{"id":"CVE-2026-31746","revision":"65c124679d0a4dc192fedeb75b0d5c91","records":[{"revision":"65c124679d0a4dc192fedeb75b0d5c91","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-31746","aliases":[],"title":"s390/zcrypt: Fix memory leak with CCA cards used as accelerator","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/zcrypt: Fix memory leak with CCA cards used as accelerator\n\nTests showed that there is a memory leak if CCA cards are used as\naccelerator for clear key RSA requests (ME and CRT). With the last\nrework for the memory allocation the AP messages are allocated by\nap_init_apmsg() but for some reason on two places (ME and CRT) the\nolder allocation was still in place. So the first allocation simple\nwas never freed.","state":0,"publishedAt":"2026-05-01T14:14:40.196+00:00","modifiedAt":"2026-10-21T12:39:47.494+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/s390/crypto/zcrypt_msgtype6.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"919b3885c293057061af32dfeb0e20bba4f7a378\",\n                            \"lessThan\": \"1650268579e1113b30402dbcca4dba6589a0fccf\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"57db62a130ce69e6f3a870cf1119d8f860391f97\",\n                            \"lessThan\": \"586222c37d4027dbf60a604fbe820184fee7c1c9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"57db62a130ce69e6f3a870cf1119d8f860391f97\",\n                            \"lessThan\": \"ace37bfec3822033e59fff390f2ff99fc96ebe4f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"57db62a130ce69e6f3a870cf1119d8f860391f97\",\n                            \"lessThan\": \"c8d46f17c2fc7d25c18e60c008928aecab26184d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/s390/crypto/zcrypt_msgtype6.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.22\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19.12\",\n                            \"lessThanOrEqual\": \"6.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/1650268579e1113b30402dbcca4dba6589a0fccf","https://git.kernel.org/stable/c/586222c37d4027dbf60a604fbe820184fee7c1c9","https://git.kernel.org/stable/c/ace37bfec3822033e59fff390f2ff99fc96ebe4f","https://git.kernel.org/stable/c/c8d46f17c2fc7d25c18e60c008928aecab26184d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31746","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-31746","identifiers":["CVE-2026-31746"]},"retained":false,"historicalAffected":[]}],"coverage":[]}