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-2026-64215

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/...

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...

Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Input Validation (CVE-2025-39782)

In the Linux kernel, the following vulnerability has been resolved: jbd2: prevent softlockup in jbd2logdocheckpoint Both jbd2logdocheckpoint and jbd2journalshrinkcheckpointlist periodically release jlistlock after processing a batch of buffers to avoid long hold times on the jlistlock. However,...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs CVE-2026-64531 In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600...

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...

CVE-2026-64230

In the Linux kernel, the following vulnerability has been resolved: regulator: tps65219: fix irqdata.rdev not being assigned Commit 64a6b577490c "regulator: tps65219: Remove debugging helper function" removed the tps65219getrdevbyname helper along with the irqdata.rdev assignment that depended on...

CVE-2026-64221

In the Linux kernel, the following vulnerability has been resolved: spi: ti-qspi: fix use-after-free after DMA setup failure The driver falls back to PIO mode if DMA setup fails during probe. Make sure to clear the DMA channel pointer also if buffer allocation fails to avoid passing a pointer to...

CVE-2026-64218

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: fix reportwork leak on backbonegw purge batadvblapurgebackbonegw removes stale backbone gateway entries, but fails to properly handle their associated reportwork: - If reportwork is running, the purge must wait f...

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...

CVE-2026-64527

In the Linux kernel, the following vulnerability has been resolved: drm/hyperv: validate VMBus packet size in receive callback hypervreceivesub reads msg-vidhdr.type and dispatches into one of four message-type branches without knowing how many bytes the host wrote into hv-recvbuf. The completion...

CVE-2026-64528

In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsung: Remove redundant port lock acquisition in rx helpers Sashiko identified a deadlock when the console flow is engaged 1. When console flow control is enabled UPFCONSFLOW, s3c24xxserialstoptx calls...

CVE-2026-64216

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential UAF in netfsunlockabandonedreadpages netfsunlockabandonedreadpagesrreq accesses the index of the folios it is wanting to unlock and compares that to rreq-nounlockfolio so that it doesn't unlock a folio being...

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...

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...

CVE-2026-64521

In the Linux kernel, the following vulnerability has been resolved: pinctrl: meson: amlogic-a4: fix deadlock issue Accessing the pinconf-pins sysfs node may deadlock. pinconfpinsshow holds pctldev-mutex, and the platform driver calls pinctrlfindgpiorangefrompin, which tries to acquire the same...

PT-2026-65222

In the Linux kernel, the following vulnerability has been resolved: net: usb: net1080: validate packet len before pad-byte access in rx fixup For an even packet len, net1080 rx fixup reads the pad byte at skb-datapacket len before the skb-len != packet len check further down, and packet len is on...

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...

UBUNTU-CVE-2026-64223

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: consume only present negotiated TTLM maps ieee80211tidtolinkmapsizeok validates negotiated TTLM elements against the number of link-map entries indicated by linkmappresence. ieee80211parsenegttlm must consume the...

UBUNTU-CVE-2026-64526

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsconfig: fix missing ethnlopscomplete tsconfigpreparedata calls ethnlopsbegin, we need to call ethnlopscomplete before returning the error...