{"affected":[{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","product":"Red Hat Enterprise Linux 9","source":"CNA: redhat","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:5.14.0-362.8.1.el9_3","versionType":"rpm"}]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","product":"Red Hat Enterprise Linux 6","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","product":"Red Hat Enterprise Linux 7","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","product":"Red Hat Enterprise Linux 8","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 8","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 9","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"V1.1","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2023-3773","cwes":["CWE-125"],"description":"A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to cause a 4 byte out-of-bounds read of XFRMA_MTIMER_THRESH when parsing netlink attributes, leading to potential leakage of sensitive heap data to userspace.","epss":{"date":"2026-11-07","percentile":0.1671,"score":0.00251},"exploits":[],"kev":null,"metrics":[{"score":5.5,"severity":"medium","source":"CNA: redhat","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1794058893918,"publishedAt":1690300060391,"references":[{"source":"CNA: redhat","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2023:6583"},{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2023-3773"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2218944"},{"source":"ADP: CVE","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"],"url":"https://access.redhat.com/errata/RHSA-2023:6583"},{"source":"ADP: CVE","tags":["vdb-entry","x_refsource_REDHAT","x_transferred"],"url":"https://access.redhat.com/security/cve/CVE-2023-3773"},{"source":"ADP: CVE","tags":["issue-tracking","x_refsource_REDHAT","x_transferred"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2218944"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://www.debian.org/security/2023/dsa-5492"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html"}],"remediation":[],"revision":"473c8c47928ee3af4070349e8a41fccf1cf032d5b46132b51d2fc5916e2e9e15","sources":[{"modifiedAt":1794058893918,"name":"CNA: redhat","retrievedAt":1794060505921,"url":"https://www.cve.org/CVERecord?id=CVE-2023-3773"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794064133670,"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-3773"}],"ssvc":{"assessedAt":1741199607598,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Kernel: xfrm: out-of-bounds read of xfrma_mtimer_thresh nlattr","updatedAt":1794064133670}