CVE-2022-49857

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix memory leak in prestera_rxtx_switch_init() When prestera_sdma_switch_init() failed, the memory pointed to by sw->rxtx isn't released. Fix it. Only be compiled, not be tested.

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/31e5084ac6876e52dbb0a1cc4fc18b6c79979f31	Patch
https://git.kernel.org/stable/c/409731df6310a33f4d0a3ef594d2410cdcd637f2	Patch
https://git.kernel.org/stable/c/519b58bbfa825f042fcf80261cc18e1e35f85ffd	Patch
https://git.kernel.org/stable/c/5333cf1b7f6861912aff6263978d4781f9858e47	Patch

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:6.1:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc4::::::

History

07 May 2025, 13:31

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-01 15:16

Updated : 2025-05-07 13:31

NVD link : CVE-2022-49857

Mitre link : CVE-2022-49857

CVE.ORG link : CVE-2022-49857

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"id": "CVE-2022-49857", "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": "2025-05-01T15:16:09.307", "references": [{"url": "https://git.kernel.org/stable/c/31e5084ac6876e52dbb0a1cc4fc18b6c79979f31", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/409731df6310a33f4d0a3ef594d2410cdcd637f2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/519b58bbfa825f042fcf80261cc18e1e35f85ffd", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5333cf1b7f6861912aff6263978d4781f9858e47", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: marvell: prestera: fix memory leak in prestera_rxtx_switch_init()\n\nWhen prestera_sdma_switch_init() failed, the memory pointed to by\nsw->rxtx isn't released. Fix it. Only be compiled, not be tested."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: marvell: prestera: se corrige una fuga de memoria en prestera_rxtx_switch_init(). Cuando prestera_sdma_switch_init() falla, la memoria a la que apunta sw->rxtx no se libera. Se debe corregir. Solo se compilar\u00e1, no se probar\u00e1."}], "lastModified": "2025-05-07T13:31:48.520", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8FE1B8A2-D998-4201-9A2B-A416164DC19B", "versionEndExcluding": "5.10.155", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39DC45D8-E30E-4F4A-9332-393B7BCF6900", "versionEndExcluding": "5.15.79", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C3F26709-7D49-4AF0-8145-46CCF4E8E2AD", "versionEndExcluding": "6.0.9", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}