Ubuntu: Security Advisory (USN-6396-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-6396-2 linux-kvm vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Daniel Moghimi discovered that some IntelR Processors...

Ubuntu: Security Advisory (USN-6386-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Zephyr Security Breach

Zephyr is an extensible real-time operating system RTOS open-sourced by the Zephyr Project. A security vulnerability exists in the Zephyr Bluetooth subsystem that stems from a buffer overflow issue...

USN-6397-1: Linux kernel (BlueField) vulnerabilities

Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. CVE-2022-40982 Ruihan Li discovered that the bluetooth subsystem ...

CVE-2023-4264 Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem

Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem...

PT-2023-28468 · Zephyr · Zephyr

Name of the Vulnerable Software and Affected Versions: Zephyr affected versions not specified Description: The issue concerns potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem. Recommendations: At the moment, there is no information about a newer version that contains a...

Ubuntu: Security Advisory (USN-6387-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-6347-1 linux-azure-fde-5.15 vulnerabilities

William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2022-4269 It was discovered that the NTFS file system...

CVE-2023-40283

A flaw was found in l2capsockrelease in net/bluetooth/l2capsock.c in the Bluetooth subsystem in the Linux Kernel. This issue may allow a user to cause a use-after-free problem due to sk's children being mishandled. Mitigation Mitigation for this issue is either not available or the currently...

UBUNTU-CVE-2023-40283

An issue was discovered in l2capsockrelease in net/bluetooth/l2capsock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled...

CVE-2023-21197

In btmaclprocessscacmplpkt of btmacl.cc, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions:...

USN-6173-1: Linux kernel (OEM) vulnerabilities

Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-31436 It was discovered that the...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.15.110 and fixes atleast the following security issues: A slab-out-of-bound read problem was found in brcmfgetassocies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c. This issue could occur when associnfo-reqlen data is bigger than t...

kernel: Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set

A vulnerability was found in the Linux kernel's Bluetooth subsystem in the hcicmdsyncqueue function. There was a missing check for whether the HCIUNREGISTER flag had been set, meaning that commands were still sent even as the Bluetooth device was being unregistered. This issue could lead to a...

Important: kernel

Issue Overview: A use-after-free flaw was found in vhostnetsetbackend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem. CVE-2023-1838...

USN-6033-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

K25511825: Linux kernel vulnerabilities CVE-2021-3564, CVE-2021-3573, and CVE-2021-3752

Security Advisory Description CVE-2021-3564 A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kerne...

SUSE CVE-2011-2492

The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel memory via a crafted getsockopt system call, related to 1 the l2capsockgetsockoptold function in...

SUSE CVE-2015-2686

net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for 1 sendto and 2 recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copyfromiter function in the ioviter interface, as demonstrated by the Bluetooth...