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Test ID:1.3.6.1.4.1.25623.1.1.2.2020.2353
Category:Huawei EulerOS Local Security Checks
Title:Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2020-2353)
Summary:The remote host is missing an update for the Huawei EulerOS; 'kernel' package(s) announced via the EulerOS-SA-2020-2353 advisory.
Description:Summary:
The remote host is missing an update for the Huawei EulerOS
'kernel' package(s) announced via the EulerOS-SA-2020-2353 advisory.

Vulnerability Insight:
A flaw was found in the Linux kernels implementation of the invert video code on VGA consoles when a local attacker attempts to resize the console, calling an ioctl VT_RESIZE, which causes an out-of-bounds write to occur. This flaw allows a local user with access to the VGA console to crash the system, potentially escalating their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2020-14331)

A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2020-25643)

A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.(CVE-2020-14314)

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)

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 race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.(CVE-2020-25285)

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.(CVE-2020-14386)

A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.(CVE-2020-14390)

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink ...

Description truncated. Please see the references for more information.

Affected Software/OS:
'kernel' package(s) on Huawei EulerOS V2.0SP2.

Solution:
Please install the updated package(s).

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:M/Au:S/C:P/I:P/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-8181
https://bugzilla.redhat.com/show_bug.cgi?id=1335817
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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