Vulnerability-Lookup

GHSA-5W96-CQCP-75R4

Vulnerability from github – Published: 2024-05-03 18:30 – Updated: 2025-07-17 18:31

Details

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

thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR

In some case, the GDDV returns a package with a buffer which has zero length. It causes that kmemdup() returns ZERO_SIZE_PTR (0x10).

Then the data_vault_read() got NULL point dereference problem when accessing the 0x10 value in data_vault.

[ 71.024560] BUG: kernel NULL pointer dereference, address: 0000000000000010

This patch uses ZERO_OR_NULL_PTR() for checking ZERO_SIZE_PTR or NULL value in data_vault.

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-2022-48703"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-03T16:15:08Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR\n\nIn some case, the GDDV returns a package with a buffer which has\nzero length. It causes that kmemdup() returns ZERO_SIZE_PTR (0x10).\n\nThen the data_vault_read() got NULL point dereference problem when\naccessing the 0x10 value in data_vault.\n\n[   71.024560] BUG: kernel NULL pointer dereference, address:\n0000000000000010\n\nThis patch uses ZERO_OR_NULL_PTR() for checking ZERO_SIZE_PTR or\nNULL value in data_vault.",
  "id": "GHSA-5w96-cqcp-75r4",
  "modified": "2025-07-17T18:31:03Z",
  "published": "2024-05-03T18:30:36Z",
  "references": [
    {
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-48703"
    },
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  "severity": [
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      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-48703 (GCVE-0-2022-48703)

Vulnerability from cvelistv5 – Published: 2024-05-03 15:14 – Updated: 2025-07-17 16:55

Title

thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR

Summary

In the Linux kernel, the following vulnerability has been resolved: thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR In some case, the GDDV returns a package with a buffer which has zero length. It causes that kmemdup() returns ZERO_SIZE_PTR (0x10). Then the data_vault_read() got NULL point dereference problem when accessing the 0x10 value in data_vault. [ 71.024560] BUG: kernel NULL pointer dereference, address: 0000000000000010 This patch uses ZERO_OR_NULL_PTR() for checking ZERO_SIZE_PTR or NULL value in data_vault.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/39d5137085a6c37ac…
	https://git.kernel.org/stable/c/dae42083b045a4ddf…
	https://git.kernel.org/stable/c/7931e28098a4c1a2a…

Impacted products

Vendor

Product

Version

Linux

Affected: 0ba13c763aacb27ab32bde5d559bf40e88465921 , < 39d5137085a6c37ace4680ee4d24020a4a03e7dc (git)
Affected: 0ba13c763aacb27ab32bde5d559bf40e88465921 , < dae42083b045a4ddf71c57cf350cb2412b5915c2 (git)
Affected: 0ba13c763aacb27ab32bde5d559bf40e88465921 , < 7931e28098a4c1a2a6802510b0cbe57546d2049d (git)

Linux

Affected: 5.8
Unaffected: 0 , < 5.8 (semver)
Unaffected: 5.15.189 , ≤ 5.15.* (semver)
Unaffected: 5.19.9 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)

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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-5W96-CQCP-75R4

CVE-2022-48703 (GCVE-0-2022-48703)

Tags

Sightings

Nomenclature