CVE-2020-29568
Description
An issue was discovered in Xen through 4.14.x. Some OSes (such as Linux, FreeBSD, and NetBSD) are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OOM in the backend. All systems with a FreeBSD, Linux, or NetBSD (any version) dom0 are vulnerable.
Risk Information
Base Score
6.5
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.064
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Kernel-uek update (ELSA-2021-9005) kernel-uek-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9005) kernel-uek-debug-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9005) kernel-uek-debug-devel-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9005) kernel-uek-devel-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9005) kernel-uek-doc-4.14.35-2025.404.1.1.el7uek.noarch.rpm | Linux |
| Kernel-uek-tools update (ELSA-2021-9005) kernel-uek-tools-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| Kernel-uek update (ELSA-2021-9006) kernel-uek-5.4.17-2036.102.0.2.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9006) kernel-uek-debug-5.4.17-2036.102.0.2.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9006) kernel-uek-debug-devel-5.4.17-2036.102.0.2.el8uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9006) kernel-uek-devel-5.4.17-2036.102.0.2.el8uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9006) kernel-uek-doc-5.4.17-2036.102.0.2.el8uek.noarch.rpm | Linux |
| Kernel-uek-container update (ELSA-2021-9007) kernel-uek-container-5.4.17-2036.102.0.2.el8.x86_64.rpm | Linux |
| Kernel-uek-container-debug update (ELSA-2021-9007) kernel-uek-container-debug-5.4.17-2036.102.0.2.el8.x86_64.rpm | Linux |
| Kernel-uek update (ELSA-2021-9030) kernel-uek-4.1.12-124.47.3.el6uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9030) kernel-uek-debug-4.1.12-124.47.3.el6uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9030) kernel-uek-debug-devel-4.1.12-124.47.3.el6uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9030) kernel-uek-devel-4.1.12-124.47.3.el6uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9030) kernel-uek-doc-4.1.12-124.47.3.el6uek.noarch.rpm | Linux |
| Kernel-uek-firmware update (ELSA-2021-9030) kernel-uek-firmware-4.1.12-124.47.3.el6uek.noarch.rpm | Linux |
| Kernel-uek update (ELSA-2021-9030) kernel-uek-4.1.12-124.47.3.el7uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9030) kernel-uek-debug-4.1.12-124.47.3.el7uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9030) kernel-uek-debug-devel-4.1.12-124.47.3.el7uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9030) kernel-uek-devel-4.1.12-124.47.3.el7uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9030) kernel-uek-doc-4.1.12-124.47.3.el7uek.noarch.rpm | Linux |
| Kernel-uek-firmware update (ELSA-2021-9030) kernel-uek-firmware-4.1.12-124.47.3.el7uek.noarch.rpm | Linux |
| SUSE-SU-2021:0348-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-4.12.14-16.44.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0348-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-4.12.14-16.44.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0348-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-debuginfo-4.12.14-16.44.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0348-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debuginfo-4.12.14-16.44.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0348-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debugsource-4.12.14-16.44.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0348-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-devel-4.12.14-16.44.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0348-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-azure-4.12.14-16.44.1.noarch.rpm | Linux |
| SUSE-SU-2021:0348-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-azure-4.12.14-16.44.1.noarch.rpm | Linux |
| SUSE-SU-2021:0348-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-azure-4.12.14-16.44.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-4.12.14-122.60.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-4.12.14-122.60.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-debuginfo-4.12.14-122.60.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debuginfo-4.12.14-122.60.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debugsource-4.12.14-122.60.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-4.12.14-122.60.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-debuginfo-4.12.14-122.60.1.x86_64.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-4.12.14-122.60.1.noarch.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-macros-4.12.14-122.60.1.noarch.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-4.12.14-122.60.1.noarch.rpm | Linux |
| SUSE-SU-2021:0353-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-4.12.14-122.60.1.x86_64.rpm | Linux |
