<?xml version='1.0' encoding='UTF-8'?>
<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0"><channel><title>Ubuntu security notices</title><link>https://ubuntu.com/security/notices/rss.xml</link><description>Recent content on Ubuntu security notices</description><atom:link href="https://ubuntu.com/security/notices/rss.xml" rel="self"/><copyright>2024 Canonical Ltd. Ubuntu and Canonical are registered trademarks of Canonical Ltd.</copyright><docs>http://www.rssboard.org/rss-specification</docs><generator>Feedgen</generator><lastBuildDate>Mon, 20 May 2024 16:07:25 +0000</lastBuildDate><item><title>USN-6777-2: Linux kernel (Azure) vulnerabilities</title><link>https://ubuntu.com/security/notices/USN-6777-2</link><description>Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux
kernel contained a race condition during device removal, leading to a use-
after-free vulnerability. A physically proximate attacker could possibly
use this to cause a denial of service (system crash). (CVE-2023-47233)

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
  - Block layer subsystem;
  - Userspace I/O drivers;
  - Ceph distributed file system;
  - Ext4 file system;
  - JFS file system;
  - NILFS2 file system;
  - Bluetooth subsystem;
  - Networking core;
  - IPv4 networking;
  - IPv6 networking;
  - Logical Link layer;
  - MAC80211 subsystem;
  - Netlink;
  - NFC subsystem;
  - Tomoyo security module;
(CVE-2023-52524, CVE-2023-52530, CVE-2023-52601, CVE-2023-52439,
CVE-2024-26635, CVE-2023-52602, CVE-2024-26614, CVE-2024-26704,
CVE-2023-52604, CVE-2023-52566, CVE-2021-46981, CVE-2024-26622,
CVE-2024-26735, CVE-2024-26805, CVE-2024-26801, CVE-2023-52583)
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6777-2</guid><pubDate>Mon, 20 May 2024 13:33:23 +0000</pubDate></item><item><title>USN-6766-3: Linux kernel (AWS) vulnerabilities</title><link>https://ubuntu.com/security/notices/USN-6766-3</link><description>It was discovered that the Open vSwitch implementation in the Linux kernel
could overflow its stack during recursive action operations under certain
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2024-1151)

Sander Wiebing, Alvise de Faveri Tron, Herbert Bos, and Cristiano Giuffrida
discovered that the Linux kernel mitigations for the initial Branch History
Injection vulnerability (CVE-2022-0001) were insufficient for Intel
processors. A local attacker could potentially use this to expose sensitive
information. (CVE-2024-2201)

Chenyuan Yang discovered that the RDS Protocol implementation in the Linux
kernel contained an out-of-bounds read vulnerability. An attacker could use
this to possibly cause a denial of service (system crash). (CVE-2024-23849)

