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CVE-2026-89580 bpf: Disable preemption in __bpf_get_stack

🗓️ 11 Sep 2026 19:44:46Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

Out-of-bounds write in Linux kernel __bpf_get_stack from missing preemption on callchain copy.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/stackmap.c"
    ],
    "versions": [
      {
        "version": "c195651e565ae7f41a68acb7d4aa7390ad215de1",
        "lessThan": "719e69421de28829c72bf8a2722ab48a1c5a59ad",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c195651e565ae7f41a68acb7d4aa7390ad215de1",
        "lessThan": "8c5ba022f2085ea42d011497a6e92e527d123b9b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c195651e565ae7f41a68acb7d4aa7390ad215de1",
        "lessThan": "dbfecc8a6631c0d3626c14ba1f1a485a4498445a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c195651e565ae7f41a68acb7d4aa7390ad215de1",
        "lessThan": "9a23747909fcae707990c8466c381a0e7acfaa4e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c195651e565ae7f41a68acb7d4aa7390ad215de1",
        "lessThan": "b1a47b2708d4e95dbd23aee2ec83752190897b3f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/stackmap.c"
    ],
    "versions": [
      {
        "version": "4.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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21 Oct 2026 12:47Current
CVSS 3.17.8
EPSS0.00129
SSVC
44