Siemens SIMATIC S7-1500 CPU 1518 MFP Divide By Zero (CVE-2025-39681)

In the Linux kernel, the following vulnerability has been resolved: x86/cpu/hygon: Add missing resctrlcpudetect in bspinit helper Since 923f3a2b48bd x86/resctrl: Query LLC monitoring properties once during boot resctrlcpudetect has been moved from common CPU initialization code to the...

Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Input Validation (CVE-2025-39827)

In the Linux kernel, the following vulnerability has been resolved: net: rose: include node references in roseneigh refcount Current implementation maintains two separate reference counting mechanisms: the 'count' field in struct roseneigh tracks references from rosenode structures, while the 'us...

Linux Distros Unpatched Vulnerability : CVE-2026-64235

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: x86/ftrace: Relocate %rip-relative percpu refs in dynamic trampolines With...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.4 Extra. Visit this page to learn more about Amazon...

PT-2026-65223

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: reject overflowing copy + len in bpf msg push data When the scatterlist ring is full or nearly full, bpf msg push data enters a copy fallback path and computes copy + len for the page allocation size. Since len come...

PT-2026-65220

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdp master redirect xdp master redirect dereferences the result of netdev master upper dev get rcu without a NULL check, but that helper returns NULL when the receiving device has no upper-maste...

PT-2026-65216

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix UAF in smc cdc rx handler by pinning the socket smc cdc rx handler looks up the connection by token under the link group's conns lock, drops the lock, and then dereferences conn and the smc sock derived from it, endi...

UBUNTU-CVE-2026-64520

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Bound PARTITIONINFOGETREGS copies The register-based PARTITIONINFOGET path trusted the firmware-provided indices when copying partition descriptors into the caller buffer. Reject inconsistent counts or index...

CVE-2026-64523

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Take a long-lived file reference at submit handshakenlacceptdoit needs the file pointer backing req-hrsk-sksocket to survive the window between handshakereqnext and the subsequent FDPREPARE and getfile. The...

UBUNTU-CVE-2026-64515

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix MLE defragmentation If either reconf or EPCS multi-link element MLE is contained in a non-transmitted profile, the defragmentation routine is called with a pointer to the defragmented copy, but the original...

UBUNTU-CVE-2026-64215

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: Check kzalloc return in a8xxhfisendperftable Check the return value of kzalloc to prevent a NULL pointer dereference on allocation failure. Patchwork: https://patchwork.freedesktop.org/patch/721342/...

UBUNTU-CVE-2026-64517

In the Linux kernel, the following vulnerability has been resolved: drm/xe/gsc: Fix double-free of managed BO in error path The error path in xegscinitposthwconfig explicitly frees a BO allocated with xemanagedbocreatepinmap via xebounpinmapnovm. Since the managed BO already has a devm cleanup...

UBUNTU-CVE-2026-64211

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

UBUNTU-CVE-2026-64219

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Validate payload length and linkindex in dcprocessdmubauxtransferasync Why&How dcprocessdmubauxtransferasync copies payload-length bytes into a 16-byte stack buffer dpaux.data16 guarded only by an ASSERT, which i...

UBUNTU-CVE-2026-64524

In the Linux kernel, the following vulnerability has been resolved: drm/hyperv: validate resolutioncount and fix WIN8 fallback A SYNTHVIDRESOLUTIONRESPONSE with resolutioncount 64 walks past the supportedresolutionSYNTHVIDMAXRESOLUTIONCOUNT array in the parse loop. Bound resolutioncount against t...

UBUNTU-CVE-2026-64212

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it In iwlmldremovelink, the link-fwid is saved at the beginning of the function so we have it after we freed the link. But the link pointer can be NULL, and is...

UBUNTU-CVE-2026-64224

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: fix double free in rvureprsrcinit rvureprsrcinit allocates queue memory before calling otx2inithwresources. When hardware resource setup fails, otx2inithwresources already unwinds the partially initialized SQ, CQ, a...

UBUNTU-CVE-2026-64518

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix out-of-bounds access for twsk in tcpaoestablishedkey. lockdepsockisheld was added in tcpaoestablishedkey by the cited commit. It can be called from tcpv46timewaitack with twsk. Since it does not have sk-sklock, the lockd...

UBUNTU-CVE-2026-64235

In the Linux kernel, the following vulnerability has been resolved: x86/ftrace: Relocate %rip-relative percpu refs in dynamic trampolines With CONFIGCALLDEPTHTRACKING enabled on an x86 retbleed-affected platform eg: Skylake, with retbleed=stuff, registering a dynamic ftrace trampoline crashes on...

UBUNTU-CVE-2026-64522

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix eswitch mode block underflow on IPsec acquire SA mlx5exfrmaddstate handles acquire-flow temporary SAs by allocating software state and skipping hardware offload setup. That path jumps to the common success label...