{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-93077", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T15:57:05.661Z", "datePublished": "2026-09-17T16:10:59.026Z", "dateUpdated": "2026-10-19T09:05:12.937Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:05:12.937Z" }, "descriptions": [ { "lang": "en", "value": "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." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/cxl/core/features.c" ], "versions": [ { "version": "5e5ac21f629de796ab5d598b59c5e468c6fe4f95", "lessThan": "b8abbd5c2928fd839dab702244cc57b228ab43aa", "status": "affected", "versionType": "git" }, { "version": "5e5ac21f629de796ab5d598b59c5e468c6fe4f95", "lessThan": "ca95b15a0760e7724e61addbdd61050be13b6406", "status": "affected", "versionType": "git" }, { "version": "5e5ac21f629de796ab5d598b59c5e468c6fe4f95", "lessThan": "2aeb21fe557ef154f0cdf4f9745ebd8d5b31ca83", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/cxl/core/features.c" ], "versions": [ { "version": "6.15", "status": "affected" }, { "version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.18.52" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.2.6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/b8abbd5c2928fd839dab702244cc57b228ab43aa" }, { "url": "https://git.kernel.org/stable/c/ca95b15a0760e7724e61addbdd61050be13b6406" }, { "url": "https://git.kernel.org/stable/c/2aeb21fe557ef154f0cdf4f9745ebd8d5b31ca83" } ], "title": "cxl/features: Clamp Get Feature output size to the remaining buffer", "x_generator": { "engine": "bippy-1.2.0" } } } }