Test ID:	1.3.6.1.4.1.25623.1.0.845030
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-5046-1)
Summary:	The remote host is missing an update for the 'linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.11, linux-kvm, linux-oracle, linux-raspi' package(s) announced via the USN-5046-1 advisory.
Description:	Summary: The remote host is missing an update for the 'linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.11, linux-kvm, linux-oracle, linux-raspi' package(s) announced via the USN-5046-1 advisory. Vulnerability Insight: It was discovered that the bluetooth subsystem in the Linux kernel did not properly perform access control. An authenticated attacker could possibly use this to expose sensitive information. (CVE-2020-26558, CVE-2021-0129) Michael Brown discovered that the Xen netback driver in the Linux kernel did not properly handle malformed packets from a network PV frontend, leading to a use-after-free vulnerability. An attacker in a guest VM could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2021-28691) It was discovered that the bluetooth subsystem in the Linux kernel did not properly handle HCI device initialization failure, leading to a double-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2021-3564) It was discovered that the bluetooth subsystem in the Linux kernel did not properly handle HCI device detach events, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2021-3573) It was discovered that the NFC implementation in the Linux kernel did not properly handle failed connect events leading to a NULL pointer dereference. A local attacker could use this to cause a denial of service. (CVE-2021-3587) Affected Software/OS: 'linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.11, linux-kvm, linux-oracle, linux-raspi' package(s) on Ubuntu 20.04, Ubuntu 21.04. Solution: Please install the updated package(s). CVSS Score: 6.9 CVSS Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-26558 Debian Security Information: DSA-4951 (Google Search) https://www.debian.org/security/2021/dsa-4951 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NSS6CTGE4UGTJLCOZOASDR3T3SLL6QJZ/ https://security.gentoo.org/glsa/202209-16 https://kb.cert.org/vuls/id/799380 https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/ https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html https://lists.debian.org/debian-lts-announce/2021/06/msg00022.html Common Vulnerability Exposure (CVE) ID: CVE-2021-0129 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00517.html Common Vulnerability Exposure (CVE) ID: CVE-2021-28691 https://security.gentoo.org/glsa/202107-30 https://xenbits.xenproject.org/xsa/advisory-374.txt Common Vulnerability Exposure (CVE) ID: CVE-2021-3564 [debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update [debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update [oss-security] 20210525 CVE-2021-3564 Linux Bluetooth device initialization implementation bug http://www.openwall.com/lists/oss-security/2021/05/25/1 [oss-security] 20210601 Re: CVE-2021-3564 Linux Bluetooth device initialization implementation bug http://www.openwall.com/lists/oss-security/2021/06/01/2 https://bugzilla.redhat.com/show_bug.cgi?id=1964139 https://www.openwall.com/lists/oss-security/2021/05/25/1 Common Vulnerability Exposure (CVE) ID: CVE-2021-3573 https://bugzilla.redhat.com/show_bug.cgi?id=1966578 https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52 https://www.openwall.com/lists/oss-security/2021/06/08/2 http://www.openwall.com/lists/oss-security/2023/07/02/1 Common Vulnerability Exposure (CVE) ID: CVE-2021-3587
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