CVE-2023-52653

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix a memleak in gss_import_v2_context The ctx->mech_used.data allocated by kmemdup is not freed in neither gss_import_v2_context nor it only caller gss_krb5_import_sec_context, which frees ctx on error. Thus, this patch reform the last call of gss_import_v2_context to the gss_krb5_import_ctx_v2, preventing the memleak while keepping the return formation.

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/32a15b6a9a0ac326ca65ce988a1ba046517af3d5
https://git.kernel.org/stable/c/47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4	Patch
https://git.kernel.org/stable/c/99044c01ed5329e73651c054d8a4baacdbb1a27c	Patch
https://git.kernel.org/stable/c/d111e30d9cd846bb368faf3637dc0f71fcbcf822	Patch
https://git.kernel.org/stable/c/e67b652d8e8591d3b1e569dbcdfcee15993e91fa	Patch
https://git.kernel.org/stable/c/47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4	Patch
https://git.kernel.org/stable/c/99044c01ed5329e73651c054d8a4baacdbb1a27c	Patch
https://git.kernel.org/stable/c/d111e30d9cd846bb368faf3637dc0f71fcbcf822	Patch
https://git.kernel.org/stable/c/e67b652d8e8591d3b1e569dbcdfcee15993e91fa	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::::::::

History

30 Oct 2026, 13:17

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/32a15b6a9a0ac326ca65ce988a1ba046517af3d5 -

Information

Published : 2024-05-01 13:15

Updated : 2026-10-30 13:17

NVD link : CVE-2023-52653

Mitre link : CVE-2023-52653

CVE.ORG link : CVE-2023-52653

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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"https://git.kernel.org/stable/c/d111e30d9cd846bb368faf3637dc0f71fcbcf822", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/e67b652d8e8591d3b1e569dbcdfcee15993e91fa", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "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\nSUNRPC: fix a memleak in gss_import_v2_context\n\nThe ctx->mech_used.data allocated by kmemdup is not freed in neither\ngss_import_v2_context nor it only caller gss_krb5_import_sec_context,\nwhich frees ctx on error.\n\nThus, this patch reform the last call of gss_import_v2_context to the\ngss_krb5_import_ctx_v2, preventing the memleak while keepping the return\nformation."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: SUNRPC: corrige una fuga de memport en gss_import_v2_context El ctx->mech_used.data asignado por kmemdup no se libera ni en gss_import_v2_context ni solo en el llamador gss_krb5_import_sec_context, lo que libera a ctx en caso de error. Por lo tanto, este parche reforma la \u00faltima llamada de gss_import_v2_context a gss_krb5_import_ctx_v2, evitando la fuga de memoria y manteniendo la formaci\u00f3n de retorno."}], "lastModified": "2026-10-30T13:17:15.997", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1F8D96F4-196B-4871-9DD2-A7179DCCD865", "versionEndExcluding": "6.6.23", "versionStartIncluding": "2.6.35"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9B95D3A6-E162-47D5-ABFC-F3FA74FA7CFD", "versionEndExcluding": "6.7.11", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "543A75FF-25B8-4046-A514-1EA8EDD87AB1", "versionEndExcluding": "6.8.2", "versionStartIncluding": "6.8"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}