Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31637)

In the Linux kernel, the following vulnerability has been resolved: rxrpc: reject undecryptable rxkad response tickets rxkaddecryptticket decrypts the RXKAD response ticket and then parses the buffer as plaintext without checking whether cryptoskcipherdecrypt succeeded. A malformed RESPONSE can...

Siemens SIMATIC S7-1500 TM MFP Use After Free (CVE-2024-58002)

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Remove dangling pointers When an async control is written, we copy a pointer to the file handle that started the operation. That pointer will be used when the device is done. Which could be anytime in the future...

Siemens SIMATIC S7-1500 TM MFP Deadlock (CVE-2026-23157)

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

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 Improper Input Validation (CVE-2026-46022)

In the Linux kernel, the following vulnerability has been resolved: misc: ibmasm: fix OOB MMIO read in ibmasmhandlemouseinterrupt ibmasmhandlemouseinterrupt performs an out-of-bounds MMIO read when the queue reader or writer index from hardware exceeds REMOTEQUEUESIZE 60. A compromised 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...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-23315)

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: Fix possible oob access in mt76connac2macwritetxwi80211 Check frame length before accessing the mgmt fields in mt76connac2macwritetxwi80211 in order to avoid a possible oob access. fix check to also cover...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46187)

In the Linux kernel, the following vulnerability has been resolved: wifi: rsi: fix kthread lifetime race between self-exit and external-stop RSI driver use both self-exitkthreadcompleteandexit and external-stop kthreadstop when killing a kthread. Generally, kthreadstop is called first, and in thi...

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...

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: xfrm: espintcp: do not reuse an in-progress partial send CVE-2026-52935 kernel: USB: serial: ioti: fix heap overflow in getmanufinfo CVE-2026-53196 kernel: sctp: keep chunk-transport in...

ALSA-2026:85773 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: xfrm: espintcp: do not reuse an in-progress partial send CVE-2026-52935 kernel: USB: serial: ioti: fix heap overflow in getmanufinfo CVE-2026-53196 kernel: sctp: keep chunk-transport in...

RHEL 8 : kernel-rt (RHSA-2026:85774)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:85774 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

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-2026-46056)

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-2026-52928)

In the Linux kernel, the following vulnerability has been resolved: afunix: Reject SIOCATMARK on non-stream sockets SIOCATMARK reports whether the receive queue is at the urgent mark for MSGOOB. In AFUNIX, MSGOOB is supported only for SOCKSTREAM sockets. SOCKDGRAM and SOCKSEQPACKET reject MSGOOB ...

Siemens SIMATIC S7-1500 TM MFP Integer Underflow (CVE-2026-31617)

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: validate minimum blocklen in ncmunwrapntb The blocklen read from the host-supplied NTB header is checked against ntbmax but has no lower bound. When blocklen is smaller than opts-ndpsize, the bounds check of:...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46050)

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix deadlock with check operation and nowait requests When an array check is running it will raise the barrier at which point normal requests will become blocked and increment the nrpending value to signal there is wor...

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-2026-45838)

In the Linux kernel, the following vulnerability has been resolved: bpf: fix end-of-list detection in cgroupstoragegetnextkey listnextentry never returns NULL -- when the current element is the last entry it wraps to the list head via containerof. The subsequent NULL check is therefore dead code...