Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46168)

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix scheduling with atomic in timestamp sockopt Using locksockfast atomic context around socksettimestamp and socksettimestamping is unsafe, as both helpers can sleep. Replace locksockfast with sleepable locksock/releaseso...

Siemens SIMATIC S7-1500 TM MFP Use After Free (CVE-2025-21700)

In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused for privilege escalation with the following script Step 1. create root qdisc tc qdisc add dev lo...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46122)

In the Linux kernel, the following vulnerability has been resolved: wifi: b43: enforce bounds check on firmware key index in b43rx The firmware-controlled key index in b43rx can exceed the dev-key array size 58 entries. The existing B43WARNON is non-enforcing in production builds, allowing an...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31685)

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6teui64: reject invalid MAC header for all packets eui64mt6 derives a modified EUI-64 from the Ethernet source address and compares it with the low 64 bits of the IPv6 source address. The existing guard only rejects ...

Siemens SIMATIC S7-1500 TM MFP Improper Validation of Consistency within Input (CVE-2026-31488)

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Do not skip unrelated mode changes in DSC validation Starting with commit 17ce8a6907f7 'drm/amd/display: Add dsc pre-validation in atomic check', amdgpu resets the CRTC state modechanged flag to false when...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43496)

In the Linux kernel, the following vulnerability has been resolved: net/sched: schred: Replace direct dequeue call with peek and qdiscdequeuepeeked When red qdisc has children eg qfq qdisc whose peek callback is qdiscpeekdequeued, we could get a kernel panic. When the parent of such qdiscs eg...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53184)

"In the Linux kernel, the following vulnerability has been resolved: udp: clear skb-dev before running a sockmap verdict On the UDP receive path skb-dev is repurposed as devscratch the truesize/state cache set by udpsetdevscratch, through the union struct netdevice dev; unsigned long devscratch; ...

Siemens SIMATIC S7-1500 TM MFP Expired Pointer Dereference (CVE-2026-46125)

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: remove station if connection prep fails If connection preparation fails for MLO connections, then the interface is completely reset to non-MLD. In this case, we must not keep the station since it's related to the...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31694)

In the Linux kernel, the following vulnerability has been resolved: fuse: reject oversized dirents in page cache fuseadddirenttocache computes a serialized dirent size from the server-controlled namelen field and copies the dirent into a single page-cache page. The existing logic only checks...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2024-36922)

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: read txq-readptr under lock If we read txq-readptr without lock, we can read the same value twice, then obtain the lock, and reclaim from there to two different places, but crucially reclaim the same entry twice,...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31642)

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call removal to use RCU safe deletion Fix rxrpc call removal from the rxnet-calls list to use listdelrcu rather than listdelinit to prevent stuffing up reading /proc/net/rxrpc/calls from potentially getting into an...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45844)

In the Linux kernel, the following vulnerability has been resolved: netfilter: arptables: fix IEEE1394 ARP payload parsing Weiming Shi says: 'arppacketmatch unconditionally parses the ARP payload assuming two hardware addresses are present source and target. However, IPv4-over-IEEE1394 ARP RFC 27...

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...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31699)

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

Siemens SIMATIC S7-1500 TM MFP Release of Invalid Pointer or Reference (CVE-2026-23352)

In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...

Siemens SIMATIC S7-1500 TM MFP Use After Free (CVE-2025-21791)

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdevl3out l3mdevl3out can be called without RCU being held: rawsendmsg ippushpendingframes ipsendskb iplocalout iplocalout l3mdevipout Add rcureadlock / rcureadunlock pair to avoid a potential UAF. Th...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2025-23131)

In the Linux kernel, the following vulnerability has been resolved: dlm: prevent NPD when writing a positive value to eventdone douevent returns the value written to eventdone. In case it is a positive value, newlockspace would undo all the work, and lockspace would not be set. dlmnewlockspace,...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-52918)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize acceptq access btsockpoll walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last reference. The unsynchronized accept queue walk has existed since th...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53146)

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Limit XDomain response copy to actual frame size tbxdomaincopy copies req-responsesize bytes from the received packet buffer regardless of the actual frame size. When a short response arrives, this reads past the val...

Siemens SIMATIC S7-1500 TM MFP Use After Free (CVE-2025-39863)

"In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free when rescheduling brcmfbtcoexinfo work The brcmfbtcoexdetach only shuts down the btcoex timer, if the flag timeron is false. However, the brcmfbtcoextimerfunc, which runs as timer handler, sets...