CVE-2021-47415

In the Linux kernel, the following vulnerability has been resolved: iwlwifi: mvm: Fix possible NULL dereference In __iwl_mvm_remove_time_event() check that 'te_data->vif' is NULL before dereferencing it.

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/24d5f16e407b75bc59d5419b957a9cab423b2681	Patch
https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920	Patch
https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681	Patch
https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc4::::::

History

31 Dec 2024, 18:51

Type	Values Removed	Values Added
CWE		CWE-476
First Time		Linux linux Kernel Linux
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
References	~~() https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681 -~~	() https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681 - Patch
References	~~() https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920 -~~	() https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920 - Patch
CPE		cpe:2.3:o:linux:linux_kernel:5.15:rc4:::::: cpe:2.3:o:linux:linux_kernel:5.15:rc1:::::: cpe:2.3:o:linux:linux_kernel:5.15:rc3:::::: cpe:2.3:o:linux:linux_kernel:5.15:rc2:::::: cpe:2.3:o:linux:linux_kernel::::::::

Information

Published : 2024-05-21 15:15

Updated : 2024-12-31 18:51

NVD link : CVE-2021-47415

Mitre link : CVE-2021-47415

CVE.ORG link : CVE-2021-47415

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2021-47415", "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}]}, "published": "2024-05-21T15:15:26.983", "references": [{"url": "https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niwlwifi: mvm: Fix possible NULL dereference\n\nIn __iwl_mvm_remove_time_event() check that 'te_data->vif' is NULL\nbefore dereferencing it."}, {"lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iwlwifi: mvm: Corrige posible desreferencia NULL En __iwl_mvm_remove_time_event() comprueba que 'te_data->vif' sea NULL antes de desreferenciarlo."}], "lastModified": "2024-12-31T18:51:37.767", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0212F5AF-8179-4A29-9B5A-E9060BD1F240", "versionEndExcluding": "5.14.12", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E46C74C6-B76B-4C94-A6A4-FD2FFF62D644"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "60134C3A-06E4-48C1-B04F-2903732A4E56"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0460DA88-8FE1-46A2-9DDA-1F1ABA552E71"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AF55383D-4DF2-45DC-93F7-571F4F978EAB"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}