Vulnerability-Lookup

GHSA-7RXW-GV4W-F8W6

Vulnerability from github – Published: 2024-05-21 18:31 – Updated: 2025-01-06 21:30

Details

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

usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()

It is possible that typec_register_partner() returns ERR_PTR on failure. When port->partner is an error, a NULL pointer dereference may occur as shown below.

[91222.095236][ T319] typec port0: failed to register partner (-17) ... [91225.061491][ T319] Unable to handle kernel NULL pointer dereference at virtual address 000000000000039f [91225.274642][ T319] pc : tcpm_pd_data_request+0x310/0x13fc [91225.274646][ T319] lr : tcpm_pd_data_request+0x298/0x13fc [91225.308067][ T319] Call trace: [91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc [91225.308073][ T319] tcpm_pd_rx_handler+0x100/0x9e8 [91225.355900][ T319] kthread_worker_fn+0x178/0x58c [91225.355902][ T319] kthread+0x150/0x200 [91225.355905][ T319] ret_from_fork+0x10/0x30

Add a check for port->partner to avoid dereferencing a NULL pointer.

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-2023-52877"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T16:15:24Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()\n\nIt is possible that typec_register_partner() returns ERR_PTR on failure.\nWhen port-\u003epartner is an error, a NULL pointer dereference may occur as\nshown below.\n\n[91222.095236][  T319] typec port0: failed to register partner (-17)\n...\n[91225.061491][  T319] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000039f\n[91225.274642][  T319] pc : tcpm_pd_data_request+0x310/0x13fc\n[91225.274646][  T319] lr : tcpm_pd_data_request+0x298/0x13fc\n[91225.308067][  T319] Call trace:\n[91225.308070][  T319]  tcpm_pd_data_request+0x310/0x13fc\n[91225.308073][  T319]  tcpm_pd_rx_handler+0x100/0x9e8\n[91225.355900][  T319]  kthread_worker_fn+0x178/0x58c\n[91225.355902][  T319]  kthread+0x150/0x200\n[91225.355905][  T319]  ret_from_fork+0x10/0x30\n\nAdd a check for port-\u003epartner to avoid dereferencing a NULL pointer.",
  "id": "GHSA-7rxw-gv4w-f8w6",
  "modified": "2025-01-06T21:30:49Z",
  "published": "2024-05-21T18:31:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52877"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-52877 (GCVE-0-2023-52877)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:32 – Updated: 2026-05-11 19:34

Title

usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()

Summary

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm() It is possible that typec_register_partner() returns ERR_PTR on failure. When port->partner is an error, a NULL pointer dereference may occur as shown below. [91222.095236][ T319] typec port0: failed to register partner (-17) ... [91225.061491][ T319] Unable to handle kernel NULL pointer dereference at virtual address 000000000000039f [91225.274642][ T319] pc : tcpm_pd_data_request+0x310/0x13fc [91225.274646][ T319] lr : tcpm_pd_data_request+0x298/0x13fc [91225.308067][ T319] Call trace: [91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc [91225.308073][ T319] tcpm_pd_rx_handler+0x100/0x9e8 [91225.355900][ T319] kthread_worker_fn+0x178/0x58c [91225.355902][ T319] kthread+0x150/0x200 [91225.355905][ T319] ret_from_fork+0x10/0x30 Add a check for port->partner to avoid dereferencing a NULL pointer.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-06-10 19:16 UTC

Assigner

Linux mitre root Scorecard

References

5 references

URL	Tags
https://git.kernel.org/stable/c/e5f53a68a596e04df…
https://git.kernel.org/stable/c/e7a802447c491903a…
https://git.kernel.org/stable/c/9ee038590d808a95d…
https://git.kernel.org/stable/c/b37a168c013715604…
https://git.kernel.org/stable/c/4987daf86c152ff88…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 5e1d4c49fbc86dab6e005d66f066bd53c9479cde , < e5f53a68a596e04df3fde3099273435a30b6fdac (git) Affected: 5e1d4c49fbc86dab6e005d66f066bd53c9479cde , < e7a802447c491903aa7cb45967aa2a934a4e63fc (git) Affected: 5e1d4c49fbc86dab6e005d66f066bd53c9479cde , < 9ee038590d808a95d16adf92818dcd4752273c08 (git) Affected: 5e1d4c49fbc86dab6e005d66f066bd53c9479cde , < b37a168c0137156042a0ca9626651b5a789e822b (git) Affected: 5e1d4c49fbc86dab6e005d66f066bd53c9479cde , < 4987daf86c152ff882d51572d154ad12e4ff3a4b (git)
Linux	Linux	Affected: 5.12 Unaffected: 0 , < 5.12 (semver) Unaffected: 5.15.138 , ≤ 5.15.* (semver) Unaffected: 6.1.62 , ≤ 6.1.* (semver) Unaffected: 6.5.11 , ≤ 6.5.* (semver) Unaffected: 6.6.1 , ≤ 6.6.* (semver) Unaffected: 6.7 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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                "timestamp": "2024-06-10T19:16:07.522837Z",
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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.
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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.

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.
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GHSA-7RXW-GV4W-F8W6

CVE-2023-52877 (GCVE-0-2023-52877)

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