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-2026-31629)

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...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2024-56657)

In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Avoid WARN for symlink errors Using WARN for showing the error of symlink creations don't give more information than telling that something goes wrong, since the usual code path is a lregister callback from each...

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 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 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-2026-53263)

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 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-2026-46124)

In the Linux kernel, the following vulnerability has been resolved: isofs: validate block number from NFS file handle in isofsexportiget isofsfhtodentry and isofsfhtoparent pass an attacker- controlled block number ifid-block or ifid-parentblock from the NFS file handle to isofsexportiget, which...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43350)

In the Linux kernel, the following vulnerability has been resolved: smb: client: require a full NFS mode SID before reading mode bits parsedacl treats an ACE SID matching sidunixNFSmode as an NFS mode SID and reads sid.subauth2 to recover the mode bits. That assumes the ACE carries three...

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-2026-45840)

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-2026-23272)

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-2026-46165)

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...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-52947)

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtrportremove In qrtrportremove, the socket reference count is decremented via sockput before the port is removed from the qrtrports XArray and before the RCU grace period...

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-2026-46146)

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-2025-38584)

In the Linux kernel, the following vulnerability has been resolved: padata: Fix pd UAF once and for all There is a race condition/UAF in padatareorder that goes back to the initial commit. A reference count is taken at the start of the process in padatadoparallel, and released at the end in...