{"id":"CVE-2026-64598","revision":"a04b3739a6e14df8ac00a2bdf66dcd07","records":[{"revision":"a04b3739a6e14df8ac00a2bdf66dcd07","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-64598","aliases":[],"title":"smb/client: Fix error code in smb2_aead_req_alloc()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/client: Fix error code in smb2_aead_req_alloc()\n\nThe \"*num_sgs\" variable is a u32 so \"ERR_PTR(*num_sgs)\" doesn't work.\nWe would have to do something similar to the previous line where it's\ncast to int and then long.  However, it's simpler to store the return in\nan int ret variable.\n\nThis bug would eventually result in a crash when dereference the invalid\nerror pointer.","state":0,"publishedAt":"2026-08-06T07:13:52.716+00:00","modifiedAt":"2026-10-19T20:48:43.611+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                        \"fs/smb/client/smb2ops.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d08089f649a0cfb2099c8551ac47eef0cc23fdf2\",\n                            \"lessThan\": \"aa37f5fef78dd11cbf983269da2031e12625c56d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d08089f649a0cfb2099c8551ac47eef0cc23fdf2\",\n                            \"lessThan\": \"cad756733dc3985188983f3e2eb77e2927209099\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d08089f649a0cfb2099c8551ac47eef0cc23fdf2\",\n                            \"lessThan\": \"a187883cc1dc784a4d32537f5d316f1b7b9ad76f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d08089f649a0cfb2099c8551ac47eef0cc23fdf2\",\n                            \"lessThan\": \"a1cc432cb0b0a1f74f98a0db3b94ca880c7947ac\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d08089f649a0cfb2099c8551ac47eef0cc23fdf2\",\n                            \"lessThan\": \"61f28012e5650c619223decdb7970e0d3162e949\",\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                        \"fs/smb/client/smb2ops.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.3\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.145\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.96\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.39\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.4\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/aa37f5fef78dd11cbf983269da2031e12625c56d","https://git.kernel.org/stable/c/cad756733dc3985188983f3e2eb77e2927209099","https://git.kernel.org/stable/c/a187883cc1dc784a4d32537f5d316f1b7b9ad76f","https://git.kernel.org/stable/c/a1cc432cb0b0a1f74f98a0db3b94ca880c7947ac","https://git.kernel.org/stable/c/61f28012e5650c619223decdb7970e0d3162e949"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64598","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-64598","identifiers":["CVE-2026-64598"]},"retained":false,"historicalAffected":[]}],"coverage":[]}