Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004308)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004308 advisory. An issue was discovered in the Linux kernel 5.5 through 5.7.9, as used in Xen through 4.13.x for x86 PV guests. An attacker may be granted the I/O port permissions o...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001091)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001091 advisory. The xenbiovecphysmergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002567)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002567 advisory. The handleinvept function in arch/x86/kvm/vmx.c in the Linux kernel 3.12 through 3.15 allows privileged KVM guest OS users to cause a denial of service NULL pointer...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002630)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002630 advisory. The accesspmuevcntr function in arch/arm64/kvm/sysregs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service assertio...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001782)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001782 advisory. Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001816)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001816 advisory. The netback driver in Xen, when using certain Linux versions that do not allow sleeping in softirq context, allows local guest administrators to cause a denial of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002432)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002432 advisory. Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002191)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002191 advisory. The netback driver in Xen, when using certain Linux versions that do not allow sleeping in softirq context, allows local guest administrators to cause a denial of...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002984 advisory. Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002690)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002690 advisory. The accesspmuevcntr function in arch/arm64/kvm/sysregs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service assertio...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002539)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002539 advisory. arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002155)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002155 advisory. The xenfailsafecallback function in Xen for the Linux kernel 2.6.23 and other versions, when running a 32-bit PVOPS guest, allows local users to cause a denial of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002785)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002785 advisory. kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernel's K...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002731)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002731 advisory. Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003273)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003273 advisory. The switchto function in arch/x86/kernel/process64.c in the Linux kernel does not properly context- switch IOPL on 64-bit PV Xen guests, which allows local guest OS...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001700)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001700 advisory. Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP When running as an SNP or TDX guest under KVM, force the legacy PCI hole, i.e. memory between Top of Lower Usable DRAM and 4GiB, to be mapped as UC via a forc...

CVE-2022-42315

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

CVE-2022-42311

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

CVE-2022-42325

Xenstore: Guests can create arbitrary number of nodes via transactions This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. In case a node has been created in a transaction and it is later deleted in the same transaction, t...