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CVE-2026-89799 bpf: Disable preemption in bpf_get_stackid

🗓️ 16 Sep 2026 10:30:31Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

Missing preemption disable in Linux kernel bpf_get_stackid via get_perf_callchain.

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": "d5a3b1f691865be576c2bffa708549b8cdccda19",
        "lessThan": "18c71e4b65ee60b8611fc071bdd7159f10185117",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5a3b1f691865be576c2bffa708549b8cdccda19",
        "lessThan": "ccf481d73bce6e851cec364fe831c86fe66877cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5a3b1f691865be576c2bffa708549b8cdccda19",
        "lessThan": "c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5a3b1f691865be576c2bffa708549b8cdccda19",
        "lessThan": "15f1bd8574662f1b7b26aaa2e23ebf4066f0117d",
        "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": "4.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.5",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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21 Sep 2026 13:15Current
CVSS 3.17.8
EPSS0.00163
30