Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31622)

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: Bounds check NFC-A cascade depth in SDD response handler The NFC-A anti-collision cascade in digitalinrecvsddres appends 3 or 4 bytes to target-nfcid1 on each round, but the number of cascade rounds is controlled...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53227)

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix possible kfreeskb of ERRPTR After the patch in the 'Fixes' tag, the allocation of the 'reply' skb can happen either before or after locking the ovsmutex. However, error cleanups still follow the classical...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-23278)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: always walk all pending catchall elements During transaction processing we might have more than one catchall element: 1 live catchall element and 1 pending element that is coming as part of the new batch. If...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-52948)

In the Linux kernel, the following vulnerability has been resolved: i2c: dev: prevent integer overflow in I2CTIMEOUT ioctl While fuzzing with Syzkaller, a persistent scheduletimeout: wrong timeout value warning was observed, accompanied by SMBus controller state machine corruption. The I2CTIMEOUT...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45835)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsocknewconnectioncb 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-2026-53349)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: destroy stale expectfn expectations on unregister NAT helpers such as nfnath323 store a raw pointer to module text in exp-expectfn e.g. ipnatq931expect. nfcthelperexpectfnunregister only unlinks the callba...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2025-38250)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix use-after-free in vhciflush syzbot reported use-after-free in vhciflush without repro. 0 From the splat, a thread closed a vhci file descriptor while its device was being used by iotcl on another thread...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45850)

In the Linux kernel, the following vulnerability has been resolved: ipvs: skip ipv6 extension headers for csum checks Protocol checksum validation fails for IPv6 if there are extension headers before the protocol header. iph-len already contains its offset, so use it to fix the problem. This plug...

Linux kernel SFP I2C DoS

The vulnerability in the sfpi2cmdiobuscreate function within the drivers/net/phy/sfp.c component of the Linux kernel operating system is related to insufficient resource control during its existence. Exploitation of this vulnerability may allow an attacker to cause a denial of service...

Linux kernel enetc_xdp_xmit() Data Compromise

The vulnerability of the enetcxdpxmit function in the drivers/net/ethernet/freescale/enetc/enetc.c component of the Linux kernel is related to insufficient resource control during its existence. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, an...

intel_crtc_put_color_blobs() Function Kernel Module Use-After-Free

The vulnerability of the intelcrtcputcolorblobs function in the drivers/gpu/drm/i915/display/intelatomic.c file of the Linux kernel is related to the improper implementation of thread management. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, a...

Linux kernel Heap Buffer Overflow DoS

The vulnerability of the groupunbindlocked function in the drivers/gpu/drm/panthor/panthorsched.c file of the Linux kernel is related to the improper implementation of thread management. Exploiting this vulnerability could allow an attacker to cause a service failure...

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...

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...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46044)

In the Linux kernel, the following vulnerability has been resolved: ipmi:ssif: Clean up kthread on errors If an error occurs after the ssif kthread is created, but before the main IPMI code starts the ssif interface, the ssif kthread will not be stopped. So make sure the kthread is stopped on an...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43074)

In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, epfree in eventpoll.c will kfree the epi-ep eventpoll struct while it still being used by another concurrent thread. Defer the kfree to an RCU...

Siemens SIMATIC S7-1500 TM MFP Expired Pointer Dereference (CVE-2026-52923)

In the Linux kernel, the following vulnerability has been resolved: ipc: limit nextid allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids-nextid. ipcidralloc currently forwards that request to idralloc with an open-ended upper bound. If...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31711)

"In the Linux kernel, the following vulnerability has been resolved: smb: server: fix activenumconn leak on transport allocation failure Commit 77ffbcac4e56 'smb: server: fix leak of activenumconn in ksmbdtcpnewconnection' addressed the kthreadrun failure path. The earlier alloctransport == NULL...

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-2026-53198)

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...