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Ubuntu Security Notice USN-5616-1

Ubuntu Security Notice USN-5616-1
Posted Sep 19, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5616-1 - Asaf Modelevsky discovered that the Intel 10GbE PCI Express Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33061, CVE-2022-1729, CVE-2022-1852, CVE-2022-1943, CVE-2022-1973, CVE-2022-2503, CVE-2022-2873, CVE-2022-2959
SHA-256 | 480c1cb29e7c2e73e7609ec70dbc18c52181780c5a281e11ecbd77c9689870c2

Ubuntu Security Notice USN-5616-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5616-1
September 16, 2022

linux-intel-iotg vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-intel-iotg: Linux kernel for Intel IoT platforms

Details:

Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe)
Ethernet driver for the Linux kernel performed insufficient control flow
management. A local attacker could possibly use this to cause a denial
of service. (CVE-2021-33061)

Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP
implementation in the Linux kernel did notprovide sufficient
randomization when calculating port offsets. An attacker could possibly
use this to expose sensitive information. (CVE-2022-1012, CVE-2022-32296)

Norbert Slusarek discovered that a race condition existed in the perf
subsystem in the Linux kernel, resulting in a use-after-free
vulnerability. A privileged local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2022-1729)

Qiuhao Li, Gaoning Pan, and Yongkang Jia discovered that the KVM
hypervisor implementation in the Linux kernel did not properly handle an
illegal instruction in a guest, resulting in a null pointer dereference.
An attacker in a guest VM could use this to cause a denial of service
(system crash) in the host OS. (CVE-2022-1852)

It was discovered that the UDF file system 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-2022-1943)

Gerald Lee discovered that the NTFS file system implementation in the
Linux kernel did not properly handle certain error conditions, leading
to a use-after-free vulnerability. A local attacker could use this to
cause a denial of service (system crash) or possibly expose sensitive
information. (CVE-2022-1973)

It was discovered that the device-mapper verity (dm-verity) driver in
the Linux kernel did not properly verify targets being loaded into the
device-mapper table. A privileged attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2022-2503)

Zheyu Ma discovered that the Intel iSMT SMBus host controller driver 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).
(CVE-2022-2873)

Selim Enes Karaduman discovered that a race condition existed in the
pipe buffers implementation of the Linux kernel. A local attacker could
use this to cause a denial of service (system crash) or possibly
escalate privileges. (CVE-2022-2959)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
linux-image-5.15.0-1015-intel-iotg 5.15.0-1015.20
linux-image-intel-iotg 5.15.0.1015.16

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-5616-1
CVE-2021-33061, CVE-2022-1012, CVE-2022-1729, CVE-2022-1852,
CVE-2022-1943, CVE-2022-1973, CVE-2022-2503, CVE-2022-2873,
CVE-2022-2959, CVE-2022-32296

Package Information:
https://launchpad.net/ubuntu/+source/linux-intel-iotg/5.15.0-1015.20
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