{"id":"CVE-2020-29568","state":"PUBLISHED","title":"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 t","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.","publishedAt":"2020-12-15T16:52:04.000Z","updatedAt":"2024-08-04T16:55:10.345Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://xenbits.xenproject.org/xsa/advisory-349.html","https://www.debian.org/security/2021/dsa-4843","https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html","https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html","https://security.gentoo.org/glsa/202107-30"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:16.535Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/29xxx/CVE-2020-29568.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-29568","state":"PUBLISHED","datePublished":"2020-12-15T16:52:04.000Z","dateUpdated":"2024-08-04T16:55:10.345Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2020-12-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://xenbits.xenproject.org/xsa/advisory-349.html","tags":["x_refsource_MISC"]},{"url":"https://www.debian.org/security/2021/dsa-4843","name":"DSA-4843","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html","name":"[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html","name":"[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://security.gentoo.org/glsa/202107-30","name":"GLSA-202107-30","tags":["vendor-advisory","x_refsource_GENTOO"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2021-07-12T04:06:12.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-29568","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://xenbits.xenproject.org/xsa/advisory-349.html","refsource":"MISC","url":"https://xenbits.xenproject.org/xsa/advisory-349.html"},{"name":"DSA-4843","refsource":"DEBIAN","url":"https://www.debian.org/security/2021/dsa-4843"},{"name":"[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"},{"name":"[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"},{"name":"GLSA-202107-30","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202107-30"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://xenbits.xenproject.org/xsa/advisory-349.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.debian.org/security/2021/dsa-4843","name":"DSA-4843","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html","name":"[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html","name":"[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202107-30","name":"GLSA-202107-30","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T16:55:10.345Z"}}]}}}