{"id":"CVE-2026-98755","summary":"tty: vcc: zero-initialize control packet in vcc_send_ctl()","details":"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.","modified":"2026-11-04T14:27:18.458927507Z","published":"2026-10-18T15:47:41.106Z","related":["SUSE-SU-2026:5091-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98755.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1f71f565e3585da1098ff19ca3c24687dab59185"},{"type":"WEB","url":"https://git.kernel.org/stable/c/360111628a968ebc8e6da400b28f23ae317d4e04"},{"type":"WEB","url":"https://git.kernel.org/stable/c/399aa38af1d78001612e3130b2056ea392a355ca"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4335278d0e75395cbfaf71c84b521df56d69e936"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4b59afc8af3143ae03e4f9b81ca66aa5a1c1ebed"},{"type":"WEB","url":"https://git.kernel.org/stable/c/639178bc8e77aad307a9ee5e62471c5dcc8dda67"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6f1a08ef02825b440126c406ea63ef6128888e15"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9e2eedb3611c1a3a377105cb26af52731e826fa5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98755.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98755"},{"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":"8868e44a56160328cd4003d95f4083f64b136e33"},{"fixed":"9e2eedb3611c1a3a377105cb26af52731e826fa5"},{"fixed":"360111628a968ebc8e6da400b28f23ae317d4e04"},{"fixed":"639178bc8e77aad307a9ee5e62471c5dcc8dda67"},{"fixed":"4b59afc8af3143ae03e4f9b81ca66aa5a1c1ebed"},{"fixed":"6f1a08ef02825b440126c406ea63ef6128888e15"},{"fixed":"4335278d0e75395cbfaf71c84b521df56d69e936"},{"fixed":"399aa38af1d78001612e3130b2056ea392a355ca"},{"fixed":"1f71f565e3585da1098ff19ca3c24687dab59185"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-98755.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.14.0"},{"fixed":"5.10.273"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.224"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.191"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.160"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.56"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-98755.json"}}],"schema_version":"1.9.2"}