Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31586)

In the Linux kernel, the following vulnerability has been resolved: mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfn cgwbreleaseworkfn calls cssputwb-blkcgcss and then later accesses wb-blkcgcss again via blkcgunpinonline. If cssput drops the last reference, the blkcg can be freed...

Siemens SIMATIC S7-1500 TM MFP NULL Pointer Dereference (CVE-2026-23279)

"In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL pointer dereference in meshrxcsaframe In meshrxcsaframe, elems-meshchanswparamsie is dereferenced at lines 1638 and 1642 without a prior NULL check: ifmsh-chswttl = elems-meshchanswparamsie-meshttl;...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53177)

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix NULL pointer dereference PCIe errors detected by a Root Port or Downstream Port cause error recovery services to run on all subordinate devices regardless of administrative state. The .errordetected callback,...

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-2026-23389)

In the Linux kernel, the following vulnerability has been resolved: ice: Fix memory leak in icesetringparam In icesetringparam, txrings and xdprings are allocated before rxrings. If the allocation of rxrings fails, the code jumps to the done label leaking both txrings and xdprings. Furthermore, i...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46088)

In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Validate buflen before strnlen in sndctleleminitenumnames sndctleleminitenumnames advances pointer p through the names buffer while decrementing buflen. If buflen reaches zero but items remain, the next iteration...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53358)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: use chan timer to close channels in cleanuplisten l2capchanclose removes the channel from conn-chanl, which must be done under conn-lock. cleanuplisten runs under the parent sklock, so acquiring conn-lock would...

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-2026-45834)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockstatechangecb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb. This plugin only works with Tenable.ot. Please visit...

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...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43080)

In the Linux kernel, the following vulnerability has been resolved: l2tp: Drop large packets with UDP encap syzbot reported a WARN on my patch series 1. The actual issue is an overflow of 16-bit UDP length field, and it exists in the upstream code. My series added a debug WARN with an overflow...

Siemens SIMATIC S7-1500 TM MFP Improper Control of a Resource Through its Lifetime (CVE-2026-23253)

In the Linux kernel, the following vulnerability has been resolved: media: dvb-core: fix wrong reinitialization of ringbuffer on reopen dvbdvropen calls dvbringbufferinit when a new reader opens the DVR device. dvbringbufferinit calls initwaitqueuehead, which reinitializes the waitqueue list head...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46214)

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix accept queue count leak on transport mismatch virtiotransportrecvlisten calls skacceptqadded before vsockassigntransport. If vsockassigntransport fails or selects a different transport, the error path returns...

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-2026-46070)

In the Linux kernel, the following vulnerability has been resolved: md/raid5: validate payload size before accessing journal metadata r5crecoveryanalyzemetablock and r5lrecoveryverifydatachecksumformb iterate over payloads in a journal metadata block using on-disk payload size fields without...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46243)

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcalltarget that cifs.upcall treats as kernel-originating inputs. However,...

Siemens SIMATIC S7-1500 TM MFP Use of Incorrect Operator (CVE-2026-43114)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapoavx2: don't return non-matching entry on expiry New test case fails unexpectedly when avx2 matching functions are used. The test first loads a ranomly generated pipapo set with 'ipv4 . port' key, i.e. nft -...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46026)

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Limit the maximum number of lookups Current code does no bound checking on the number of lookups a client can perform. Though the code restricts the lookups to local clients, there is still a possibility of a...

Siemens SIMATIC S7-1500 TM MFP Access of Uninitialized Pointer (CVE-2026-23367)

In the Linux kernel, the following vulnerability has been resolved: wifi: radiotap: reject radiotap with unknown bits The radiotap parser is currently only used with the radiotap namespace not with vendor namespaces, but if the undefined field 18 is used, the alignment/size is unknown as well. In...

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...