CVE-2023-53189

{"id": "CVE-2023-53189", "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": "2025-09-15T14:15:41.150", "references": [{"url": "https://git.kernel.org/stable/c/06a0716949c22e2aefb648526580671197151acc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1f656e483eb4733d62f18dfb206a49b78f60f495", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2ad31ce40e8182860b631e37209e93e543790b7c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/436b7cc7eae7851c184b671ed7a4a64c750b86f7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/82abd1c37d3bf2a2658b34772c17a25a6f9cca42", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c6395e32935d35e6f935e7caf1c2dac5a95943b4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c7eeba47058532f6077d6a658e38b6698f6ae71a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/df62fdcd004afa72ecbed0e862ebb983acd3aa57", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-191"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6/addrconf: fix a potential refcount underflow for idev\n\nNow in addrconf_mod_rs_timer(), reference idev depends on whether\nrs_timer is not pending. Then modify rs_timer timeout.\n\nThere is a time gap in [1], during which if the pending rs_timer\nbecomes not pending. It will miss to hold idev, but the rs_timer\nis activated. Thus rs_timer callback function addrconf_rs_timer()\nwill be executed and put idev later without holding idev. A refcount\nunderflow issue for idev can be caused by this.\n\n\tif (!timer_pending(&idev->rs_timer))\n\t\tin6_dev_hold(idev);\n\t\t <--------------[1]\n\tmod_timer(&idev->rs_timer, jiffies + when);\n\nTo fix the issue, hold idev if mod_timer() return 0."}], "lastModified": "2025-12-02T02:55:18.420", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2834C78B-D3CD-4979-B569-A95F5FB8D3E0", "versionEndExcluding": "4.14.322", "versionStartIncluding": "3.10.105"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D2D2CA9F-4CC4-4AF5-8C6D-E58415AB782E", "versionEndExcluding": "4.19.291", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7FA663C4-CA72-4B5A-8592-7354D978F58E", "versionEndExcluding": "5.4.251", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "43CAE50A-4A6C-488E-813C-F8DB77C13C8B", "versionEndExcluding": "5.10.188", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EC77775B-EC31-4966-966C-1286C02B2A85", "versionEndExcluding": "5.15.121", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "69315BCC-36D2-45CD-84F8-381EDF8E38F3", "versionEndExcluding": "6.1.40", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "923F6AEA-C2EF-4B08-B038-69A18F3D41F8", "versionEndExcluding": "6.4.5", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0B3E6E4D-E24E-4630-B00C-8C9901C597B0"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}