{"id":"CVE-2026-98755","revision":"5a7d29ea7b2643cb88300f5e3b90361c","records":[{"revision":"5a7d29ea7b2643cb88300f5e3b90361c","observedAt":"2026-10-26T08:20:49.483+00:00","statement":{"source":"cve-program","id":"CVE-2026-98755","aliases":[],"title":"tty: vcc: zero-initialize control packet in vcc_send_ctl()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: vcc: zero-initialize control packet in vcc_send_ctl()\n\nThe stack-allocated struct vio_vcc pkt was partially initialized,\nleaving the tag.stype_env field uninitialized before being sent via\nldc_write(), potentially leaking kernel stack data to the LDC peer.","state":0,"publishedAt":"2026-10-18T15:47:41.106+00:00","modifiedAt":"2026-10-26T06:55:50.094+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/tty/vcc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"8868e44a56160328cd4003d95f4083f64b136e33\",\n                            \"lessThan\": \"4b59afc8af3143ae03e4f9b81ca66aa5a1c1ebed\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8868e44a56160328cd4003d95f4083f64b136e33\",\n                            \"lessThan\": \"6f1a08ef02825b440126c406ea63ef6128888e15\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8868e44a56160328cd4003d95f4083f64b136e33\",\n                            \"lessThan\": \"4335278d0e75395cbfaf71c84b521df56d69e936\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8868e44a56160328cd4003d95f4083f64b136e33\",\n                            \"lessThan\": \"399aa38af1d78001612e3130b2056ea392a355ca\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8868e44a56160328cd4003d95f4083f64b136e33\",\n                            \"lessThan\": \"1f71f565e3585da1098ff19ca3c24687dab59185\",\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/tty/vcc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.113\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.56\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.10\",\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/4b59afc8af3143ae03e4f9b81ca66aa5a1c1ebed","https://git.kernel.org/stable/c/6f1a08ef02825b440126c406ea63ef6128888e15","https://git.kernel.org/stable/c/4335278d0e75395cbfaf71c84b521df56d69e936","https://git.kernel.org/stable/c/399aa38af1d78001612e3130b2056ea392a355ca","https://git.kernel.org/stable/c/1f71f565e3585da1098ff19ca3c24687dab59185"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98755","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98755","identifiers":["CVE-2026-98755"]},"retained":false,"historicalAffected":[]}],"coverage":[]}