Vulnerability-Lookup

GHSA-7X3V-348Q-CC5H

Vulnerability from github – Published: 2024-10-29 03:31 – Updated: 2026-01-11 18:30

Details

In the Linux kernel, the following vulnerability has been resolved:

blk-mq: setup queue ->tag_set before initializing hctx

Commit 7b815817aa58 ("blk-mq: add helper for checking if one CPU is mapped to specified hctx") needs to check queue mapping via tag set in hctx's cpuhp handler.

However, q->tag_set may not be setup yet when the cpuhp handler is enabled, then kernel oops is triggered.

Fix the issue by setup queue tag_set before initializing hctx.

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2024-50081"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-10-29T01:15:05Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: setup queue -\u003etag_set before initializing hctx\n\nCommit 7b815817aa58 (\"blk-mq: add helper for checking if one CPU is mapped to specified hctx\")\nneeds to check queue mapping via tag set in hctx\u0027s cpuhp handler.\n\nHowever, q-\u003etag_set may not be setup yet when the cpuhp handler is\nenabled, then kernel oops is triggered.\n\nFix the issue by setup queue tag_set before initializing hctx.",
  "id": "GHSA-7x3v-348q-cc5h",
  "modified": "2026-01-11T18:30:26Z",
  "published": "2024-10-29T03:31:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50081"
    },
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      "url": "https://git.kernel.org/stable/c/25466e5b4bb11a8415ce8d0be89ab77135f7e444"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/73d964ce4bc8b4de88a7c2e40df494f0d5cd8950"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c25c0c9035bb8b28c844dfddeda7b8bdbcfcae95"
    },
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      "url": "https://git.kernel.org/stable/c/d28b256db525d9432bc3eb2c8d83f7d3f5e1cc87"
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      "type": "CVSS_V3"
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}

CVE-2024-50081 (GCVE-0-2024-50081)

Vulnerability from cvelistv5 – Published: 2024-10-29 00:50 – Updated: 2026-05-11 20:45

Title

blk-mq: setup queue ->tag_set before initializing hctx

Summary

In the Linux kernel, the following vulnerability has been resolved: blk-mq: setup queue ->tag_set before initializing hctx Commit 7b815817aa58 ("blk-mq: add helper for checking if one CPU is mapped to specified hctx") needs to check queue mapping via tag set in hctx's cpuhp handler. However, q->tag_set may not be setup yet when the cpuhp handler is enabled, then kernel oops is triggered. Fix the issue by setup queue tag_set before initializing hctx.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-01 20:23 UTC

CWE

CWE-noinfo Not enough information

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/73d964ce4bc8b4de8…
https://git.kernel.org/stable/c/25466e5b4bb11a841…
https://git.kernel.org/stable/c/d28b256db525d9432…
https://git.kernel.org/stable/c/c25c0c9035bb8b28c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: ff2d6ef107b1b1ec6b469073b4dda0dc744e343c , < 73d964ce4bc8b4de88a7c2e40df494f0d5cd8950 (git) Affected: dbd0829d2458d7292b82bfc9d02cce23935b198f , < 25466e5b4bb11a8415ce8d0be89ab77135f7e444 (git) Affected: 7b815817aa58d2e2101feb2fcf64c60cae0b2695 , < d28b256db525d9432bc3eb2c8d83f7d3f5e1cc87 (git) Affected: 7b815817aa58d2e2101feb2fcf64c60cae0b2695 , < c25c0c9035bb8b28c844dfddeda7b8bdbcfcae95 (git)
Linux	Linux	Affected: 6.10 Unaffected: 0 , < 6.10 (semver) Unaffected: 6.11.5 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix)

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JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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