{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d5a3b1f691865be576c2bffa708549b8cdccda19"
            },
            {
              "fixed": "ccf481d73bce6e851cec364fe831c86fe66877cf"
            },
            {
              "fixed": "c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf"
            },
            {
              "fixed": "15f1bd8574662f1b7b26aaa2e23ebf4066f0117d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.6.0"
            },
            {
              "fixed": "6.18.51"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89799.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disable preemption in bpf_get_stackid\n\nThe get_perf_callchain call needs disabled preemption plus we need\nit disabled as long as we access its returned trace entries buffer.\n\nNote the bpf_get_stackid_pe function is executed already with\npreemption disabled.",
  "id": "CVE-2026-89799",
  "modified": "2026-09-18T03:30:36.738609128Z",
  "published": "2026-09-16T10:30:31.487Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/15f1bd8574662f1b7b26aaa2e23ebf4066f0117d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ccf481d73bce6e851cec364fe831c86fe66877cf"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89799.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89799"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "bpf: Disable preemption in bpf_get_stackid"
}