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
  - PowerPC architecture;
  - S390 architecture;
  - Core kernel;
  - Block layer subsystem;
  - Android drivers;
  - Power management core;
  - Bus devices;
  - Hardware random number generator core;
  - Cryptographic API;
  - Device frequency;
  - DMA engine subsystem;
  - ARM SCMI message protocol;
  - GPU drivers;
  - HID subsystem;
  - Hardware monitoring drivers;
  - I2C subsystem;
  - IIO ADC drivers;
  - IIO subsystem;
  - IIO Magnetometer sensors drivers;
  - InfiniBand drivers;
  - Media drivers;
  - Network drivers;
  - PCI driver for MicroSemi Switchtec;
  - PHY drivers;
  - SCSI drivers;
  - DesignWare USB3 driver;
  - BTRFS file system;
  - Ceph distributed file system;
  - Ext4 file system;
  - F2FS file system;
  - JFS file system;
  - NILFS2 file system;
  - NTFS3 file system;
  - Pstore file system;
  - SMB network file system;
  - Memory management;
  - CAN network layer;
  - Networking core;
  - HSR network protocol;
  - IPv4 networking;
  - IPv6 networking;
  - Logical Link layer;
  - Multipath TCP;
  - Netfilter;
  - NFC subsystem;
  - SMC sockets;
  - Sun RPC protocol;
  - TIPC protocol;
  - Unix domain sockets;
  - Realtek audio codecs;
(CVE-2023-52594, CVE-2023-52601, CVE-2024-26826, CVE-2023-52622,
CVE-2024-26665, CVE-2023-52493, CVE-2023-52633, CVE-2024-26684,
CVE-2024-26663, CVE-2023-52618, CVE-2023-52588, CVE-2023-52637,
CVE-2024-26825, CVE-2023-52606, CVE-2024-26594, CVE-2024-26625,
CVE-2024-26720, CVE-2024-26614, CVE-2023-52627, CVE-2023-52602,
CVE-2024-26673, CVE-2024-26685, CVE-2023-52638, CVE-2023-52498,
CVE-2023-52619, CVE-2024-26910, CVE-2024-26689, CVE-2023-52583,
CVE-2024-26676, CVE-2024-26671, CVE-2024-26704, CVE-2024-26608,
CVE-2024-26610, CVE-2024-26592, CVE-2023-52599, CVE-2023-52595,
CVE-2024-26660, CVE-2023-52617, CVE-2024-26645, CVE-2023-52486,
CVE-2023-52631, CVE-2023-52607, CVE-2023-52608, CVE-2024-26722,
CVE-2024-26615, CVE-2023-52615, CVE-2024-26636, CVE-2023-52642,
CVE-2023-52587, CVE-2024-26712, CVE-2024-26675, CVE-2023-52614,
CVE-2024-26606, CVE-2024-26916, CVE-2024-26600, CVE-2024-26679,
CVE-2024-26829, CVE-2024-26641, CVE-2023-52623, CVE-2024-26627,
CVE-2024-26696, CVE-2024-26640, CVE-2024-26635, CVE-2023-52491,
CVE-2024-26664, CVE-2024-26602, CVE-2023-52604, CVE-2024-26717,
CVE-2023-52643, CVE-2024-26593, CVE-2023-52598, CVE-2024-26668,
CVE-2023-52435, CVE-2023-52597, CVE-2024-26715, CVE-2024-26707,
CVE-2023-52635, CVE-2024-26695, CVE-2024-26698, CVE-2023-52494,
CVE-2024-26920, CVE-2024-26808, CVE-2023-52616, CVE-2023-52492,
CVE-2024-26702, CVE-2024-26644, CVE-2023-52489, CVE-2024-26697)
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6766-3</guid><pubDate>Mon, 20 May 2024 13:05:13 +0000</pubDate></item><item><title>USN-6778-1: Linux kernel vulnerabilities</title><link>https://ubuntu.com/security/notices/USN-6778-1</link><description>Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux
kernel contained a race condition during device removal, leading to a use-
after-free vulnerability. A physically proximate attacker could possibly
use this to cause a denial of service (system crash). (CVE-2023-47233)

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
  - Ext4 file system;
  - JFS file system;
  - NILFS2 file system;
  - Core kernel;
  - Bluetooth subsystem;
  - Networking core;
  - IPv4 networking;
  - Logical Link layer;
  - MAC80211 subsystem;
  - Netlink;
  - NFC subsystem;
  - Tomoyo security module;
(CVE-2023-52601, CVE-2024-26622, CVE-2024-26805, CVE-2024-26635,
CVE-2023-52602, CVE-2024-26801, CVE-2023-52566, CVE-2024-26704,
CVE-2021-46939, CVE-2024-26614, CVE-2023-52604, CVE-2023-52530,
CVE-2023-52524)
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6778-1</guid><pubDate>Thu, 16 May 2024 17:41:52 +0000</pubDate></item><item><title>USN-6777-1: Linux kernel vulnerabilities</title><link>https://ubuntu.com/security/notices/USN-6777-1</link><description>Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux
kernel contained a race condition during device removal, leading to a use-
after-free vulnerability. A physically proximate attacker could possibly
use this to cause a denial of service (system crash). (CVE-2023-47233)

