{"id":"CVE-2026-93077","summary":"cxl/features: Clamp Get Feature output size to the remaining buffer","details":"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.","modified":"2026-09-19T03:47:27.869718845Z","published":"2026-09-17T16:10:59.026Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93077.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2aeb21fe557ef154f0cdf4f9745ebd8d5b31ca83"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b8abbd5c2928fd839dab702244cc57b228ab43aa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ca95b15a0760e7724e61addbdd61050be13b6406"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93077.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93077"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5e5ac21f629de796ab5d598b59c5e468c6fe4f95"},{"fixed":"b8abbd5c2928fd839dab702244cc57b228ab43aa"},{"fixed":"ca95b15a0760e7724e61addbdd61050be13b6406"},{"fixed":"2aeb21fe557ef154f0cdf4f9745ebd8d5b31ca83"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93077.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.15.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93077.json"}}],"schema_version":"1.9.0"}