Amazon Linux 2 : dhcp (ALAS-2021-1654)

The version of dhcp installed on the remote host is prior to 4.2.5-77. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1654 advisory. A flaw was found in the Dynamic Host Configuration Protocol DHCP. There is a discrepancy between the code that handles encapsulated...

OESA-2021-1226 dhcp security update

The Dynamic Host Configuration Protocol DHCP is a network management protocol used on UDP/IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks. Security Fixes: In I...

UBUNTU-CVE-2021-3600

It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code...

Oracle Linux 6 : dhcp (ELSA-2021-9314)

The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-9314 advisory. 12:4.1.1-63.P1.0.2 - Added dhcp-4.1.1-P1-CVE-2021-25217.patch Orabug: 33005948 Tenable has extracted the preceding description block directly from the Oracle...

CVE-2021-28689

x86: Speculative vulnerabilities with bare non-shim 32-bit PV guests 32-bit x86 PV guest kernels run in ring 1. At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to...

DEBIAN-CVE-2021-28689

x86: Speculative vulnerabilities with bare non-shim 32-bit PV guests 32-bit x86 PV guest kernels run in ring 1. At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to...

CVE-2021-28689

x86: Speculative vulnerabilities with bare non-shim 32-bit PV guests 32-bit x86 PV guest kernels run in ring 1. At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to...

UBUNTU-CVE-2021-28689

x86: Speculative vulnerabilities with bare non-shim 32-bit PV guests 32-bit x86 PV guest kernels run in ring 1. At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to...

CVE-2021-28689

x86: Speculative vulnerabilities with bare non-shim 32-bit PV guests 32-bit x86 PV guest kernels run in ring 1. At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to...

CVE-2021-28689

CVE-2021-28689 concerns the Xen hypervisor. The issue affects 32-bit PV guests running in ring 1 on x86, where 32-bit PV guest kernels were paravirtualised in the original design. The underlying cause is speculative execution side-channel risk in this ring, with Indirect Branch Restricted Specula...

klibc input validation error vulnerability (CNVD-2021-54000)

klibc is an application program. Provides the ability to work from kernel space as early as possible. klibc versions prior to 2.0.9 are vulnerable to an input validation error, which stems from multiple possible integer overflows in the cpio command on 32-bit systems that could lead to buffer...

Oracle Linux 8 : dhcp (ELSA-2021-2359)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-2359 advisory. 12:4.3.6-44.1 - Fix for CVE-2021-25217 Tenable has extracted the preceding description block directly from the Oracle Linux security advisory. Note that Nessus...

Description of the security update for Excel 2013: June 8, 2021 (KB5001963)

Description of the security update for Excel 2013: June 8, 2021 KB5001963 Summary This security update resolves a Microsoft Excel Remote Code Execution Vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-31939. Note: To apply this...

CVE-2021-32625 Redis vulnerability in STRALGO LCS on 32-bit systems

Redis is an open source BSD licensed, in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer, could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This ...

GSD-2021-1000300 KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit

KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.4 by commit...

UVI-2021-1000300 KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit

KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.4 by commit...

UVI-2021-1000396 KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit

KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.37 by commit...

GSD-2021-1000396 KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit

KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.37 by commit...

Ubuntu 18.04 LTS / 20.04 LTS : DHCP vulnerability (USN-4969-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4969-1 advisory. Jon Franklin and Pawel Wieczorkiewicz discovered that DHCP incorrectly handled lease file parsing. A remote attacker could possibly use this issue to...

CVE-2021-25217

In ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16, ISC DHCP 4.4.0 - 4.4.2 Other branches of ISC DHCP i.e., releases in the 4.0.x series or lower and releases in the 4.3.x series are beyond their End-of-Life EOL and no longer supported by ISC. From inspection it is clear that the defect is also present in...