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CVE-2026-98755 tty: vcc: zero-initialize control packet in vcc_send_ctl()

🗓️ 18 Oct 2026 15:47:41Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

Uninitialized field in Linux kernel tty: vcc vcc_send_ctl() leaks kernel stack data.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-98755
18 Oct 202615:47
–cve
debiancve
Debian CVE
CVE-2026-98755
18 Oct 202615:47
–debiancve
euvd
EUVD
EUVD-2026-103840
18 Oct 202615:47
–euvd
nvd
NVD
CVE-2026-98755
18 Oct 202616:17
–nvd
osv_azl
osv_azl
AZL-108725 CVE-2026-98755 affecting package kernel 6.6.157.1-1
18 Oct 202616:17
–osv_azl
osv_debian
osv_debian
DEBIAN-CVE-2026-98755
18 Oct 202617:47
–osv_debian
ptsecurity
Positive Technologies
PT-2026-116974
18 Oct 202600:00
–ptsecurity
susecve
SUSE CVE
SUSE CVE-2026-98755
18 Oct 202623:42
–susecve
ubuntucve
UbuntuCve
CVE-2026-98755
19 Oct 202600:00
–ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-98755
18 Oct 202600:00
–nessus
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tty/vcc.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "6f1a08ef02825b440126c406ea63ef6128888e15",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "4335278d0e75395cbfaf71c84b521df56d69e936",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "399aa38af1d78001612e3130b2056ea392a355ca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "1f71f565e3585da1098ff19ca3c24687dab59185",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "6.12.113",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.56",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "7.2.10",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tty/vcc.c"
    ],
    "versions": [
      {
        "version": "6.12.113",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.56",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.10",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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