Test ID:	1.3.6.1.4.1.25623.1.1.2.2020.2011
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2020-2011)
Summary:	The remote host is missing an update for the Huawei EulerOS 'kernel' package(s) announced via the EulerOS-SA-2020-2011 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'kernel' package(s) announced via the EulerOS-SA-2020-2011 advisory. Vulnerability Insight: The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c.(CVE-2020-16166) In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.(CVE-2020-24394) In uvc_scan_chain_forward of uvc_driver.c, there is a possible linked list corruption due to an unusual root cause. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-111893654References: Upstream kernel(CVE-2020-0404) A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.(CVE-2020-25212) A flaw was found in the Linux kernel before 5.9-rc4. A failure of the file system metadata validator in XFS can cause an inode with a valid, user-creatable extended attribute to be flagged as corrupt. This can lead to the filesystem being shutdown, or otherwise rendered inaccessible until it is remounted, leading to a denial of service. The highest threat from this vulnerability is to system availability.(CVE-2020-14385) The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.(CVE-2020-25284) A flaw was found in the Linux kernel in versions from 2.2.3 through 5.9.rc5. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. This highest threat from this vulnerability is to system availability.(CVE-2020-14390) Affected Software/OS: 'kernel' package(s) on Huawei EulerOS Virtualization for ARM 64 3.0.6.0. Solution: Please install the updated package(s). CVSS Score: 4.9 CVSS Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-0404 https://source.android.com/security/bulletin/2020-09-01 SuSE Security Announcement: openSUSE-SU-2020:1586 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html SuSE Security Announcement: openSUSE-SU-2020:1655 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
Copyright	Copyright (C) 2020 Greenbone Networks GmbH

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