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-5.10 Extra. Visit this page to learn more about Amazon...

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 AL2 Core repository. Visit this FAQ section for the difference...

UBUNTU-CVE-2026-64237

In the Linux kernel, the following vulnerability has been resolved: Input: elani2c - validate firmware size before use Ensure that the firmware file is large enough to contain the expected number of pages and the signature which resides at the end of the firmware blob before accessing them to...

UBUNTU-CVE-2026-64238

In the Linux kernel, the following vulnerability has been resolved: gpio: shared: fix deadlock on shared proxy's parent removal Commit 710abda58055 "gpio: shared: call gpiochip::ofxlate if set" used the mutex embedded in struct gpiosharedentry to protect the offset field which now can be modified...

PT-2026-65217

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in accept untracked na accept untracked na re-fetches the inet6 dev with in6 dev getdev and dereferences idev-cnf.accept untracked na without a NULL check, even though its only caller ndisc recv na...

UBUNTU-CVE-2026-64234

In the Linux kernel, the following vulnerability has been resolved: tty: serial: pchuart: add check for dmaalloccoherent Add a check for dmaalloccoherent failure to prevent a potential NULL pointer dereference in dmahandlerx. Properly release DMA channels and the PCI device reference using a goto...

CVE-2026-64232

In the Linux kernel, the following vulnerability has been resolved: block: recompute nrintegritysegments in blkinsertclonedrequest blkinsertclonedrequest already recomputes nrphyssegments against the bottom queue, because "the queue settings related to segment counting may differ from the origina...

UBUNTU-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...

Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Update of Reference Count (CVE-2025-38732)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfreject: don't leak dst refcount for loopback packets recent patches to add a WARN when replacing skb dst entry found an old bug: WARNING: include/linux/skbuff.h:1165 skbdstcheckunset include/linux/skbuff.h:1164 inlin...

Linux Distros Unpatched Vulnerability : CVE-2026-64555

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: nv: Fix SPSREL2 restore in kvmhyphandlemops kvmhyphandlemops resets the single-step state machine as part of rewinding state for a MOPS exception by...

Siemens SIMATIC S7-1500 CPU 1518 MFP Resource Leak (CVE-2025-40300)

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

Siemens SIMATIC S7-1500 CPU 1518 MFP NULL Pointer Dereference (CVE-2025-23143)

"In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIF...

Linux Distros Unpatched Vulnerability : CVE-2026-64247

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: x86: hyper-v: Bound the bank index when querying sparse banks When checking if a VP ID is included in a sparse bank set, explicitly check that the ID can...

Linux Distros Unpatched Vulnerability : CVE-2026-64214

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - powerpc/time: Remove redundant preemptdisable|enable calls from archirqworkraise A kernel panic is observed when handling machine check exceptions from real mod...

The vulnerability of the mgmt_index_removed() function in the net/bluetooth/mgmt.c module of the Linux kernel’s Bluetooth subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the mgmtindexremoved function in the net/bluetooth/mgmt.c module of the Linux kernel’s Bluetooth subsystem is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the tcf_connmark_dump() function in the net/sched/act_connmark.c module of the network/sched subsystem of the Linux operating system allows a attacker to access protected information or cause service failures.

The vulnerability of the tcfconnmarkdump function in the net/sched/actconnmark.c module of the net/sched/actconnmark subsystem of the Linux operating system is related to the use of an uninitialized resource. Exploiting this vulnerability could allow an attacker to access protected information or...

The vulnerability of the btusb_disconnect() function in the drivers/bluetooth/btusb.c module of the Linux Bluetooth device driver allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the btusbdisconnect function in the drivers/bluetooth/btusb.c module of the Linux Bluetooth device driver framework is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity,...

Linux Distros Unpatched Vulnerability : CVE-2026-64223

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: wifi: mac80211: consume only present negotiated TTLM maps ieee80211tidtolinkmapsizeok...

UBUNTU-CVE-2026-64222

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: avoid double free of pool-stack on AQ init failure otx2poolaqinit frees pool-stack when mailbox sync or retry allocation fails, but leaves the pointer unchanged. Later, otx2sqaurapoolinit unwinds the partial setup...

UBUNTU-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...