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vuln-cve/data/2026/64xxx/CVE-2026-64163.json
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{
"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": "2026-10-30T12:27:39.441Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:27:39.441Z"
},
"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": "29ec976006dfab171a7e007976e38af56ce286e4",
"status": "affected",
"versionType": "git"
},
{
"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": "6.1.191",
"lessThanOrEqual": "6.1.*",
"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": "6.1.191"
},
{
"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/29ec976006dfab171a7e007976e38af56ce286e4"
},
{
"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"
}
}
}
}
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