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CVE-2026-74492 netfilter: ipset: do not update comments from kernel-side hash adds

🗓️ 15 Aug 2026 12:27:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Linux kernel ipset use-after-free during mtype_resize() comment pointer handling via packet-side adds.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-74492
15 Aug 202612:27
attackerkb
cve
CVE
CVE-2026-74492
15 Aug 202600:00
cve
euvd
EUVD
EUVD-2026-59685
15 Aug 202615:30
euvd
nvd
NVD
CVE-2026-74492
15 Aug 202613:17
nvd
ptsecurity
Positive Technologies
PT-2026-72944
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/ipset/ip_set_hash_gen.h"
    ],
    "versions": [
      {
        "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465",
        "lessThan": "661ff9c0cfbe07f8eed920dde9f7781491738207",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465",
        "lessThan": "c710e9bf38e4e71a8db85d26a0f70c0674664207",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465",
        "lessThan": "4ae701848e4ba9e9713375fb7d82218cbd309da2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465",
        "lessThan": "77dbb248a5cc7a5270cd37bbb0b635bf059a872a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465",
        "lessThan": "f30415929be8aeb002d557c8d3f7ab2d2188003a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5dd9488ae41070b69d2f4acb580f77db5705f9ca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a469bab3386aebff33c59506f3a95e35b91118fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.4.24",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.5.8",
        "lessThan": "5.6",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/ipset/ip_set_hash_gen.h"
    ],
    "versions": [
      {
        "version": "5.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.151",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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