CVE-2011-1927

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "57A0A2B0-3B9F-40C2-8C7A-CD9590B51315", "versionEndIncluding": "2.6.38.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38:*:*:*:*:*:*:*", "matchCriteriaId": "7462DB6D-E0A6-4DBB-8E21-66B875184FFC", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38:rc1:*:*:*:*:*:*", "matchCriteriaId": "2DDCB342-4F5F-4BF1-9624-882BBC57330D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38:rc2:*:*:*:*:*:*", "matchCriteriaId": "C3AB4113-BF83-4587-8A85-0E4FECEE7D9B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38:rc3:*:*:*:*:*:*", "matchCriteriaId": "4B57F5AD-A697-4090-89B9-81BC12993A1A", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38:rc4:*:*:*:*:*:*", "matchCriteriaId": "CA141BCB-A705-4DF5-9EED-746B62C86111", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38:rc5:*:*:*:*:*:*", "matchCriteriaId": "E9ECE134-58A3-4B9D-B9B3-F836C0EDD64C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38:rc6:*:*:*:*:*:*", "matchCriteriaId": "56186720-6B4C-4D71-85C5-7EAC5C5D84A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38:rc7:*:*:*:*:*:*", "matchCriteriaId": "9BBB4630-CBED-43B9-B203-BE65BBF011AA", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38:rc8:*:*:*:*:*:*", "matchCriteriaId": "FD375A78-63D7-441A-9FB0-7BC878AB4EDD", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38.1:*:*:*:*:*:*:*", "matchCriteriaId": "A5BEFFDD-02BB-4A05-8372-891DBDB9AC5A", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38.2:*:*:*:*:*:*:*", "matchCriteriaId": "766E193D-819C-42EA-8411-AE0013AC15FA", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38.3:*:*:*:*:*:*:*", "matchCriteriaId": "3B39B6AF-6A83-48C2-BED2-79228F8513A6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38.4:*:*:*:*:*:*:*", "matchCriteriaId": "CD8A68D1-DFE9-4ADB-9FB8-4D69AB4CAFF8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38.5:*:*:*:*:*:*:*", "matchCriteriaId": "0D6EF951-AF15-4C30-A3A5-3392AA61813C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38.6:*:*:*:*:*:*:*", "matchCriteriaId": "15154FA0-65DC-4855-AC70-3ACF92313F49", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.38.7:*:*:*:*:*:*:*", "matchCriteriaId": "F4B3A9F4-A61F-4919-A173-3E459F0C5AF8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ip_expire function in net/ipv4/ip_fragment.c in the Linux kernel before 2.6.39 does not properly construct ICMP_TIME_EXCEEDED packets after a timeout, which allows remote attackers to cause a denial of service (invalid pointer dereference) via crafted fragmented packets."}, {"lang": "es", "value": "La funci\u00f3n ip_expire de net/ipv4/ip_fragment.c del kernel de Linux en versiones anteriores a la 2.6.39 no construye apropiadamente paquetes ICMP_TIME_EXCEEDED despu\u00e9s de un timeout. Lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (resoluci\u00f3n de puntero inv\u00e1lido) a trav\u00e9s de paquetes fragmentados modificados."}], "id": "CVE-2011-1927", "lastModified": "2026-06-16T23:30:24.490", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-06-13T10:24:54.343", "references": [{"source": "secalert@redhat.com", "url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39"}, {"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=64f3b9e203bd06855072e295557dca1485a2ecba"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/05/18/2"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch"], "url": "https://github.com/torvalds/linux/commit/64f3b9e203bd06855072e295557dca1485a2ecba"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=64f3b9e203bd06855072e295557dca1485a2ecba"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/05/18/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch"], "url": "https://github.com/torvalds/linux/commit/64f3b9e203bd06855072e295557dca1485a2ecba"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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