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-2026-46209)

"In the Linux kernel, the following vulnerability has been resolved: drm/gem: Fix inconsistent plane dimension calculation in drmgemfbinitwithfuncs drmgemfbinitwithfuncs computes sub-sampled plane dimensions using plain integer division: unsigned int width = modecmd-width / i ? info-hsub : 1...

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 Improper Input Validation (CVE-2026-53350)

In the Linux kernel, the following vulnerability has been resolved: ASoC: wmadsp: Fix NULL dereference when removing firmware controls In wmadspcontrolremove check that the priv pointer is not NULL before attempting to cleanup what it points to. When csdsp creates a control it calls...

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...

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-2026-43110)

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-2026-53150)

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Reject zero-length property entries in validator tbpropertyentryvalid accepts entries with length == 0 for DIRECTORY, DATA, and TEXT types. A zero-length TEXT entry passes validation but causes an underflow in the...

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-2026-46128)

In the Linux kernel, the following vulnerability has been resolved: ipmi: Check event message buffer response for bad data The event message buffer response data size got checked later when processing, but check it right after the response comes back. It appears some BMCs may return an empty...

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-2026-53168)

In the Linux kernel, the following vulnerability has been resolved: fuse: reject fusenotify pagecache ops on directories The operations FUSENOTIFYSTORE and FUSENOTIFYRETRIEVE allow the FUSE daemon to actively write/read pagecache contents. For directories with FOPENCACHEDIR, the pagecache is used...

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-2026-52929)

In the Linux kernel, the following vulnerability has been resolved: sctp: stream: fully roll back denied add-stream state When ADDOUTSTREAMS is denied, SCTP only shrinks the queued chunks and then lowers outcnt. That leaves removed stream metadata behind, so a later re-add can reuse a stale ext a...

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-2024-57993)

In the Linux kernel, the following vulnerability has been resolved: HID: hid-thrustmaster: Fix warning in thrustmasterprobe by adding endpoint check syzbot has found a type mismatch between a USB pipe and the transfer endpoint, which is triggered by the hid-thrustmaster driver1. There is a number...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53212)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfttunnel: fix use-after-free on object destroy nfttunnelobjdestroy calls metadatadstfree which directly kfrees the metadatadst, ignoring the dstentry refcount. Packets that took a reference via dsthold in...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43093)

In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdpumemreg could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore ...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46146)

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Avoid potential endless loop in convertchmapv3 The convertchmapv3 has a loop with its increment size of csdesc-wLength, but we forgot to validate csdesc-wLength itself, which may lead to potential endless loop by...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46165)

In the Linux kernel, the following vulnerability has been resolved: openvswitch: vport: fix self-deadlock on release of tunnel ports vports are used concurrently and protected by RCU, so netdevput must happen after the RCU grace period. So, either in an RCU call or after the synchronizenet. The...