Siemens SIMATIC S7-1500 TM MFP Out-of-bounds Write (CVE-2026-46331)

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcfpeditact computes the COW range for skbensurewritable once before the key loop using tcfpoffmaxhint, but the hint does not account for the runtime header offset...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46110)

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Prevent NULL deref when RX memory exhausted The CPU receives frames from the MAC through conventional DMA: the CPU allocates buffers for the MAC, then the MAC fills them and returns ownership to the CPU. For each...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46064)

In the Linux kernel, the following vulnerability has been resolved: ibmasm: fix heap over-read in ibmasmsendi2omessage The ibmasmsendi2omessage function uses getdotcommandsize to compute the byte count for memcpytoio, but this value is derived from user-controlled fields in the dotcommandheader...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53149)

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Bound root directory content to block size tbpropertyparsedir does not check that contentoffset + contentlen fits within blocklen for the root directory case. When rootdir-length equals or exceeds blocklen - 2, the...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43111)

In the Linux kernel, the following vulnerability has been resolved: HID: roccat: fix use-after-free in roccatreportevent roccatreportevent iterates over the device-readers list without holding the readerslock. This allows a concurrent roccatrelease to remove and free a reader while it's still bei...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45839)

In the Linux kernel, the following vulnerability has been resolved: bpf: reject negative CO-RE accessor indices in bpfcoreparsespec CO-RE accessor strings are colon-separated indices that describe a path from a root BTF type to a target field, e.g. '0:1:2' walks through nested struct members...

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-2026-53168)

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 Incorrect Synchronization (CVE-2026-23281)

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

Siemens SIMATIC S7-1500 TM MFP NULL Pointer Dereference (CVE-2025-21779)

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Reject Hyper-V's SENDIPI hypercalls if local APIC isn't in-kernel Advertise support for Hyper-V's SENDIPI and SENDIPIEX hypercalls if and only if the local API is emulated/virtualized by KVM, and explicitly reject said...

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-2026-53167)

In the Linux kernel, the following vulnerability has been resolved: fuse: limit FUSENOTIFYRETRIEVE to uptodate folios FUSENOTIFYRETRIEVE must be limited to uptodate folios; !uptodate folios can contain uninitialized data. Since FUSENOTIFYRETRIEVE is intended to only return data that is already in...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-23272)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unconditionally bump set-nelems before insertion In case that the set is full, a new element gets published then removed without waiting for the RCU grace period, while RCU reader can be walking over it...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31583)

In the Linux kernel, the following vulnerability has been resolved: media: em28xx: fix use-after-free in em28xxv4l2open em28xxv4l2open reads dev-v4l2 without holding dev-lock, creating a race with em28xxv4l2init's error path and em28xxv4l2fini, both of which free the em28xxv4l2 struct and set...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45840)

In the Linux kernel, the following vulnerability has been resolved: openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... but serialize the full upcall PID array via ovsvportgetupcallportids...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46159)

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix btrfsioctlspaceinfo slotcount TOCTOU which can lead to info-leak btrfsioctlspaceinfo has a TOCTOU race between two passes over the block group RAID type lists. The first pass counts entries to determine the allocation...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53263)

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses &data1 as destination and &ipaddr-s6addr11 as source, but both should be offset by one: &data2 and...

Siemens SIMATIC S7-1500 TM MFP Missing Release of Resource after Effective Lifetime (CVE-2025-68239)

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: restore write access before closing files opened by openexec bmregisterwrite opens an executable file using openexec, which internally calls doopenexecat and denies write access on the file to avoid modification while...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31629)

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: add missing return after LLCPCLOSED checks In nfcllcprecvhdlc and nfcllcprecvdisc, when the socket state is LLCPCLOSED, the code correctly calls releasesock and nfcllcpsockput but fails to return. Execution falls throu...