GHSA-X9WP-3948-XG4X
Vulnerability from github – Published: 2024-07-16 12:30 – Updated: 2024-08-07 21:31In the Linux kernel, the following vulnerability has been resolved:
scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task
Currently a use-after-free may occur if a sas_task is aborted by the upper layer before we handle the I/O completion in mpi_ssp_completion() or mpi_sata_completion().
In this case, the following are the two steps in handling those I/O completions:
-
Call complete() to inform the upper layer handler of completion of the I/O.
-
Release driver resources associated with the sas_task in pm8001_ccb_task_free() call.
When complete() is called, the upper layer may free the sas_task. As such, we should not touch the associated sas_task afterwards, but we do so in the pm8001_ccb_task_free() call.
Fix by swapping the complete() and pm8001_ccb_task_free() calls ordering.
{
"affected": [],
"aliases": [
"CVE-2022-48792"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-07-16T12:15:03Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task\n\nCurrently a use-after-free may occur if a sas_task is aborted by the upper\nlayer before we handle the I/O completion in mpi_ssp_completion() or\nmpi_sata_completion().\n\nIn this case, the following are the two steps in handling those I/O\ncompletions:\n\n - Call complete() to inform the upper layer handler of completion of\n the I/O.\n\n - Release driver resources associated with the sas_task in\n pm8001_ccb_task_free() call.\n\nWhen complete() is called, the upper layer may free the sas_task. As such,\nwe should not touch the associated sas_task afterwards, but we do so in the\npm8001_ccb_task_free() call.\n\nFix by swapping the complete() and pm8001_ccb_task_free() calls ordering.",
"id": "GHSA-x9wp-3948-xg4x",
"modified": "2024-08-07T21:31:43Z",
"published": "2024-07-16T12:30:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-48792"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d9d93f32534a0a80a1c26bdb0746d90a7b19c2c2"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/df7abcaa1246e2537ab4016077b5443bb3c09378"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f61f9fccb2cb4bb275674a79d638704db6bc2171"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fe9ac3eaa2e387a5742b380b73a5a6bc237bf184"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
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