{ "id": "CVE-2026-31431", "url": "https://spydr.io/cve/CVE-2026-31431", "published": "2026-04-22T09:16:21.270Z", "modified": "2026-09-08T15:13:07.273Z", "score": 7.8, "severity": "high", "cvss_version": "3.1", "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "score_source": "CNA", "epss": 0.03437, "epss_percentile": 0.88591, "exploited": true, "kev": { "added": "2026-05-01", "due": "2026-05-15", "action": "\"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.", "ransomware": "Unknown", "name": "Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability", "notes": "https://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh/; https://xint.io/blog/copy-fail-linux-distributions#the-fix-6 ; https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/about/ ; https://nvd.nist.gov/vuln/detail/CVE-2026-31431" }, "ssvc_exploitation": "active", "vendors": [ "Linux", "Red Hat", "Siemens" ], "products": [ "Linux", "Red Hat NVIDIA for RHEL 10", "Red Hat Enterprise Linux 10", "Red Hat Enterprise Linux 10.0 Extended Update Support", "Red Hat Enterprise Linux 8", "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On", "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions", "Red Hat Enterprise Linux 9", "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "Red Hat Enterprise Linux 9.4 Extended Update Support", "Red Hat Enterprise Linux 9.6 Extended Update Support", "Red Hat OpenShift Container Platform 4.12", "Red Hat OpenShift Container Platform 4.13", "Red Hat OpenShift Container Platform 4.14" ], "cwes": [ "CWE-669", "CWE-1288" ], "description": "In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif_aead since the source and destination come from different mappings. Get rid of all the complexity added for in-place operation and just copy the AD directly.", "status": "Analyzed", "score_type": "Secondary", "scores": { "cvss_v40": null, "cvss_v31": 7.8, "cvss_v30": null }, "references": [ { "url": "https://git.kernel.org/stable/c/19d43105a97be0810edbda875f2cd03f30dc130c", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/3115af9644c342b356f3f07a4dd1c8905cd9a6fc", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/893d22e0135fa394db81df88697fba6032747667", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/8b88d99341f139e23bdeb1027a2a3ae10d341d82", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/961cfa271a918ad4ae452420e7c303149002875b", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8", "tags": [ "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/29/23", "tags": [ "Exploit", "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/29/25", "tags": [ "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/29/26", "tags": [ "Exploit", "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/10", "tags": [ "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/11", "tags": [ "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/12", "tags": [ "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/14", "tags": [ "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/15", "tags": [ "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/16", "tags": [ "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/17", "tags": [ "Mailing List" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/18", "tags": [ "Exploit", "Mailing List" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/2", "tags": [ "Mailing List" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/20", "tags": [ "Mailing List" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/5", "tags": [ "Exploit", "Mailing List", "Patch" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/04/30/6", "tags": [ "Mailing List" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/05/01/10", "tags": [ "Mailing List" ] }, { "url": "http://www.openwall.com/lists/oss-security/2026/05/01/12", "tags": [ "Mailing List" ] } ], "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31431", "covered_in": [], "attribution": [ { "source": "NVD", "url": "https://nvd.nist.gov", "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD." }, { "source": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "notice": "Known exploited vulnerabilities from the CISA KEV catalog." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss", "notice": "Exploit prediction scores from FIRST EPSS." } ] }