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List: ubuntu-security-announce
Subject: [USN-6777-1] Linux kernel vulnerabilities
From: Rodrigo Figueiredo Zaiden <rodrigo.zaiden () canonical ! com>
Date: 2024-05-16 19:24:45
Message-ID: 07c7de2c-9878-49a4-b1b5-3a7d78f5b551 () canonical ! com
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==========================================================================
Ubuntu Security Notice USN-6777-1
May 16, 2024
linux, linux-aws, linux-azure-4.15, linux-gcp-4.15, linux-hwe, linux-kvm,
linux-oracle vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description:
- linux: Linux kernel
- linux-aws: Linux kernel for Amazon Web Services (AWS) systems
- linux-azure-4.15: Linux kernel for Microsoft Azure Cloud systems
- linux-gcp-4.15: Linux kernel for Google Cloud Platform (GCP) systems
- linux-kvm: Linux kernel for cloud environments
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-hwe: Linux hardware enablement (HWE) kernel
Details:
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)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS
linux-image-4.15.0-1131-oracle 4.15.0-1131.142
Available with Ubuntu Pro
linux-image-4.15.0-1152-kvm 4.15.0-1152.157
Available with Ubuntu Pro
linux-image-4.15.0-1162-gcp 4.15.0-1162.179
Available with Ubuntu Pro
linux-image-4.15.0-1168-aws 4.15.0-1168.181
Available with Ubuntu Pro
linux-image-4.15.0-1177-azure 4.15.0-1177.192
Available with Ubuntu Pro
linux-image-4.15.0-225-generic 4.15.0-225.237
Available with Ubuntu Pro
linux-image-4.15.0-225-lowlatency 4.15.0-225.237
Available with Ubuntu Pro
linux-image-aws-lts-18.04 4.15.0.1168.166
Available with Ubuntu Pro
linux-image-azure-lts-18.04 4.15.0.1177.145
Available with Ubuntu Pro
linux-image-gcp-lts-18.04 4.15.0.1162.175
Available with Ubuntu Pro
linux-image-generic 4.15.0.225.209
Available with Ubuntu Pro
linux-image-kvm 4.15.0.1152.143
Available with Ubuntu Pro
linux-image-lowlatency 4.15.0.225.209
Available with Ubuntu Pro
linux-image-oracle-lts-18.04 4.15.0.1131.136
Available with Ubuntu Pro
linux-image-virtual 4.15.0.225.209
Available with Ubuntu Pro
Ubuntu 16.04 LTS
linux-image-4.15.0-1131-oracle 4.15.0-1131.142~16.04.1
Available with Ubuntu Pro
linux-image-4.15.0-225-generic 4.15.0-225.237~16.04.1
Available with Ubuntu Pro
linux-image-4.15.0-225-lowlatency 4.15.0-225.237~16.04.1
Available with Ubuntu Pro
linux-image-generic-hwe-16.04 4.15.0.225.237~16.04.1
Available with Ubuntu Pro
linux-image-lowlatency-hwe-16.04 4.15.0.225.237~16.04.1
Available with Ubuntu Pro
linux-image-oem 4.15.0.225.237~16.04.1
Available with Ubuntu Pro
linux-image-oracle 4.15.0.1131.142~16.04.1
Available with Ubuntu Pro
linux-image-virtual-hwe-16.04 4.15.0.225.237~16.04.1
Available with Ubuntu Pro
After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.
References:
https://ubuntu.com/security/notices/USN-6777-1
CVE-2021-46981, CVE-2023-47233, CVE-2023-52439, CVE-2023-52524,
CVE-2023-52530, CVE-2023-52566, CVE-2023-52583, CVE-2023-52601,
CVE-2023-52602, CVE-2023-52604, CVE-2024-26614, CVE-2024-26622,
CVE-2024-26635, CVE-2024-26704, CVE-2024-26735, CVE-2024-26801,
CVE-2024-26805
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