| Linux kernel (USN-4749-1) linux-image-gcp_4.15.0.1093.94_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-gke_4.15.0.1079.83_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-gke_4.15.0.1093.94_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-kvm_4.15.0.1085.81_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-oem_4.15.0.136.132_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-azure_4.15.0.1108.99_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-oracle_4.15.0.1065.53_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-aws-hwe_4.15.0.1094.87_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-generic_4.15.0.136.123_i386.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-generic_4.15.0.136.123_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-virtual_4.15.0.136.123_i386.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-virtual_4.15.0.136.123_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-dell300x_4.15.0.1012.14_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-gke-4.15_4.15.0.1079.83_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-lowlatency_4.15.0.136.123_i386.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-lowlatency_4.15.0.136.123_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-aws-lts-18.04_4.15.0.1094.97_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-gcp-lts-18.04_4.15.0.1093.111_amd64.deb | Linux |
| Kernel-uek update (ELSA-2021-9037) kernel-uek-5.4.17-2036.103.3.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9037) kernel-uek-debug-5.4.17-2036.103.3.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9037) kernel-uek-debug-devel-5.4.17-2036.103.3.el8uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9037) kernel-uek-devel-5.4.17-2036.103.3.el8uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9037) kernel-uek-doc-5.4.17-2036.103.3.el8uek.noarch.rpm | Linux |
| Kernel-uek-container update (ELSA-2021-9038) kernel-uek-container-5.4.17-2036.103.3.el8.x86_64.rpm | Linux |
| Kernel-uek-container-debug update (ELSA-2021-9038) kernel-uek-container-debug-5.4.17-2036.103.3.el8.x86_64.rpm | Linux |
| Kernel-uek update (ELSA-2021-9140) kernel-uek-5.4.17-2102.200.13.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9140) kernel-uek-debug-5.4.17-2102.200.13.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9140) kernel-uek-debug-devel-5.4.17-2102.200.13.el8uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9140) kernel-uek-devel-5.4.17-2102.200.13.el8uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9140) kernel-uek-doc-5.4.17-2102.200.13.el8uek.noarch.rpm | Linux |
| Kernel-uek-container update (ELSA-2021-9141) kernel-uek-container-5.4.17-2102.200.13.el8.x86_64.rpm | Linux |
| Kernel-uek-container-debug update (ELSA-2021-9141) kernel-uek-container-debug-5.4.17-2102.200.13.el8.x86_64.rpm | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-1079-gke_4.15.0-1079.84_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-1085-kvm_4.15.0-1085.87_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-1093-gcp_4.15.0-1093.106_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-1094-aws_4.15.0-1094.101_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-1108-azure_4.15.0-1108.120_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-1065-oracle_4.15.0-1065.73_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-136-generic_4.15.0-136.140_i386.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-136-generic_4.15.0-136.140_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-1012-dell300x_4.15.0-1012.16_amd64.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-136-lowlatency_4.15.0-136.140_i386.deb | Linux |
| Linux kernel (USN-4749-1) linux-image-4.15.0-136-lowlatency_4.15.0-136.140_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1033-kvm_5.4.0-1033.34_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1036-gke_5.4.0-1036.38~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1037-gcp_5.4.0-1037.40_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1037-gcp_5.4.0-1037.40~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1038-aws_5.4.0-1038.40_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1038-aws_5.4.0-1038.40~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1010-gkeop_5.4.0-1010.11_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1010-gkeop_5.4.0-1010.11~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1040-azure_5.4.0-1040.42_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1040-azure_5.4.0-1040.42~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-66-generic_5.4.0-66.74_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-66-generic_5.4.0-66.74~18.04.2_i386.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-66-generic_5.4.0-66.74~18.04.2_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1038-oracle_5.4.0-1038.41_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-1038-oracle_5.4.0-1038.41~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-66-lowlatency_5.4.0-66.74_amd64.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-66-lowlatency_5.4.0-66.74~18.04.2_i386.deb | Linux |
| Linux kernel (USN-4750-1) linux-image-5.4.0-66-lowlatency_5.4.0-66.74~18.04.2_amd64.deb | Linux |
| Linux kernel (USN-4751-1) linux-image-5.8.0-44-generic_5.8.0-44.50~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-4751-1) linux-image-5.8.0-44-lowlatency_5.8.0-44.50~20.04.1_amd64.deb | Linux |
| kernel Security Update (ALAS-2021-1588) kernel-livepatch-4.14.214-160.339-1.0-0.amzn2.x86_64.rpm | Linux |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234