GHSA-G66W-7P4M-7W28
Vulnerability from github – Published: 2026-10-18 18:32 – Updated: 2026-10-30 15:33In the Linux kernel, the following vulnerability has been resolved:
tty: vcc: zero-initialize control packet in vcc_send_ctl()
The stack-allocated struct vio_vcc pkt was partially initialized, leaving the tag.stype_env field uninitialized before being sent via ldc_write(), potentially leaking kernel stack data to the LDC peer.
{
"affected": [],
"aliases": [
"CVE-2026-98755"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-10-18T16:17:29Z",
"severity": null
},
"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.",
"id": "GHSA-g66w-7p4m-7w28",
"modified": "2026-10-30T15:33:59Z",
"published": "2026-10-18T18:32:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98755"
},
{
"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"
}
],
"schema_version": "1.4.0",
"severity": []
}
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