cve-2022-49931
Vulnerability from cvelistv5
Published
2025-05-01 14:11
Modified
2025-05-04 12:45
Severity ?
EPSS score ?
Summary
IB/hfi1: Correctly move list in sc_disable()
References
{
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"status": "unaffected",
"version": "6.0.8",
"versionType": "semver"
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"status": "unaffected",
"version": "6.1",
"versionType": "original_commit_for_fix"
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/hfi1: Correctly move list in sc_disable()\n\nCommit 13bac861952a (\"IB/hfi1: Fix abba locking issue with sc_disable()\")\nincorrectly tries to move a list from one list head to another. The\nresult is a kernel crash.\n\nThe crash is triggered when a link goes down and there are waiters for a\nsend to complete. The following signature is seen:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000030\n [...]\n Call Trace:\n sc_disable+0x1ba/0x240 [hfi1]\n pio_freeze+0x3d/0x60 [hfi1]\n handle_freeze+0x27/0x1b0 [hfi1]\n process_one_work+0x1b0/0x380\n ? process_one_work+0x380/0x380\n worker_thread+0x30/0x360\n ? process_one_work+0x380/0x380\n kthread+0xd7/0x100\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x1f/0x30\n\nThe fix is to use the correct call to move the list."
}
],
"providerMetadata": {
"dateUpdated": "2025-05-04T12:45:29.516Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"url": "https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e"
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"url": "https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0"
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{
"url": "https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926"
},
{
"url": "https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c"
},
{
"url": "https://git.kernel.org/stable/c/1afac08b39d85437187bb2a92d89a741b1078f55"
}
],
"title": "IB/hfi1: Correctly move list in sc_disable()",
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2022-49931",
"datePublished": "2025-05-01T14:11:08.135Z",
"dateReserved": "2025-05-01T14:05:17.254Z",
"dateUpdated": "2025-05-04T12:45:29.516Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2022-49931\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:19.087\",\"lastModified\":\"2025-05-07T13:29:02.710\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nIB/hfi1: Correctly move list in sc_disable()\\n\\nCommit 13bac861952a (\\\"IB/hfi1: Fix abba locking issue with sc_disable()\\\")\\nincorrectly tries to move a list from one list head to another. The\\nresult is a kernel crash.\\n\\nThe crash is triggered when a link goes down and there are waiters for a\\nsend to complete. The following signature is seen:\\n\\n BUG: kernel NULL pointer dereference, address: 0000000000000030\\n [...]\\n Call Trace:\\n sc_disable+0x1ba/0x240 [hfi1]\\n pio_freeze+0x3d/0x60 [hfi1]\\n handle_freeze+0x27/0x1b0 [hfi1]\\n process_one_work+0x1b0/0x380\\n ? process_one_work+0x380/0x380\\n worker_thread+0x30/0x360\\n ? process_one_work+0x380/0x380\\n kthread+0xd7/0x100\\n ? kthread_complete_and_exit+0x20/0x20\\n ret_from_fork+0x1f/0x30\\n\\nThe fix is to use the correct call to move the list.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: IB/hfi1: Mover correctamente la lista en sc_disable(). El commit 13bac861952a (\\\"IB/hfi1: Solucionar el problema de bloqueo de abba con sc_disable()\\\") intenta mover incorrectamente una lista de una cabecera a otra. Esto provoca un fallo del kernel. El fallo se activa cuando un enlace se cae y hay esperas para que se complete un env\u00edo. Se observa la siguiente firma: ERROR: desreferencia de puntero nulo del kernel, direcci\u00f3n: 000000000000030 [...] Seguimiento de llamadas: sc_disable+0x1ba/0x240 [hfi1] pio_freeze+0x3d/0x60 [hfi1] handle_freeze+0x27/0x1b0 [hfi1] process_one_work+0x1b0/0x380 ? process_one_work+0x380/0x380 worker_thread+0x30/0x360 ? process_one_work+0x380/0x380 kthread+0xd7/0x100 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 La soluci\u00f3n es utilizar la llamada correcta para mover la lista.\"}],\"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\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4.157\",\"versionEndExcluding\":\"5.4.224\",\"matchCriteriaId\":\"BDFAB6A5-9A63-4F7C-919F-15F161381091\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.77\",\"versionEndExcluding\":\"5.10.154\",\"matchCriteriaId\":\"C395A4B6-7D4C-4782-A571-27F4A03657B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.14.16\",\"versionEndExcluding\":\"5.15.78\",\"matchCriteriaId\":\"BCEFCD80-1AE5-488A-B899-FCA4D6012958\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.0.8\",\"matchCriteriaId\":\"EC9A754E-625D-42F3-87A7-960D643E2867\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7E331DA-1FB0-4DEC-91AC-7DA69D461C11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"17F0B248-42CF-4AE6-A469-BB1BAE7F4705\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E2422816-0C14-4B5E-A1E6-A9D776E5C49B\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1afac08b39d85437187bb2a92d89a741b1078f55\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926\",\"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.