Test ID:	1.3.6.1.4.1.25623.1.1.12.2021.4901.1
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4901-1)
Summary:	The remote host is missing an update for the 'linux-lts-trusty' package(s) announced via the USN-4901-1 advisory.
Description:	Summary: The remote host is missing an update for the 'linux-lts-trusty' package(s) announced via the USN-4901-1 advisory. Vulnerability Insight: Adam Nichols discovered that heap overflows existed in the iSCSI subsystem in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-27365) It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient identifier checking in certain XCOPY requests. An attacker with access to at least one LUN in a multiple backstore environment could use this to expose sensitive information or modify data. (CVE-2020-28374) Adam Nichols discovered that the iSCSI subsystem in the Linux kernel did not properly restrict access to iSCSI transport handles. A local attacker could use this to cause a denial of service or expose sensitive information (kernel pointer addresses). (CVE-2021-27363) Adam Nichols discovered that an out-of-bounds read existed in the iSCSI subsystem in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information (kernel memory). (CVE-2021-27364) Affected Software/OS: 'linux-lts-trusty' package(s) on Ubuntu 12.04. Solution: Please install the updated package(s). CVSS Score: 5.5 CVSS Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-28374 Debian Security Information: DSA-4843 (Google Search) https://www.debian.org/security/2021/dsa-4843 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LTGQDYIEO2GOCOOKADBHEITF44GY55QF/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HK7SRTITN5ABAUOOIGFVR7XE5YKYYAVO/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FZEUPID5DZYLZBIO4BEVLHFUDZZIFL57/ http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html https://bugzilla.suse.com/attachment.cgi?id=844938 https://bugzilla.suse.com/show_bug.cgi?id=1178372 https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html http://www.openwall.com/lists/oss-security/2021/01/13/2 http://www.openwall.com/lists/oss-security/2021/01/13/5 Common Vulnerability Exposure (CVE) ID: CVE-2021-27363 http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html http://www.openwall.com/lists/oss-security/2021/03/06/1 https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html https://bugzilla.suse.com/show_bug.cgi?id=1182716 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html Common Vulnerability Exposure (CVE) ID: CVE-2021-27364 https://security.netapp.com/advisory/ntap-20210409-0001/ https://bugzilla.suse.com/show_bug.cgi?id=1182717 https://www.openwall.com/lists/oss-security/2021/03/06/1 https://www.oracle.com/security-alerts/cpuoct2021.html Common Vulnerability Exposure (CVE) ID: CVE-2021-27365 https://bugzilla.suse.com/show_bug.cgi?id=1182715 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5
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