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
  - Block layer subsystem;
  - Userspace I/O drivers;
  - Ceph distributed file system;
  - Ext4 file system;
  - JFS file system;
  - NILFS2 file system;
  - Bluetooth subsystem;
  - Networking core;
  - IPv4 networking;
  - IPv6 networking;
  - Logical Link layer;
  - MAC80211 subsystem;
  - Netlink;
  - NFC subsystem;
  - Tomoyo security module;
(CVE-2023-52524, CVE-2023-52530, CVE-2023-52601, CVE-2023-52439,
CVE-2024-26635, CVE-2023-52602, CVE-2024-26614, CVE-2024-26704,
CVE-2023-52604, CVE-2023-52566, CVE-2021-46981, CVE-2024-26622,
CVE-2024-26735, CVE-2024-26805, CVE-2024-26801, CVE-2023-52583)
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6777-1</guid><pubDate>Thu, 16 May 2024 17:16:03 +0000</pubDate></item><item><title>USN-6776-1: Linux kernel vulnerabilities</title><link>https://ubuntu.com/security/notices/USN-6776-1</link><description>Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux
kernel contained a race condition during device removal, leading to a use-
after-free vulnerability. A physically proximate attacker could possibly
use this to cause a denial of service (system crash). (CVE-2023-47233)

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
  - Networking core;
  - IPv4 networking;
  - MAC80211 subsystem;
  - Tomoyo security module;
(CVE-2024-26614, CVE-2023-52530, CVE-2024-26622)
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6776-1</guid><pubDate>Thu, 16 May 2024 16:47:34 +0000</pubDate></item><item><title>USN-6775-1: Linux kernel vulnerabilities</title><link>https://ubuntu.com/security/notices/USN-6775-1</link><description>Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux
kernel contained a race condition during device removal, leading to a use-
after-free vulnerability. A physically proximate attacker could possibly
use this to cause a denial of service (system crash). (CVE-2023-47233)

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
  - MAC80211 subsystem;
  - Tomoyo security module;
(CVE-2024-26622, CVE-2023-52530)
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6775-1</guid><pubDate>Thu, 16 May 2024 15:39:35 +0000</pubDate></item><item><title>USN-6774-1: Linux kernel vulnerabilities</title><link>https://ubuntu.com/security/notices/USN-6774-1</link><description>Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux
kernel contained a race condition during device removal, leading to a use-
after-free vulnerability. A physically proximate attacker could possibly
use this to cause a denial of service (system crash). (CVE-2023-47233)

Sander Wiebing, Alvise de Faveri Tron, Herbert Bos, and Cristiano Giuffrida
discovered that the Linux kernel mitigations for the initial Branch History
Injection vulnerability (CVE-2022-0001) were insufficient for Intel
processors. A local attacker could potentially use this to expose sensitive
information. (CVE-2024-2201)

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
  - Hardware random number generator core;
  - Ext4 file system;
  - JFS file system;
  - Bluetooth subsystem;
  - Networking core;
  - IPv4 networking;
  - Logical Link layer;
  - Netlink;
  - Tomoyo security module;
(CVE-2024-26704, CVE-2023-52615, CVE-2024-26805, CVE-2023-52604,
CVE-2024-26614, CVE-2023-52602, CVE-2024-26635, CVE-2024-26622,
CVE-2023-52601, CVE-2024-26801)
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6774-1</guid><pubDate>Thu, 16 May 2024 14:27:39 +0000</pubDate></item><item><title>USN-6773-1: .NET vulnerabilities</title><link>https://ubuntu.com/security/notices/USN-6773-1</link><description>It was discovered that .NET did not properly handle memory in it's
Double Parse routine. An attacker could possibly use this issue to
achieve remote code execution. (CVE-2024-30045)

It was discovered that .NET did not properly handle the usage of a
shared resource. An attacker could possibly use this to cause a dead-lock 
condition, resulting in a denial of service. (CVE-2024-30046)
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6773-1</guid><pubDate>Thu, 16 May 2024 13:40:01 +0000</pubDate></item><item><title>USN-6766-2: Linux kernel vulnerabilities</title><link>https://ubuntu.com/security/notices/USN-6766-2</link><description>It was discovered that the Open vSwitch implementation in the Linux kernel
could overflow its stack during recursive action operations under certain
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2024-1151)

Sander Wiebing, Alvise de Faveri Tron, Herbert Bos, and Cristiano Giuffrida
discovered that the Linux kernel mitigations for the initial Branch History
Injection vulnerability (CVE-2022-0001) were insufficient for Intel
processors. A local attacker could potentially use this to expose sensitive
information. (CVE-2024-2201)

Chenyuan Yang discovered that the RDS Protocol implementation in the Linux
kernel contained an out-of-bounds read vulnerability. An attacker could use
this to possibly cause a denial of service (system crash). (CVE-2024-23849)

