CVE-2011-1478

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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": "9988A98F-3440-467E-8ADA-1E413DC25C21", "versionEndExcluding": "2.6.38", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The napi_reuse_skb function in net/core/dev.c in the Generic Receive Offload (GRO) implementation in the Linux kernel before 2.6.38 does not reset the values of certain structure members, which might allow remote attackers to cause a denial of service (NULL pointer dereference) via a malformed VLAN frame."}, {"lang": "es", "value": "La funci\u00f3n napi_reuse_skb de net/core/dev.c en la implementaci\u00f3n Generic Receive Offload (GRO) en el kernel de Linux anteriores a v2.6.38 no restablece los valores de algunos miembros de la estructura, lo que podr\u00eda permitir a atacantes remotos provocar una denegaci\u00f3n de servicio (puntero a NULL) a trav\u00e9s de una manupulaci\u00f3n de una trama VLAN."}], "id": "CVE-2011-1478", "lastModified": "2026-06-16T23:29:27.600", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 5.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 5.5, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-10-23T10:55:02.953", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=66c46d741e2e60f0e8b625b80edb0ab820c46d7a"}, {"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6d152e23ad1a7a5b40fef1f42e017d66e6115159"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.38"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2011/03/28/1"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/46397"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://securityreason.com/securityalert/8480"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=691270"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=66c46d741e2e60f0e8b625b80edb0ab820c46d7a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6d152e23ad1a7a5b40fef1f42e017d66e6115159"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.38"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2011/03/28/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/46397"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://securityreason.com/securityalert/8480"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=691270"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Ryan Sweat for reporting this issue.", "affected_release": [{"advisory": "RHSA-2011:0429", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-238.9.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-04-12T00:00:00Z"}, {"advisory": "RHSA-2011:0421", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-71.24.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-04-08T00:00:00Z"}, {"advisory": "RHSA-2011:1253", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:2.6.33.9-rt31.75.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2011-09-12T00:00:00Z"}], "bugzilla": {"description": "kernel: gro: reset dev and skb_iff on skb reuse", "id": "691270", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=691270"}, "csaw": false, "cvss": {"cvss_base_score": "5.7", "cvss_scoring_vector": "AV:A/AC:M/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["The napi_reuse_skb function in net/core/dev.c in the Generic Receive Offload (GRO) implementation in the Linux kernel before 2.6.38 does not reset the values of certain structure members, which might allow remote attackers to cause a denial of service (NULL pointer dereference) via a malformed VLAN frame."], "name": "CVE-2011-1478", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_mrg:1", "fix_state": "Affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 1"}], "public_date": "2011-02-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-1478\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1478"], "statement": "This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not support Generic Receive Offload (GRO). It has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0429.html, https://rhn.redhat.com/errata/RHSA-2011-0421.html and https://rhn.redhat.com/errata/RHSA-2011-1253.html.", "threat_severity": "Moderate"}

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