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CVE-2026-98052 net: bcmasp: clear txcb->last before writing each descriptor

🗓️ 25 Sep 2026 10:24:00Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

Linux kernel bcmasp flaw leads to premature sk_buff freeing via stale txcb->last field.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c"
    ],
    "versions": [
      {
        "version": "490cb412007de593e07c1d3e2b1ec4233886707c",
        "lessThan": "1e213ba7cb3b9dd97ac2e0a1054e6d0d1d91f5bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "490cb412007de593e07c1d3e2b1ec4233886707c",
        "lessThan": "9b26b54861ce05307d39a54ddedddf8747419614",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "490cb412007de593e07c1d3e2b1ec4233886707c",
        "lessThan": "47a5cecca925ceb175d5adf712e667acf78f475f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "490cb412007de593e07c1d3e2b1ec4233886707c",
        "lessThan": "17e6ad484dea5ddf1c4a3d6ec77a5929161234de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "490cb412007de593e07c1d3e2b1ec4233886707c",
        "lessThan": "18e5e0ec0e9282c897e2aa81a3e43ccaee03b003",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c"
    ],
    "versions": [
      {
        "version": "6.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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03 Oct 2026 11:01Current
CVSS 3.17.8
EPSS0.00128
50