USN-7875-1: Linux kernel (Oracle) vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

bpf: fix potential 32-bit overflow when accessing ARRAY map element

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PT-2025-52757

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists within the veth module when handling XDP eXpress Data Path with no direct return frames. Specifically, the issue arises from concurrent calls to veth pool in...

PT-2025-49094

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's be2net component where the be insert vlan in pkt function is called with a NULL wrb params argument at the be send pkt to bmc call site. This can lead...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 Azure kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-38008: mm/pagealloc: fix race condition in unaccepted memory handling bsc1244939. CVE-2025-38539: trace/fgraph: Fix the warning caused by missing unregister...

kernel: net: usb: smsc75xx: Limit packet length to skb->len

In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Limit packet length to skb-len Packet length retrieved from skb data may be larger than the actual socket buffer length up to 9026 bytes. In such case the cloned skb passed up the network stack will leak kerne...

Oracle Linux 8 : kernel (ELSA-2025-21398)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-21398 advisory. - vsock/virtio: Validate length in packet header before skbput Jon Maloy RHEL-114296 CVE-2025-39718 Tenable has extracted the preceding description block...

Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-50083)

tcp: vulnerability in may cause DSS corruption due to large PMTU transmissions, which is fixed by addressing the issue in the mptcpmoveskbsfromsubflow function. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 809...

Siemens SIPROTEC 5 Allocation of Resources Without Limits or Throttling (CVE-2025-40570)

Affected devices do not properly limit the bandwidth for incoming network packets over their local USB port. This could allow an attacker with physical access to send specially crafted packets with high bandwidth to the affected devices thus forcing them to exhaust their memory and stop respondin...

kernel: vsock/virtio: Validate length in packet header before skb_put()

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Validate length in packet header before skbput When receiving a vsock packet in the guest, only the virtqueue buffer size is validated prior to virtiovsockskbrxput. Unfortunately, virtiovsockskbrxput uses the length...

kernel: vsock/virtio: Validate length in packet header before skb_put()

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Validate length in packet header before skbput When receiving a vsock packet in the guest, only the virtqueue buffer size is validated prior to virtiovsockskbrxput. Unfortunately, virtiovsockskbrxput uses the length...

ALSA-2025:21397 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: vsock/virtio: Validate length in packet header before skbput CVE-2025-39718 For more details about the security issues, including...

ALSA-2025:21398 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: vsock/virtio: Validate length in packet header before skbput CVE-2025-39718 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: vsock/virtio: Validate length in packet header before skbput CVE-2025-39718 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

PT-2025-53008

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw where an invalid memory access can occur following fault injection in the update effective progs function. This issue arises when fault injection causes...

net: usb: lan78xx: Limit packet length to skb->len

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SUSE CVE-2025-40143

In the Linux kernel, the following vulnerability has been resolved: bpf: dont report verifier bug for missing bpfsccvisit on speculative path Syzbot generated a program that triggers a verifierbug call in maybeexitscc. maybeexitscc assumes that, when called for a state with insnidx in some SCC,...

SUSE CVE-2025-40151

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: No support of struct argument in trampoline programs The current implementation does not support struct argument. This causes a oops when running bpf selftest: $ ./testprogs -a tracingstruct Oops1: CPU -1 Unable t...

SUSE CVE-2025-40169

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative offsets for ALU ops When verifying BPF programs, the checkaluop function validates instructions with ALU operations. The 'offset' field in these instructions is a signed 16-bit integer. The existing check...

Linux bpf_exec_tx_verdict Heap Buffer Overflow DoS

The vulnerability of the bpfexectxverdict function in the Linux operating system’s bpf component is related to improper cleaning or release of resources. Exploiting this vulnerability can allow an attacker to cause a service failure...