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CVE-2026-98588 bpf, sockmap: Reject max_entries > INT_MAX in sock_map_alloc

🗓️ 18 Oct 2026 15:19:00Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

Out-of-bounds write in Linux kernel sock_map_free() via large max_entries.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
17 Oct 202616:00
–cnnvd
cve
CVE
CVE-2026-98588
18 Oct 202615:19
–cve
debiancve
Debian CVE
CVE-2026-98588
18 Oct 202615:19
–debiancve
euvd
EUVD
EUVD-2026-103633
18 Oct 202615:19
–euvd
nvd
NVD
CVE-2026-98588
18 Oct 202616:17
–nvd
osv_azl
osv_azl
AZL-108951 CVE-2026-98588 affecting package kernel 6.6.157.1-1
18 Oct 202616:17
–osv_azl
osv_debian
osv_debian
DEBIAN-CVE-2026-98588
18 Oct 202617:47
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-98588
19 Oct 202600:00
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-116807
18 Oct 202600:00
–ptsecurity
susecve
SUSE CVE
SUSE CVE-2026-98588
18 Oct 202623:45
–susecve
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/sock_map.c"
    ],
    "versions": [
      {
        "version": "0d2c4f9640501ff57ba0be1f5644a02c29a02fa1",
        "lessThan": "f4a73f49e256bd835368504462be3b57b03febff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d2c4f9640501ff57ba0be1f5644a02c29a02fa1",
        "lessThan": "c56191af3a578b9cc265fa3bd5fc0752c59c1781",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d2c4f9640501ff57ba0be1f5644a02c29a02fa1",
        "lessThan": "909f761868fda329dc69130ef9eb5b5795bcdf00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d2c4f9640501ff57ba0be1f5644a02c29a02fa1",
        "lessThan": "cc70972ddbf0e3398f2f32624d31db78594d50d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d2c4f9640501ff57ba0be1f5644a02c29a02fa1",
        "lessThan": "cea597519b9ca6d691c98d92460ead8ece2a07af",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d2c4f9640501ff57ba0be1f5644a02c29a02fa1",
        "lessThan": "ba7d627dbc67d62df2fa66d7b41e743c3ace0ec8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d2c4f9640501ff57ba0be1f5644a02c29a02fa1",
        "lessThan": "814a81c842bd88f6bd8a4ce550d560df071a5d03",
        "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_map.c"
    ],
    "versions": [
      {
        "version": "5.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.112",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.55",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.9",
        "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 09:22Current
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