{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-52746", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()\n\n int type = nla_type(nla);\n\n if (type > XFRMA_MAX) {\n return -EOPNOTSUPP;\n }\n\n@type is then used as an array index and can be used\nas a Spectre v1 gadget.\n\n if (nla_len(nla) < compat_policy[type].len) {\n\narray_index_nospec() can be used to prevent leaking\ncontent of kernel memory to malicious users." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "5106f4a8acff", "version_value": "a893cc644812" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.168", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.94", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.12", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/a893cc644812728e86e9aff517fd5698812ecef0", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/a893cc644812728e86e9aff517fd5698812ecef0" }, { "url": "https://git.kernel.org/stable/c/5dc688fae6b7be9dbbf5304a3d2520d038e06db5", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/5dc688fae6b7be9dbbf5304a3d2520d038e06db5" }, { "url": "https://git.kernel.org/stable/c/419674224390fca298020fc0751a20812f84b12d", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/419674224390fca298020fc0751a20812f84b12d" }, { "url": "https://git.kernel.org/stable/c/b6ee896385380aa621102e8ea402ba12db1cabff", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/b6ee896385380aa621102e8ea402ba12db1cabff" } ] }, "generator": { "engine": "bippy-9e1c9544281a" } }