CVE-2024-56660

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: DR, prevent potential error pointer dereference The dr_domain_add_vport_cap() function generally returns NULL on error but sometimes we want it to return ERR_PTR(-EBUSY) so the caller can retry. The problem here is that "ret" can be either -EBUSY or -ENOMEM and if it's and -ENOMEM then the error pointer is propogated back and eventually dereferenced in dr_ste_v0_build_src_gvmi_qpn_tag().

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/11776cff0b563c8b8a4fa76cab620bfb633a8cb8	Patch
https://git.kernel.org/stable/c/325cf73a1b449fea3158ab99d03a7a717aad1618	Patch
https://git.kernel.org/stable/c/61f720e801443d4e2a3c0261eda4ad8431458dca	Patch
https://git.kernel.org/stable/c/a59c61a1869ceefc65ef02886f91e8cd0062211f	Patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.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:6.13:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.13:rc2::::::

History

No history.

Information

Published : 2024-12-27 15:15

Updated : 2025-11-03 21:18

NVD link : CVE-2024-56660

Mitre link : CVE-2024-56660

CVE.ORG link : CVE-2024-56660

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2024-56660", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-12-27T15:15:25.857", "references": [{"url": "https://git.kernel.org/stable/c/11776cff0b563c8b8a4fa76cab620bfb633a8cb8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/325cf73a1b449fea3158ab99d03a7a717aad1618", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/61f720e801443d4e2a3c0261eda4ad8431458dca", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a59c61a1869ceefc65ef02886f91e8cd0062211f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: DR, prevent potential error pointer dereference\n\nThe dr_domain_add_vport_cap() function generally returns NULL on error\nbut sometimes we want it to return ERR_PTR(-EBUSY) so the caller can\nretry. The problem here is that \"ret\" can be either -EBUSY or -ENOMEM\nand if it's and -ENOMEM then the error pointer is propogated back and\neventually dereferenced in dr_ste_v0_build_src_gvmi_qpn_tag()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: DR, evitar la posible desreferencia del puntero de error La funci\u00f3n dr_domain_add_vport_cap() generalmente devuelve NULL en caso de error, pero a veces queremos que devuelva ERR_PTR(-EBUSY) para que el autor de la llamada pueda volver a intentarlo. El problema aqu\u00ed es que \"ret\" puede ser -EBUSY o -ENOMEM y si es y -ENOMEM, entonces el puntero de error se propaga de vuelta y finalmente se desreferencia en dr_ste_v0_build_src_gvmi_qpn_tag()."}], "lastModified": "2025-11-03T21:18:15.750", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D8DA16A0-9C6E-493E-90EE-309A34901477", "versionEndExcluding": "6.1.121", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF4F2CD1-2CA6-4D6B-9B0C-57C3C4D6544A", "versionEndExcluding": "6.6.67", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0CB1A9BB-F95E-43DD-A2FD-147912FD91E5", "versionEndExcluding": "6.12.6", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}