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
  - PowerPC architecture;
  - S390 architecture;
  - Core kernel;
  - Block layer subsystem;
  - Android drivers;
  - Power management core;
  - Bus devices;
  - Hardware random number generator core;
  - Cryptographic API;
  - Device frequency;
  - DMA engine subsystem;
  - ARM SCMI message protocol;
  - GPU drivers;
  - HID subsystem;
  - Hardware monitoring drivers;
  - I2C subsystem;
  - IIO ADC drivers;
  - IIO subsystem;
  - IIO Magnetometer sensors drivers;
  - InfiniBand drivers;
  - Media drivers;
  - Network drivers;
  - PCI driver for MicroSemi Switchtec;
  - PHY drivers;
  - SCSI drivers;
  - DesignWare USB3 driver;
  - BTRFS file system;
  - Ceph distributed file system;
  - Ext4 file system;
  - F2FS file system;
  - JFS file system;
  - NILFS2 file system;
  - NTFS3 file system;
  - Pstore file system;
  - SMB network file system;
  - Memory management;
  - CAN network layer;
  - Networking core;
  - HSR network protocol;
  - IPv4 networking;
  - IPv6 networking;
  - Logical Link layer;
  - Multipath TCP;
  - Netfilter;
  - NFC subsystem;
  - SMC sockets;
  - Sun RPC protocol;
  - TIPC protocol;
  - Unix domain sockets;
  - Realtek audio codecs;
(CVE-2023-52594, CVE-2023-52601, CVE-2024-26826, CVE-2023-52622,
CVE-2024-26665, CVE-2023-52493, CVE-2023-52633, CVE-2024-26684,
CVE-2024-26663, CVE-2023-52618, CVE-2023-52588, CVE-2023-52637,
CVE-2024-26825, CVE-2023-52606, CVE-2024-26594, CVE-2024-26625,
CVE-2024-26720, CVE-2024-26614, CVE-2023-52627, CVE-2023-52602,
CVE-2024-26673, CVE-2024-26685, CVE-2023-52638, CVE-2023-52498,
CVE-2023-52619, CVE-2024-26910, CVE-2024-26689, CVE-2023-52583,
CVE-2024-26676, CVE-2024-26671, CVE-2024-26704, CVE-2024-26608,
CVE-2024-26610, CVE-2024-26592, CVE-2023-52599, CVE-2023-52595,
CVE-2024-26660, CVE-2023-52617, CVE-2024-26645, CVE-2023-52486,
CVE-2023-52631, CVE-2023-52607, CVE-2023-52608, CVE-2024-26722,
CVE-2024-26615, CVE-2023-52615, CVE-2024-26636, CVE-2023-52642,
CVE-2023-52587, CVE-2024-26712, CVE-2024-26675, CVE-2023-52614,
CVE-2024-26606, CVE-2024-26916, CVE-2024-26600, CVE-2024-26679,
CVE-2024-26829, CVE-2024-26641, CVE-2023-52623, CVE-2024-26627,
CVE-2024-26696, CVE-2024-26640, CVE-2024-26635, CVE-2023-52491,
CVE-2024-26664, CVE-2024-26602, CVE-2023-52604, CVE-2024-26717,
CVE-2023-52643, CVE-2024-26593, CVE-2023-52598, CVE-2024-26668,
CVE-2023-52435, CVE-2023-52597, CVE-2024-26715, CVE-2024-26707,
CVE-2023-52635, CVE-2024-26695, CVE-2024-26698, CVE-2023-52494,
CVE-2024-26920, CVE-2024-26808, CVE-2023-52616, CVE-2023-52492,
CVE-2024-26702, CVE-2024-26644, CVE-2023-52489, CVE-2024-26697)
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6766-2</guid><pubDate>Wed, 15 May 2024 15:15:08 +0000</pubDate></item><item><title>USN-6772-1: strongSwan vulnerability</title><link>https://ubuntu.com/security/notices/USN-6772-1</link><description>Jan Schermer discovered that strongSwan incorrectly validated client
certificates in certain configurations. A remote attacker could possibly
use this issue to bypass access controls.
</description><guid isPermaLink="false">https://ubuntu.com/security/notices/USN-6772-1</guid><pubDate>Tue, 14 May 2024 11:20:27 +0000</pubDate></item></channel></rss>