--===============7715925818361102942== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Yb+qhiCg54lqZFXW" Content-Disposition: inline
--Yb+qhiCg54lqZFXW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline
========================================================================== Ubuntu Security Notice USN-4302-1 March 17, 2020
linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-raspi2, linux-snapdragon 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-gke-4.15: Linux kernel for Google Container Engine (GKE) systems - linux-kvm: Linux kernel for cloud environments - linux-raspi2: Linux kernel for Raspberry Pi 2 - linux-snapdragon: Linux kernel for Snapdragon processors - linux-aws-hwe: Linux kernel for Amazon Web Services (AWS-HWE) systems - linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems - linux-hwe: Linux hardware enablement (HWE) kernel
Details:
Paulo Bonzini discovered that the KVM hypervisor implementation in the Linux kernel could improperly let a nested (level 2) guest access the resources of a parent (level 1) guest in certain situations. An attacker could use this to expose sensitive information. (CVE-2020-2732)
Gregory Herrero discovered that the fix for CVE-2019-14615 to address the Linux kernel not properly clearing data structures on context switches for certain Intel graphics processors was incomplete. A local attacker could use this to expose sensitive information. (CVE-2020-8832)
It was discovered that the IPMI message handler implementation in the Linux kernel did not properly deallocate memory in certain situations. A local attacker could use this to cause a denial of service (kernel memory exhaustion). (CVE-2019-19046)
It was discovered that the Intel WiMAX 2400 driver in the Linux kernel did not properly deallocate memory in certain situations. A local attacker could use this to cause a denial of service (kernel memory exhaustion). (CVE-2019-19051)
It was discovered that the Marvell Wi-Fi device driver in the Linux kernel did not properly deallocate memory in certain error conditions. A local attacker could use this to possibly cause a denial of service (kernel memory exhaustion). (CVE-2019-19056)
It was discovered that the Intel(R) Wi-Fi device driver in the Linux kernel device driver in the Linux kernel did not properly deallocate memory in certain error conditions. A local attacker could possibly use this to cause a denial of service (kernel memory exhaustion). (CVE-2019-19058)
It was discovered that the Brocade BFA Fibre Channel device driver in the Linux kernel did not properly deallocate memory in certain error conditions. A local attacker could possibly use this to cause a denial of service (kernel memory exhaustion). (CVE-2019-19066)
It was discovered that the Realtek RTL8xxx USB Wi-Fi device driver in the Linux kernel did not properly deallocate memory in certain error conditions. A local attacker could possibly use this to cause a denial of service (kernel memory exhaustion). (CVE-2019-19068)
