{"id":"CVE-2026-93077","revision":"8658ef45d2ac42ed8994f99bf456d880","records":[{"revision":"8658ef45d2ac42ed8994f99bf456d880","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93077","aliases":[],"title":"cxl/features: Clamp Get Feature output size to the remaining buffer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncxl/features: Clamp Get Feature output size to the remaining buffer\n\ncxl_get_feature() reads a feature in a loop but passes a fixed size_out\nas the output capacity every iteration. On the last partial iteration\nthe buffer has less room left, so a device that returns more than asked\ncan overflow feat_out.\n\nUse the per-iter size data_to_rd_size, which already tracks the\nremaining room, as the output capacity.","state":0,"publishedAt":"2026-09-17T16:10:59.026+00:00","modifiedAt":"2026-10-19T09:05:12.937+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/cxl/core/features.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5e5ac21f629de796ab5d598b59c5e468c6fe4f95\",\n                            \"lessThan\": \"b8abbd5c2928fd839dab702244cc57b228ab43aa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5e5ac21f629de796ab5d598b59c5e468c6fe4f95\",\n                            \"lessThan\": \"ca95b15a0760e7724e61addbdd61050be13b6406\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5e5ac21f629de796ab5d598b59c5e468c6fe4f95\",\n                            \"lessThan\": \"2aeb21fe557ef154f0cdf4f9745ebd8d5b31ca83\",\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/cxl/core/features.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/b8abbd5c2928fd839dab702244cc57b228ab43aa","https://git.kernel.org/stable/c/ca95b15a0760e7724e61addbdd61050be13b6406","https://git.kernel.org/stable/c/2aeb21fe557ef154f0cdf4f9745ebd8d5b31ca83"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93077","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93077","identifiers":["CVE-2026-93077"]},"retained":false,"historicalAffected":[]}],"coverage":[]}