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=========================================================================Ubuntu Security Notice USN-6096-1
May 22, 2023

linux-gcp, linux-hwe-5.19 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.10
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-hwe-5.19: Linux hardware enablement (HWE) kernel

Details:

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)

Ziming Zhang discovered that the VMware Virtual GPU DRM 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-2022-36280)

Zheng Wang discovered that the Intel i915 graphics driver in the Linux
kernel did not properly handle certain error conditions, leading to a
double-free. A local attacker could possibly use this to cause a denial of
service (system crash). (CVE-2022-3707)

Haowei Yan discovered that a race condition existed in the Layer 2
Tunneling Protocol (L2TP) implementation in the Linux kernel. A local
attacker could possibly use this to cause a denial of service (system
crash). (CVE-2022-4129)

It was discovered that the NTFS file system implementation in the Linux
kernel contained a null pointer dereference in some situations. A local
attacker could use this to cause a denial of service (system crash).
(CVE-2022-4842)

It was discovered that the NTFS file system implementation in the Linux
kernel did not properly validate attributes in certain situations, leading
to an out-of-bounds write vulnerability. A local attacker could use this to
cause a denial of service (system crash). (CVE-2022-48423)

It was discovered that the NTFS file system implementation in the Linux
kernel did not properly validate attributes in certain situations, leading
to an out-of-bounds read vulnerability. A local attacker could possibly use
this to expose sensitive information (kernel memory). (CVE-2022-48424)

It was discovered that the KSMBD implementation in the Linux kernel did not
properly validate buffer lengths, leading to a heap-based buffer overflow.
A remote attacker could possibly use this to cause a denial of service
(system crash). (CVE-2023-0210)

Kyle Zeng discovered that the IPv6 implementation in the Linux kernel
contained a NULL pointer dereference vulnerability in certain situations. A
local attacker could use this to cause a denial of service (system crash).
(CVE-2023-0394)

Jordy Zomer and Alexandra Sandulescu discovered that syscalls invoking the
do_prlimit() function in the Linux kernel did not properly handle
speculative execution barriers. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2023-0458)

Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did
not properly implement speculative execution barriers in usercopy functions
in certain situations. A local attacker could use this to expose sensitive
information (kernel memory). (CVE-2023-0459)

It was discovered that the Human Interface Device (HID) support driver in
the Linux kernel contained a type confusion vulnerability in some
situations. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-1073)

It was discovered that a memory leak existed in the SCTP protocol
implementation in the Linux kernel. A local attacker could use this to
cause a denial of service (memory exhaustion). (CVE-2023-1074)

It was discovered that the TLS subsystem in the Linux kernel contained a
type confusion vulnerability in some situations. A local attacker could use
this to cause a denial of service (system crash) or possibly expose
sensitive information. (CVE-2023-1075)

It was discovered that the Reliable Datagram Sockets (RDS) protocol
implementation in the Linux kernel contained a type confusion vulnerability
in some situations. An attacker could use this to cause a denial of service
(system crash). (CVE-2023-1078)

Xingyuan Mo discovered that the x86 KVM implementation in the Linux kernel
did not properly initialize some data structures. A local attacker could
use this to expose sensitive information (kernel memory). (CVE-2023-1513)

It was discovered that the NFS implementation in the Linux kernel did not
properly handle pending tasks in some situations. A local attacker could
use this to cause a denial of service (system crash) or expose sensitive
information (kernel memory). (CVE-2023-1652)

It was discovered that the ARM64 EFI runtime services implementation in the
Linux kernel did not properly manage concurrency calls. A local attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code. (CVE-2023-21102)

It was discovered that a race condition existed in Adreno GPU DRM driver in
the Linux kernel, leading to a double-free vulnerability. A local attacker
could use this to cause a denial of service (system crash).
(CVE-2023-21106)

It was discovered that a use-after-free vulnerability existed in the iSCSI
TCP implementation in the Linux kernel. A local attacker could possibly use
this to cause a denial of service (system crash). (CVE-2023-2162)

Kyle Zeng discovered that the class-based queuing discipline implementation
in the Linux kernel contained a type confusion vulnerability in some
situations. An attacker could use this to cause a denial of service (system
crash). (CVE-2023-23454)

