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CVE-2026-63799

🗓️ 19 Jul 2026 12:02:06Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

CVE-2026-63799: Fix out-of-bounds clear_bit for MM_CID_UNSET in per-CPU CID fixup to prevent memory corruption.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-63799
19 Jul 202612:02
attackerkb
Cvelist
CVE-2026-63799 sched/mmcid: Fix OOB clear_bit when CID is MM_CID_UNSET in fixup path
19 Jul 202612:02
cvelist
EUVD
EUVD-2026-45465
19 Jul 202612:02
euvd
NVD
CVE-2026-63799
19 Jul 202612:16
nvd
OSV
DEBIAN-CVE-2026-63799
19 Jul 202615:48
osv
Positive Technologies
PT-2026-61115
19 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.197.1.3
linuxlinux_kernelRange7.2.07.2-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/sched/core.c"
    ],
    "versions": [
      {
        "version": "fbd0e71dc370af73f6b316e4de9eed273dd90340",
        "lessThan": "8d32856fb72ba976d9c87ba405fd17e80419934c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fbd0e71dc370af73f6b316e4de9eed273dd90340",
        "lessThan": "de3ab9bd3133899efb92e4cd05ba4203e58fc0a3",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/sched/core.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.3",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Jul 2026 12:16Current
5.7Medium risk
Vulners AI Score5.7
4