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CVE-2026-74709 xsk: clear metadata pointer when no timestamp is requested

🗓️ 22 Aug 2026 15:33:06Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Linux kernel xsk writes unrequested timestamp to user space via changed metadata flags.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-74709
22 Aug 202615:33
cve
euvd
EUVD
EUVD-2026-64396
22 Aug 202618:30
euvd
nvd
NVD
CVE-2026-74709
22 Aug 202616:16
nvd
ptsecurity
Positive Technologies
PT-2026-79714
22 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/xdp_sock.h",
      "net/xdp/xsk.c"
    ],
    "versions": [
      {
        "version": "ca4419f15abd19ba8be1e109661b60f9f5b6c9f0",
        "lessThan": "0ba2e1eb07a826d021344e2f146b6716c58139eb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca4419f15abd19ba8be1e109661b60f9f5b6c9f0",
        "lessThan": "eb4c613d4ebc3f664e70d572b8867ba114a8754e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca4419f15abd19ba8be1e109661b60f9f5b6c9f0",
        "lessThan": "9f60a67df8d3c862503bee62bada8e7089cba438",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9d736c416c9a85f84e15435ba82a177262e745b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.14.2",
        "lessThan": "6.15",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/xdp_sock.h",
      "net/xdp/xsk.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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