value in sctprcvasconflookup sctprcvasconflookup in net/sctp/input.c only checks that the ASCONF chunk can hold the ADDIP header and a parameter header, then calls af-fromaddrparam, which reads the full address ...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53256)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: hold listener socket in rfcommconnectind rfcommgetsockbychannel scans rfcommsklist under the list lock, but returns the selected listener after dropping that lock without taking a reference. rfcommconnectind th...

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 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-2025-21708)

In the Linux kernel, the following vulnerability has been resolved: net: usb: rtl8150: enable basic endpoint checking Syzkaller reports 1 encountering a common issue of utilizing a wrong usb endpoint type during URB submitting stage. This, in turn, triggers a warning shown below. For now, enable...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46321)

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43493)

In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Fix handling of MAYBACKLOG requests MAYBACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications. This plugin only works with Tenable.ot. Please visit...