Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46083)

In the Linux kernel, the following vulnerability has been resolved: spi: fix resource leaks on device setup failure Make sure to call controller cleanup if spisetup fails while registering a device to avoid leaking any resources allocated by setup. This plugin only works with Tenable.ot. Please...

Siemens SIMATIC S7-1500 TM MFP Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2025-21738)

In the Linux kernel, the following vulnerability has been resolved: ata: libata-sff: Ensure that we cannot write outside the allocated buffer reveliofuzzing reported that a SCSIIOCTLSENDCOMMAND ioctl with outlen set to 0xd42, SCSI command set to ATA16 PASS-THROUGH, ATA command set to ATANOP, and...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46191)

In the Linux kernel, the following vulnerability has been resolved: fbcon: Avoid OOB font access if console rotation fails Clear the font buffer if the reallocation during console rotation fails in fbconrotatefont. The putcs implementations for the rotated buffer will return early in this case. S...

Siemens SIMATIC S7-1500 TM MFP NULL Pointer Dereference (CVE-2025-21790)

In the Linux kernel, the following vulnerability has been resolved: vxlan: check vxlanvnigroupinit return value vxlaninit must check vxlanvnigroupinit success otherwise a crash happens later, spotted by syzbot. Oops: general protection fault, probably for non-canonical address 0xdffffc000000002c:...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31612)

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate EaNameLength in smb2getea smb2getea reads eareq-EaNameLength from the client request and passes it directly to strncmp as the comparison length without verifying that the length of the name really is the size of t...

Siemens SIMATIC S7-1500 TM MFP Out-of-bounds Write (CVE-2026-46195)

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building DACL pointers parsesecdesc, buildsecdesc, and the chown path in idmodetocifsacl all add the server-supplied dacloffset to pntsd before proving a DACL header fits inside the returne...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53147)

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Validate XDomain request packet size before type cast tbxdphandlerequest casts the received packet buffer to protocol-specific structs without verifying that the allocation is large enough for the target type. A peer...

Siemens SIMATIC S7-1500 TM MFP Multiple Locks of a Critical Resource (CVE-2026-23292)

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fix recursive locking in configfsopenfile In flushwritebuffer, &p-fragsem is acquired and then the loaded store function is called, which, here, is targetcoreitemdbrootstore. This function called filpopen, following...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45991)

In the Linux kernel, the following vulnerability has been resolved: udf: fix partition descriptor append bookkeeping Mounting a crafted UDF image with repeated partition descriptors can trigger a heap out-of-bounds write in partdescsloc. handlepartitiondescriptor deduplicates entries by partition...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31708)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB read in smb2ioctlqueryinfo QUERYINFO path smb2ioctlqueryinfo has two response-copy branches: PASSTHRUFSCTL and the default QUERYINFO path. The QUERYINFO branch clamps qi.inputbufferlength to the server-report...

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...

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-2026-23302)

In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk-skdataready,writespace skmsg and probably other layers are changing these pointers while other cpus might read them concurrently. Add corresponding READONCE/WRITEONCE annotations for UDP, TCP an...

Linux kernel Heap Buffer Overflow DoS

The vulnerability of the function rvuafdlnixmaxlfvalidate in the driver/net/ethernet/marvell/octeontx2/af/rvudevlink.c component of the Linux kernel is related to the improper implementation of thread management. Exploiting this vulnerability could allow an attacker to compromise the...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46167)

In the Linux kernel, the following vulnerability has been resolved: usb: usblp: fix uninitialized heap leak via LPGETSTATUS ioctl Just like in a previous problem in this driver, usblpctrlmsg will collapse the usbcontrolmsg return value to 0/-errno, discarding the actual number of bytes transferre...

Linux kernel Heap Buffer Overflow DoS

The vulnerability of the geminitone function in the drivers/net/ethernet/sun/sungem.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, and accessibili...

Linux kernel create_midi2_endpoint() Data Compromise

The vulnerability of the createmidi2endpoint function in the sound/usb/midi2.c component 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, and accessibility of the...

Linux kernel Heap Buffer Overflow DoS

The vulnerability of the ieee802154hdrgetaddr function in the net/ieee802154/headerops.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 and accessibility of the...

Linux Kernel Heap Buffer Overflow DoS

The vulnerability of the ocfs2readblocks function in the fs/ocfs2/bufferheadio.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...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46107)

In the Linux kernel, the following vulnerability has been resolved: dm-thin: fix metadata refcount underflow There's a bug in dm-thin in the function rebalancechildren. If the internal btree node has one entry, the code tries to copy all btree entries from the node's child to the node itself and...