CVE-2021-26323

Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity...

kernel: KVM: double fetch in nested_svm_vmrun can lead to unrestricted MSR access

A flaw was found in the Linux kernel. A KVM guest on AMD can launch a nested guest without the Intercept VMRUN control bit by exploiting a TOCTOU vulnerability in nestedsvmvmrun. A malicious guest could use this flaw to gain unrestricted access to host MSRs, possibly leading to guest-to-host esca...

CentOS 8 : kernel (CESA-2021:4056)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:4056 advisory. - kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free CVE-2020-36385 - kernel: out-of-bounds write due to a heap buffer overflo...

Oracle Linux 8 : kernel (ELSA-2021-4056)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-4056 advisory. - RDMA/ucma: Rework ucmamigrateid to avoid races with destroy Kamal Heib 1982040 1931846 CVE-2020-36385 - RDMA/ucma: Fix locking for ctx-eventsreported...

CVE-2021-42697

Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments...

kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE)

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "virtext" field, this issue could allow a malicious...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

RLSA-2021:4088 Important: kernel-rt security and bug fix update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free CVE-2020-36385 kernel: out-of-bounds write due to a heap buffe...

kernel-rt security and bug fix update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE)

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "virtext" field, this issue could allow a malicious...

RHEL 8 : kernel (RHSA-2021:4056)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4056 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in...

RHEL 8 : kernel-rt (RHSA-2021:4088)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4088 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 7 : kernel (RHSA-2021:3987)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3987 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in...

NewStart CGSL CORE 5.04 / MAIN 5.04 : perl Multiple Vulnerabilities (NS-SA-2021-0099)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has perl packages installed that are affected by multiple vulnerabilities: - Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow...

OpenLDAP < 2.4.50 DoS Vulnerability

OpenLDAP is prone to a denial of service DoS vulnerability. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE)

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "virtext" field, this issue could allow a malicious...

kernel: SVM nested virtualization issue in KVM (AVIC support)

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "intctl" field, this issue could allow a malicious ...

CLSA-2021-1634922570 Fixed CVEs in dovecot: CVE-2020-25275, CVE-2020-12100

CVE-2020-12100: Resource exhaustion via deeply nested MIME parts - CVE-2020-25275: Denial of service via mail MIME parsing...

x-assign 安全漏洞

X-assign is an Object.assign package. It is used to merge nested objects and concatenate arrays. A security vulnerability exists in x-assign, which stems from the fact that the software's global prototype object can be contaminated by the proto prototype object...

kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE)

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "virtext" field, this issue could allow a malicious...