Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31697)

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy ID to userspace if PSP command failed When retrieving the ID for the CPU, don't attempt to copy the ID blob to userspace if the firmware command failed. If the failure was due to an invalid...

Siemens SIMATIC S7-1500 TM MFP Plaintext Storage of a Password (CVE-2026-23303)

In the Linux kernel, the following vulnerability has been resolved: smb: client: Don't log plaintext credentials in cifssetcifscreds When debug logging is enabled, cifssetcifscreds logs the key payload and exposes the plaintext username and password. Remove the debug log to avoid exposing...

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-2026-53225)

"In the Linux kernel, the following vulnerability has been resolved: sctp: fix uninit-value in sctprcvasconflookup sctprcvasconflookup in net/sctp/input.c only checks that the ASCONF chunk can hold the ADDIP header and a parameter header, then calls af-fromaddrparam, which reads the full address ...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31698)

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy PDH cert to userspace if PSP command failed When retrieving the PDH cert, don't attempt to copy the blobs to userspace if the firmware command failed. If the failure was due to an invalid length...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-53221)

In the Linux kernel, the following vulnerability has been resolved: ip6vti: fix incorrect tunnel matching in vti6tnllookup In vti6tnllookup, when an exact match for a tunnel fails, the code falls back to searching for wildcard tunnels: - Tunnels matching the packet's local address, with any remot...

Siemens SIMATIC S7-1500 TM MFP Heap-based Buffer Overflow (CVE-2026-53362)

In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In ip6appenddata, when the paged-allocation branch is taken MSGMORE / NETIFFSG / large fraglen, alloclen and pagedlen are computed as alloclen = fragheaderlen + transhdrlen;...

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...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31685)

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6teui64: reject invalid MAC header for all packets eui64mt6 derives a modified EUI-64 from the Ethernet source address and compares it with the low 64 bits of the IPv6 source address. The existing guard only rejects ...

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 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-2026-23336)

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkillblock work in wiphyunregister There is a use-after-free error in cfg80211shutdownallinterfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211shutdownallinterfaces+0x213/0x220 Read of size ...

Siemens SIMATIC S7-1500 TM MFP Out-of-bounds Read (CVE-2026-23141)

In the Linux kernel, the following vulnerability has been resolved: btrfs: send: check for inline extents in rangeisholeinparent Before accessing the diskbytenr field of a file extent item we need to check if we are dealing with an inline extent. This is because for inline extents their data star...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31500)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: serialize btintelhwerror with hcireqsynclock btintelhwerror issues two hcicmdsync calls HCIOPRESET and Intel exception-info retrieval without holding hcireqsynclock. This lets it race against hcidevdoclose -...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31673)

In the Linux kernel, the following vulnerability has been resolved: afunix: read UNIXDIAGVFS data under unixstatelock Exact UNIX diag lookups hold a reference to the socket, but not to u-path. Meanwhile, unixreleasesock clears u-path under unixstatelock and drops the path reference after unlockin...

Siemens SIMATIC S7-1500 TM MFP Use After Free (CVE-2025-21700)

In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused for privilege escalation with the following script Step 1. create root qdisc tc qdisc add dev lo...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46122)

In the Linux kernel, the following vulnerability has been resolved: wifi: b43: enforce bounds check on firmware key index in b43rx The firmware-controlled key index in b43rx can exceed the dev-key array size 58 entries. The existing B43WARNON is non-enforcing in production builds, allowing an...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-31696)

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix missing validation of ticket length in non-XDR key preparsing In rxrpcpreparse, there are two paths for parsing key payloads: the XDR path for large payloads and the non-XDR path for payloads = 28 bytes. While the XDR...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46018)

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: stop parsing UAC2 rates at MAXNRRATES parseuac2sampleraterange caps the number of enumerated rates at MAXNRRATES, but it only breaks out of the current rate loop. A malformed UAC2 RANGE response with additional...

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...