ghsa-84g6-j698-p58m
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
scsi: lpfc: Fix list_add() corruption in lpfc_drain_txq()
When parsing the txq list in lpfc_drain_txq(), the driver attempts to pass the requests to the adapter. If such an attempt fails, a local "fail_msg" string is set and a log message output. The job is then added to a completions list for cancellation.
Processing of any further jobs from the txq list continues, but since "fail_msg" remains set, jobs are added to the completions list regardless of whether a wqe was passed to the adapter. If successfully added to txcmplq, jobs are added to both lists resulting in list corruption.
Fix by clearing the fail_msg string after adding a job to the completions list. This stops the subsequent jobs from being added to the completions list unless they had an appropriate failure.
{
"affected": [],
"aliases": [
"CVE-2021-47203"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-04-10T19:15:48Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Fix list_add() corruption in lpfc_drain_txq()\n\nWhen parsing the txq list in lpfc_drain_txq(), the driver attempts to pass\nthe requests to the adapter. If such an attempt fails, a local \"fail_msg\"\nstring is set and a log message output. The job is then added to a\ncompletions list for cancellation.\n\nProcessing of any further jobs from the txq list continues, but since\n\"fail_msg\" remains set, jobs are added to the completions list regardless\nof whether a wqe was passed to the adapter. If successfully added to\ntxcmplq, jobs are added to both lists resulting in list corruption.\n\nFix by clearing the fail_msg string after adding a job to the completions\nlist. This stops the subsequent jobs from being added to the completions\nlist unless they had an appropriate failure.",
"id": "GHSA-84g6-j698-p58m",
"modified": "2024-04-10T21:30:31Z",
"published": "2024-04-10T21:30:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47203"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/16bcbfb56d759c25665f786e33ec633b9508a08f"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/814d3610c4ce86e8cf285b2cdac0057a42e82de5"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/99154581b05c8fb22607afb7c3d66c1bace6aa5d"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ad4776b5eb2e58af1226847fcd3b4f6d051674dd"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b291d147d0268e93ad866f8bc820ea14497abc9b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c097bd5a59162156d9c2077a2f58732ffbaa9fca"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ec70d80a8642900086447ba0cdc79e3f44d42e8f"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f05a0191b90156e539cccc189b9d87ca2a4d9305"
}
],
"schema_version": "1.4.0",
"severity": []
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- 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.