It was discovered that ZR364XX Camera USB device driver for the Linux kernel did not properly initialize memory. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2019-15217)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04 LTS: linux-image-4.15.0-1055-gke 4.15.0-1055.58 linux-image-4.15.0-1056-kvm 4.15.0-1056.57 linux-image-4.15.0-1057-raspi2 4.15.0-1057.61 linux-image-4.15.0-1063-aws 4.15.0-1063.67 linux-image-4.15.0-1074-snapdragon 4.15.0-1074.81 linux-image-4.15.0-91-generic 4.15.0-91.92 linux-image-4.15.0-91-generic-lpae 4.15.0-91.92 linux-image-4.15.0-91-lowlatency 4.15.0-91.92 linux-image-aws 4.15.0.1063.64 linux-image-aws-lts-18.04 4.15.0.1063.64 linux-image-generic 4.15.0.91.83 linux-image-generic-lpae 4.15.0.91.83 linux-image-gke 4.15.0.1055.59 linux-image-gke-4.15 4.15.0.1055.59 linux-image-kvm 4.15.0.1056.56 linux-image-lowlatency 4.15.0.91.83 linux-image-powerpc-e500mc 4.15.0.91.83 linux-image-powerpc-smp 4.15.0.91.83 linux-image-powerpc64-emb 4.15.0.91.83 linux-image-powerpc64-smp 4.15.0.91.83 linux-image-raspi2 4.15.0.1057.55 linux-image-snapdragon 4.15.0.1074.77 linux-image-virtual 4.15.0.91.83
Ubuntu 16.04 LTS: linux-image-4.15.0-1058-gcp 4.15.0-1058.62 linux-image-4.15.0-1063-aws 4.15.0-1063.67~16.04.1 linux-image-4.15.0-91-generic 4.15.0-91.92~16.04.1 linux-image-4.15.0-91-generic-lpae 4.15.0-91.92~16.04.1 linux-image-4.15.0-91-lowlatency 4.15.0-91.92~16.04.1 linux-image-aws-hwe 4.15.0.1063.63 linux-image-gcp 4.15.0.1058.72 linux-image-generic-hwe-16.04 4.15.0.91.101 linux-image-generic-lpae-hwe-16.04 4.15.0.91.101 linux-image-gke 4.15.0.1058.72 linux-image-lowlatency-hwe-16.04 4.15.0.91.101 linux-image-oem 4.15.0.91.101 linux-image-virtual-hwe-16.04 4.15.0.91.101
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://usn.ubuntu.com/4302-1 CVE-2019-15217, CVE-2019-19046, CVE-2019-19051, CVE-2019-19056, CVE-2019-19058, CVE-2019-19066, CVE-2019-19068, CVE-2020-2732, CVE-2020-8832
Package Information: https://launchpad.net/ubuntu/+source/linux/4.15.0-91.92 https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1063.67 https://launchpad.net/ubuntu/+source/linux-gke-4.15/4.15.0-1055.58 https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1056.57 https://launchpad.net/ubuntu/+source/linux-raspi2/4.15.0-1057.61 https://launchpad.net/ubuntu/+source/linux-snapdragon/4.15.0-1074.81 https://launchpad.net/ubuntu/+source/linux-aws-hwe/4.15.0-1063.67~16.04.1 https://launchpad.net/ubuntu/+source/linux-gcp/4.15.0-1058.62 https://launchpad.net/ubuntu/+source/linux-hwe/4.15.0-91.92~16.04.1
--Yb+qhiCg54lqZFXW Content-Type: application/pgp-signature; name="signature.asc"
-----BEGIN PGP SIGNATURE-----
iQIzBAABCgAdFiEEpgY7tWAjCaQ8jrvULwmejQBegfQFAl5wM8gACgkQLwmejQBe gfSpfxAAokZJ4BHGYQF7lPs3n6HBG5Qw6TPtfhwPBLk5M279LaZR0woI5uHqSnqd eiauGluhqY/ah8zGRMxRnStAoTUQTQzkL7M2ksfvp9I8inFwu7mwl6N5YmVWOGlW 2JrmO5JWbCrR2orpM9g+KEZOfUgohoQtya35jh3Qz7lZV3FcNzBbm2s3wRBcTyks /pBKq/0gB3yYE05SKoWxs+v2fZ9ZIZanWLUz4XrkblQ7LotBYTZ7UGp9iGyeIinh RiIpY4pnAtfawJ69m1mslKlDyqdfXsX9g7WrL3j11a8nDOa1vQNfKc0N8YvMwFoZ mq6ov2a/GV2lpVN9mqQHL5fSug0hXH3HM8AbNQ8aYm+73wYzk1bVUO+pQ5M4A5eh Ik0Eyclt8IBFBnBB/NftpK7ee2xWKd1ljxpkIjE6OdIhLjoS7M1d2kp5+mjPJCPn UQ9qSbb9ke9APbiT24cM/JPab7tyeow3nkstDPkyoRxfLlCz7pxwMrdD/PYcr/hG hCetGiuLMhTzTGC5hlx9VlGE+ZS3l6apTRHvk1TJnow7EbVkFVzy26AaK6rGdzWi MOEBKol5I7ipP5YyaQKc3gCQJYbbfubXsDBTXlRR9nJkiQOV1h7by1R0o2E38vgk tdDUyIcmS2ZR+HHhElM+mcWdpss4Dx25LxrX3q4ncMWhdtLhh5Q= =a7vC -----END PGP SIGNATURE-----
--Yb+qhiCg54lqZFXW--
--===============7715925818361102942== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline
-- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce
|