CVE-2026-43419

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leaks in ceph_mdsc_build_path() Add __putname() calls to error code paths that did not free the "path" pointer obtained by __getname(). If ownership of this pointer is not passed to the caller via path_info.path, the function must free it before returning.

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/040d159a45ded7f33201421a81df0aa2a86e5a0b	Patch
https://git.kernel.org/stable/c/097cd68f46686391a98f2618188f0cb7b7570de2	Patch
https://git.kernel.org/stable/c/13b8b9d6f59ef17fb96c298c3a0d62a8306950cc	Patch
https://git.kernel.org/stable/c/5895d0164c84d7fec6abc198920c257f55c51899	Patch
https://git.kernel.org/stable/c/657dc653b06a3cc0282aea447a3f137fa94066a4	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::::::::
	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:7.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc3::::::

History

No history.

Information

Published : 2026-05-08 15:16

Updated : 2026-06-17 10:49

NVD link : CVE-2026-43419

Mitre link : CVE-2026-43419

CVE.ORG link : CVE-2026-43419

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"id": "CVE-2026-43419", "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}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3fd945a79e147ee10f84213976889b29049c3519", "lessThan": "657dc653b06a3cc0282aea447a3f137fa94066a4", "versionType": "git"}, {"status": "affected", "version": "3fd945a79e147ee10f84213976889b29049c3519", "lessThan": "5895d0164c84d7fec6abc198920c257f55c51899", "versionType": "git"}, {"status": "affected", "version": "3fd945a79e147ee10f84213976889b29049c3519", "lessThan": "097cd68f46686391a98f2618188f0cb7b7570de2", "versionType": "git"}, {"status": "affected", "version": "3fd945a79e147ee10f84213976889b29049c3519", "lessThan": "13b8b9d6f59ef17fb96c298c3a0d62a8306950cc", "versionType": "git"}, {"status": "affected", "version": "3fd945a79e147ee10f84213976889b29049c3519", "lessThan": "040d159a45ded7f33201421a81df0aa2a86e5a0b", "versionType": "git"}, {"status": "affected", "version": "0f2b2d9e881c90402dbe28f9ba831775b7992e1f", "versionType": "git"}, {"status": "affected", "version": "d42ad3f161a5a487f81915c406f46943c7187a0a", "versionType": "git"}, {"status": "affected", "version": "e4b168c64da06954be5d520f6c16469b1cadc069", "versionType": "git"}, {"status": "affected", "version": "5.10.234", "lessThan": "5.11", "versionType": "semver"}, {"status": "affected", "version": "5.15.177", "lessThan": "5.16", "versionType": "semver"}, {"status": "affected", "version": "6.1.125", "lessThan": "6.2", "versionType": "semver"}], "programFiles": ["fs/ceph/mds_client.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"status": "unaffected", "version": "0", "lessThan": "6.6", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.130", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.78", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.19", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.9", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/ceph/mds_client.c"], "defaultStatus": "affected"}]}], "published": "2026-05-08T15:16:53.910", "references": [{"url": "https://git.kernel.org/stable/c/040d159a45ded7f33201421a81df0aa2a86e5a0b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/097cd68f46686391a98f2618188f0cb7b7570de2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/13b8b9d6f59ef17fb96c298c3a0d62a8306950cc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5895d0164c84d7fec6abc198920c257f55c51899", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/657dc653b06a3cc0282aea447a3f137fa94066a4", "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\nceph: fix memory leaks in ceph_mdsc_build_path()\n\nAdd __putname() calls to error code paths that did not free the \"path\"\npointer obtained by __getname(). If ownership of this pointer is not\npassed to the caller via path_info.path, the function must free it\nbefore returning."}], "lastModified": "2026-06-17T10:49:33.723", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF7E79CD-AA80-4015-972A-8ACCA95CECAC", "versionEndExcluding": "5.11", "versionStartIncluding": "5.10.234"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7712769-8C45-40C2-9103-061BA8C27C78", "versionEndExcluding": "5.16", "versionStartIncluding": "5.15.177"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "11083F03-2811-4C72-9E18-287C2EE4B3BE", "versionEndExcluding": "6.2", "versionStartIncluding": "6.1.125"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20D3CF9B-537B-4CCA-B3D7-83398AACD7D0", "versionEndExcluding": "6.6.130", "versionStartIncluding": "6.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28D591F5-B196-4CC9-905C-DC80F116E7A8", "versionEndExcluding": "6.12.78", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D394AC60-6F28-435F-872A-CCDF384B8331", "versionEndExcluding": "6.18.19", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E825E7C3-FEAC-4FD3-8A81-78D7387948C9", "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}