github - ghsa-hp2j-q576-5vvw

ghsa-hp2j-q576-5vvw

Vulnerability from github

Published

2024-07-30 09:31

Modified

2024-07-30 09:31

Details

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

s390/dasd: Fix invalid dereferencing of indirect CCW data pointer

Fix invalid dereferencing of indirect CCW data pointer in dasd_eckd_dump_sense() that leads to a kernel panic in error cases.

When using indirect addressing for DASD CCWs (IDAW) the CCW CDA pointer does not contain the data address itself but a pointer to the IDAL. This needs to be translated from physical to virtual as well before using it.

This dereferencing is also used for dasd_page_cache and also fixed although it is very unlikely that this code path ever gets used.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-42099"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-30T08:15:02Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/dasd: Fix invalid dereferencing of indirect CCW data pointer\n\nFix invalid dereferencing of indirect CCW data pointer in\ndasd_eckd_dump_sense() that leads to a kernel panic in error cases.\n\nWhen using indirect addressing for DASD CCWs (IDAW) the CCW CDA pointer\ndoes not contain the data address itself but a pointer to the IDAL.\nThis needs to be translated from physical to virtual as well before\nusing it.\n\nThis dereferencing is also used for dasd_page_cache and also fixed\nalthough it is very unlikely that this code path ever gets used.",
  "id": "GHSA-hp2j-q576-5vvw",
  "modified": "2024-07-30T09:31:51Z",
  "published": "2024-07-30T09:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42099"
    },
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      "url": "https://git.kernel.org/stable/c/b3a58f3b90f564f42a5c35778d8c5107b2c2150b"
    },
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      "url": "https://git.kernel.org/stable/c/c116475f7d6410b1e6d399207ac75de6cf9c3652"
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  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2024-42099

Vulnerability from cvelistv5

Published

2024-07-30 07:45

Modified

2024-11-05 09:37

Severity ?

Summary

s390/dasd: Fix invalid dereferencing of indirect CCW data pointer

References

▼	URL	Tags
	https://git.kernel.org/stable/c/c116475f7d6410b1e6d399207ac75de6cf9c3652
	https://git.kernel.org/stable/c/b3a58f3b90f564f42a5c35778d8c5107b2c2150b

Impacted products

Vendor

Product

Version

▼

Linux

Version: c0bd39601c13
Version: c0bd39601c13

Linux

Version: 6.9

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

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.

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