Kyle Zeng discovered that the ATM VC queuing discipline implementation in
the Linux kernel contained a type confusion vulnerability in some
situations. An attacker could use this to cause a denial of service (system
crash). (CVE-2023-23455)

It was discovered that the NTFS file system implementation in the Linux
kernel did not properly validate the size of attributes when parsing MFT. A
local attacker could possibly use this to cause a denial of service (system
crash) or expose sensitive information (kernel memory). (CVE-2023-26544)

It was discovered that the NET/ROM protocol implementation in the Linux
kernel contained a race condition in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2023-32269)

Duoming Zhou discovered that a race condition existed in the infrared
receiver/transceiver driver in the Linux kernel, leading to a use-after-free vulnerability. A privileged attacker could use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2023-1118)

Update instructions:

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

Ubuntu 22.10:
   linux-image-5.19.0-1024-gcp     5.19.0-1024.26
   linux-image-gcp                 5.19.0.1024.20

Ubuntu 22.04 LTS:
   linux-image-5.19.0-42-generic   5.19.0-42.43~22.04.1
   linux-image-5.19.0-42-generic-64k  5.19.0-42.43~22.04.1
   linux-image-5.19.0-42-generic-lpae  5.19.0-42.43~22.04.1
   linux-image-generic-64k-hwe-22.04  5.19.0.42.43~22.04.15
   linux-image-generic-hwe-22.04   5.19.0.42.43~22.04.15
   linux-image-generic-lpae-hwe-22.04  5.19.0.42.43~22.04.15
   linux-image-virtual-hwe-22.04   5.19.0.42.43~22.04.15

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-6096-1
   CVE-2022-27672, CVE-2022-36280, CVE-2022-3707, CVE-2022-4129,
   CVE-2022-4842, CVE-2022-48423, CVE-2022-48424, CVE-2023-0210,
   CVE-2023-0394, CVE-2023-0458, CVE-2023-0459, CVE-2023-1073,
   CVE-2023-1074, CVE-2023-1075, CVE-2023-1078, CVE-2023-1118,
   CVE-2023-1513, CVE-2023-1652, CVE-2023-21102, CVE-2023-21106,
   CVE-2023-2162, CVE-2023-23454, CVE-2023-23455, CVE-2023-26544,
   CVE-2023-32269

Package Information:
   https://launchpad.net/ubuntu/+source/linux-gcp/5.19.0-1024.26
   https://launchpad.net/ubuntu/+source/linux-hwe-5.19/5.19.0-42.43~22.04.1

Ubuntu 6096-1: Linux kernel vulnerabilities

May 22, 2023
Several security issues were fixed in the Linux kernel.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: linux-image-5.19.0-1024-gcp 5.19.0-1024.26 linux-image-gcp 5.19.0.1024.20 Ubuntu 22.04 LTS: linux-image-5.19.0-42-generic 5.19.0-42.43~22.04.1 linux-image-5.19.0-42-generic-64k 5.19.0-42.43~22.04.1 linux-image-5.19.0-42-generic-lpae 5.19.0-42.43~22.04.1 linux-image-generic-64k-hwe-22.04 5.19.0.42.43~22.04.15 linux-image-generic-hwe-22.04 5.19.0.42.43~22.04.15 linux-image-generic-lpae-hwe-22.04 5.19.0.42.43~22.04.15 linux-image-virtual-hwe-22.04 5.19.0.42.43~22.04.15 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-6096-1

CVE-2022-27672, CVE-2022-36280, CVE-2022-3707, CVE-2022-4129,

CVE-2022-4842, CVE-2022-48423, CVE-2022-48424, CVE-2023-0210,

CVE-2023-0394, CVE-2023-0458, CVE-2023-0459, CVE-2023-1073,

CVE-2023-1074, CVE-2023-1075, CVE-2023-1078, CVE-2023-1118,

CVE-2023-1513, CVE-2023-1652, CVE-2023-21102, CVE-2023-21106,

CVE-2023-2162, CVE-2023-23454, CVE-2023-23455, CVE-2023-26544,

CVE-2023-32269

Severity
May 22, 2023

Package Information

https://launchpad.net/ubuntu/+source/linux-gcp/5.19.0-1024.26 https://launchpad.net/ubuntu/+source/linux-hwe-5.19/5.19.0-42.43~22.04.1

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