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CVE-2026-98801

🗓️ 18 Oct 2026 15:48:47Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

Linux kernel NULL dereference and overflow in SO_RESERVE_MEM for UDP sockets.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-98801 net: restrict SO_RESERVE_MEM to TCP sockets and cap max value
18 Oct 202615:48
–cvelist
debiancve
Debian CVE
CVE-2026-98801
18 Oct 202615:48
–debiancve
euvd
EUVD
EUVD-2026-103886
18 Oct 202615:48
–euvd
nvd
NVD
CVE-2026-98801
18 Oct 202616:17
–nvd
osv_azl
osv_azl
AZL-109077 CVE-2026-98801 affecting package kernel 6.6.157.1-1
18 Oct 202616:17
–osv_azl
osv_debian
osv_debian
DEBIAN-CVE-2026-98801
18 Oct 202617:47
–osv_debian
ptsecurity
Positive Technologies
PT-2026-117020
18 Oct 202600:00
–ptsecurity
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-98801
18 Oct 202600:00
–nessus
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.16–6.12.113
linuxlinux_kernelRange6.13.0–6.18.56
linuxlinux_kernelRange6.19.0–7.2.10
linuxlinux_kernelRange7.3.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/sock.c"
    ],
    "versions": [
      {
        "version": "2bb2f5fb21b0486ff69b7b4a1fe03a760527d133",
        "lessThan": "492e04f9a00f3cc88a1f6899417b10f3019a624e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2bb2f5fb21b0486ff69b7b4a1fe03a760527d133",
        "lessThan": "5069ce898148bd799395c5a464e006cbb840f188",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2bb2f5fb21b0486ff69b7b4a1fe03a760527d133",
        "lessThan": "a467b05b201b5c26be52ed3081992fa9c0387648",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2bb2f5fb21b0486ff69b7b4a1fe03a760527d133",
        "lessThan": "37e02c42a00be692c06343e11779aadc45f45971",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/sock.c"
    ],
    "versions": [
      {
        "version": "5.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "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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19 Oct 2026 10:19Current
5.8Medium risk
Vulners AI Score5.8
EPSS0.00168
5