cve-2024-44958
Vulnerability from cvelistv5
Published
2024-09-04 18:35
Modified
2024-12-19 09:19
Severity ?
EPSS score ?
Summary
sched/smt: Fix unbalance sched_smt_present dec/inc
References
{
"containers": {
"adp": [
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"metrics": [
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"other": {
"content": {
"id": "CVE-2024-44958",
"options": [
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"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-10T17:39:57.304687Z",
"version": "2.0.3"
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"dateUpdated": "2024-09-12T17:33:36.235Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
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"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"kernel/sched/core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
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"programFiles": [
"kernel/sched/core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.20"
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{
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"status": "unaffected",
"version": "0",
"versionType": "semver"
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"version": "5.15.165",
"versionType": "semver"
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"status": "unaffected",
"version": "6.1.105",
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{
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"status": "unaffected",
"version": "6.6.46",
"versionType": "semver"
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{
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"status": "unaffected",
"version": "6.10.5",
"versionType": "semver"
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{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.11",
"versionType": "original_commit_for_fix"
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/smt: Fix unbalance sched_smt_present dec/inc\n\nI got the following warn report while doing stress test:\n\njump label: negative count!\nWARNING: CPU: 3 PID: 38 at kernel/jump_label.c:263 static_key_slow_try_dec+0x9d/0xb0\nCall Trace:\n \u003cTASK\u003e\n __static_key_slow_dec_cpuslocked+0x16/0x70\n sched_cpu_deactivate+0x26e/0x2a0\n cpuhp_invoke_callback+0x3ad/0x10d0\n cpuhp_thread_fun+0x3f5/0x680\n smpboot_thread_fn+0x56d/0x8d0\n kthread+0x309/0x400\n ret_from_fork+0x41/0x70\n ret_from_fork_asm+0x1b/0x30\n \u003c/TASK\u003e\n\nBecause when cpuset_cpu_inactive() fails in sched_cpu_deactivate(),\nthe cpu offline failed, but sched_smt_present is decremented before\ncalling sched_cpu_deactivate(), it leads to unbalanced dec/inc, so\nfix it by incrementing sched_smt_present in the error path."
}
],
"providerMetadata": {
"dateUpdated": "2024-12-19T09:19:07.283Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"references": [
{
"url": "https://git.kernel.org/stable/c/2a3548c7ef2e135aee40e7e5e44e7d11b893e7c4"
},
{
"url": "https://git.kernel.org/stable/c/2cf7665efe451e48d27953e6b5bc627d518c902b"
},
{
"url": "https://git.kernel.org/stable/c/65727331b60197b742089855ac09464c22b96f66"
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"url": "https://git.kernel.org/stable/c/d0c87a3c6be10a57aa3463c32c3fc6b2a47c3dab"
},
{
"url": "https://git.kernel.org/stable/c/e22f910a26cc2a3ac9c66b8e935ef2a7dd881117"
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],
"title": "sched/smt: Fix unbalance sched_smt_present dec/inc",
"x_generator": {
"engine": "bippy-5f407fcff5a0"
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},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-44958",
"datePublished": "2024-09-04T18:35:56.655Z",
"dateReserved": "2024-08-21T05:34:56.666Z",
"dateUpdated": "2024-12-19T09:19:07.283Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2024-44958\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-04T19:15:30.580\",\"lastModified\":\"2024-10-10T17:56:24.467\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nsched/smt: Fix unbalance sched_smt_present dec/inc\\n\\nI got the following warn report while doing stress test:\\n\\njump label: negative count!\\nWARNING: CPU: 3 PID: 38 at kernel/jump_label.c:263 static_key_slow_try_dec+0x9d/0xb0\\nCall Trace:\\n \u003cTASK\u003e\\n __static_key_slow_dec_cpuslocked+0x16/0x70\\n sched_cpu_deactivate+0x26e/0x2a0\\n cpuhp_invoke_callback+0x3ad/0x10d0\\n cpuhp_thread_fun+0x3f5/0x680\\n smpboot_thread_fn+0x56d/0x8d0\\n kthread+0x309/0x400\\n ret_from_fork+0x41/0x70\\n ret_from_fork_asm+0x1b/0x30\\n \u003c/TASK\u003e\\n\\nBecause when cpuset_cpu_inactive() fails in sched_cpu_deactivate(),\\nthe cpu offline failed, but sched_smt_present is decremented before\\ncalling sched_cpu_deactivate(), it leads to unbalanced dec/inc, so\\nfix it by incrementing sched_smt_present in the error path.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sched/smt: Corregir desequilibrio en sched_smt_present dec/inc Recib\u00ed el siguiente informe de advertencia mientras realizaba una prueba de estr\u00e9s: etiqueta de salto: \u00a1recuento negativo! ADVERTENCIA: CPU: 3 PID: 38 en kernel/jump_label.c:263 static_key_slow_try_dec+0x9d/0xb0 Seguimiento de llamadas: __static_key_slow_dec_cpuslocked+0x16/0x70 sched_cpu_deactivate+0x26e/0x2a0 cpuhp_invoke_callback+0x3ad/0x10d0 cpuhp_thread_fun+0x3f5/0x680 smpboot_thread_fn+0x56d/0x8d0 kthread+0x309/0x400 ret_from_fork+0x41/0x70 ret_from_fork_asm+0x1b/0x30 Porque cuando cpuset_cpu_inactive() falla en sched_cpu_deactivate(), la CPU fuera de l\u00ednea fall\u00f3, pero sched_smt_present se decrementa antes de llamar a sched_cpu_deactivate(), esto genera un dec/inc desequilibrado, por lo que debe solucionarlo incrementando sched_smt_present en la ruta de error.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.14.86\",\"versionEndExcluding\":\"4.15\",\"matchCriteriaId\":\"4B10ECDC-134F-409F-8DC5-1B38E76D5478\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.19.7\",\"versionEndExcluding\":\"4.20\",\"matchCriteriaId\":\"BFCE51A8-A708-49F5-B629-C107F587C29F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.15.165\",\"matchCriteriaId\":\"4F2025E4-76F7-4500-8020-B236CD18654A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.105\",\"matchCriteriaId\":\"89BEB24B-0F37-4C92-A397-564DA7CD8EE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.46\",\"matchCriteriaId\":\"FA11941E-81FB-484C-B583-881EEB488340\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.5\",\"matchCriteriaId\":\"D074AE50-4A5E-499C-A2FD-75FD60DEA560\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2a3548c7ef2e135aee40e7e5e44e7d11b893e7c4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2cf7665efe451e48d27953e6b5bc627d518c902b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/65727331b60197b742089855ac09464c22b96f66\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d0c87a3c6be10a57aa3463c32c3fc6b2a47c3dab\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e22f910a26cc2a3ac9c66b8e935ef2a7dd881117\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.