CVE-2026-72434

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: make sure gc is properly stopped Sashiko noticed that when destroying a set, cancel_delayed_work_sync() was called while gc calls queue_delayed_work() unconditionally which can lead not to properly shutting down the gc.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/12088da6add5b003657c8506c5b0fcef835083b8
https://git.kernel.org/stable/c/4a597a87e2e2f608edb6be2c510dc826b4fdfb53
https://git.kernel.org/stable/c/c78bd5195a5998094a5866df702fbeafda60dafb
https://git.kernel.org/stable/c/c940d1b96248c3081b664ede5418078bdc7c8c07

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-15 06:22

Updated : 2026-08-17 06:19

NVD link : CVE-2026-72434

Mitre link : CVE-2026-72434

CVE.ORG link : CVE-2026-72434

JSON object : View

Products Affected

No product.

CWE

No CWE.

{"id": "CVE-2026-72434", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "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": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "c940d1b96248c3081b664ede5418078bdc7c8c07", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "12088da6add5b003657c8506c5b0fcef835083b8", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "c78bd5195a5998094a5866df702fbeafda60dafb", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "4a597a87e2e2f608edb6be2c510dc826b4fdfb53", "versionType": "git"}, {"status": "affected", "version": "5dd9488ae41070b69d2f4acb580f77db5705f9ca", "versionType": "git"}, {"status": "affected", "version": "a469bab3386aebff33c59506f3a95e35b91118fd", "versionType": "git"}, {"status": "affected", "version": "5.4.24", "lessThan": "5.5", "versionType": "semver"}, {"status": "affected", "version": "5.5.8", "lessThan": "5.6", "versionType": "semver"}], "programFiles": ["net/netfilter/ipset/ip_set_hash_gen.h"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.6"}, {"status": "unaffected", "version": "0", "lessThan": "5.6", "versionType": "semver"}, {"status": "unaffected", "version": "6.12.97", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.40", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.5", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/netfilter/ipset/ip_set_hash_gen.h"], "defaultStatus": "affected"}]}], "published": "2026-08-15T06:22:17.247", "references": [{"url": "https://git.kernel.org/stable/c/12088da6add5b003657c8506c5b0fcef835083b8", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4a597a87e2e2f608edb6be2c510dc826b4fdfb53", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c78bd5195a5998094a5866df702fbeafda60dafb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c940d1b96248c3081b664ede5418078bdc7c8c07", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: make sure gc is properly stopped\n\nSashiko noticed that when destroying a set,\ncancel_delayed_work_sync() was called while gc\ncalls queue_delayed_work() unconditionally which\ncan lead not to properly shutting down the gc."}], "lastModified": "2026-08-17T06:19:10.710", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}