CVE-2024-56698

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Fix looping of queued SG entries The dwc3_request->num_queued_sgs is decremented on completion. If a partially completed request is handled, then the dwc3_request->num_queued_sgs no longer reflects the total number of num_queued_sgs (it would be cleared). Correctly check the number of request SG entries remained to be prepare and queued. Failure to do this may cause null pointer dereference when accessing non-existent SG entry.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/0247da93bf62d33304b7bf97850ebf2a86e06d28	Patch
https://git.kernel.org/stable/c/1534f6f69393aac773465d80d31801b554352627	Patch
https://git.kernel.org/stable/c/70777a23a54e359cfdfafc625a57cd56434f3859	Patch
https://git.kernel.org/stable/c/8ceb21d76426bbe7072cc3e43281e70c0d664cc7	Patch
https://git.kernel.org/stable/c/b7c3d0b59213ebeedff63d128728ce0b3d7a51ec	Patch
https://git.kernel.org/stable/c/b7fc65f5141c24785dc8c19249ca4efcf71b3524	Patch
https://git.kernel.org/stable/c/c9e72352a10ae89a430449f7bfeb043e75c255d9	Patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2024-12-28 10:15

Updated : 2025-11-03 21:18

NVD link : CVE-2024-56698

Mitre link : CVE-2024-56698

CVE.ORG link : CVE-2024-56698

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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If a\npartially completed request is handled, then the\ndwc3_request->num_queued_sgs no longer reflects the total number of\nnum_queued_sgs (it would be cleared).\n\nCorrectly check the number of request SG entries remained to be prepare\nand queued. Failure to do this may cause null pointer dereference when\naccessing non-existent SG entry."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: dwc3: gadget: Se corrige el bucle de entradas SG en cola. El dwc3_request->num_queued_sgs se reduce al completarse. Si se gestiona una solicitud parcialmente completada, entonces el dwc3_request->num_queued_sgs ya no refleja el n\u00famero total de num_queued_sgs (se borrar\u00eda). Verifique correctamente el n\u00famero de entradas SG de solicitud que quedan por preparar y poner en cola. Si no lo hace, puede causar una desreferencia de puntero nulo al acceder a una entrada SG inexistente."}], "lastModified": "2025-11-03T21:18:20.570", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DA959B78-996E-495B-82A6-CCF300A94875", "versionEndExcluding": "5.10.231", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "419FD073-1517-4FD5-8158-F94BC68A1E89", "versionEndExcluding": "5.15.174", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "09AC6122-E2A4-40FE-9D33-268A1B2EC265", "versionEndExcluding": "6.1.120", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA16DEE3-ABEC-4449-9F4A-7A3DC4FC36C7", "versionEndExcluding": "6.6.64", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21434379-192D-472F-9B54-D45E3650E893", "versionEndExcluding": "6.11.11", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D8882B1B-2ABC-4838-AC1D-DBDBB5764776", "versionEndExcluding": "6.12.2", "versionStartIncluding": "6.12"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}