{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64163",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.038Z",
        "datePublished": "2026-07-19T15:40:49.172Z",
        "dateUpdated": "2026-07-19T15:40:49.172Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-19T15:40:49.172Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntest_kprobes: clear kprobes between test runs\n\nRunning the kprobes sanity tests twice makes all tests fail and\neventually crashes the kernel.\n\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n   # Totals: pass:5 fail:0 skip:0 total:5\n   ok 1 kprobes_test\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n  # test_kprobe: EXPECTATION FAILED at lib/tests/test_kprobes.c:64\n  Expected 0 == register_kprobe(&kp), but\n      register_kprobe(&kp) == -22 (0xffffffffffffffea)\n...\n  Unable to handle kernel paging request ...\n\nThe testsuite defines several kprobes and kretprobes as static variables\nthat are preserved across test runs.\n\nAfter register_kprobe and unregister_kprobe, a kprobe contains some\nleftover data that must be cleared before the kprobe can be registered\nagain. The tests are setting symbol_name to define the probe location.\nAddress and flags must be cleared.\n\nThe existing code clears some of the probes between subsequent tests, but\nnot between two test runs. The leftover data from a previous test run\nmakes the registrations fail in the next run.\n\nMove the cleanups for all kprobes into kprobes_test_init, this function\nis called before each single test (including the first test of a test\nrun)."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "lib/tests/test_kprobes.c"
                    ],
                    "versions": [
                        {
                            "version": "e44e81c5b90f698025eadceb7eef8661eda117d5",
                            "lessThan": "08d355936fcf70c81c94f9fe7310450b65c53399",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e44e81c5b90f698025eadceb7eef8661eda117d5",
                            "lessThan": "accc0004c501a9918313142282b094d408af06fb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e44e81c5b90f698025eadceb7eef8661eda117d5",
                            "lessThan": "1c24cf1fd67f6702c719ab73499392cb7af956ae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e44e81c5b90f698025eadceb7eef8661eda117d5",
                            "lessThan": "96515819d79f356f40da5540968d838ea570fab9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e44e81c5b90f698025eadceb7eef8661eda117d5",
                            "lessThan": "ef5581bb30efb939cc2bf093475c6cc85258e5cd",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "lib/tests/test_kprobes.c"
                    ],
                    "versions": [
                        {
                            "version": "5.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.142",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.92",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.34",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.11",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.6.142"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.12.92"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.18.34"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "7.0.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/08d355936fcf70c81c94f9fe7310450b65c53399"
                },
                {
                    "url": "https://git.kernel.org/stable/c/accc0004c501a9918313142282b094d408af06fb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1c24cf1fd67f6702c719ab73499392cb7af956ae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/96515819d79f356f40da5540968d838ea570fab9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ef5581bb30efb939cc2bf093475c6cc85258e5cd"
                }
            ],
            "title": "test_kprobes: clear kprobes between test runs",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}