CVE-2010-2955

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"datePublished": "2010-09-08T19:00:00.000Z", "dateReserved": "2010-08-04T00:00:00.000Z", "dateUpdated": "2024-08-07T02:55:45.505Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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SIOCGIWESSID ioctl call that specifies a large buffer size."}, {"lang": "es", "value": "La funci\u00f3n cfg80211_wext_giwessid en net/wireless/wext-compat.c en el kernel de Linux anterior a v2.6.36-rc3-next-20100831 no inicializa adecuadamente determinadas estructuras de miembros, lo que permite a usuarios locales aprovechar un error off-by-one en la funci\u00f3n net/wireless/wext-core.c y obtener informaci\u00f3n potencialmente sensible desde la memoria din\u00e1mica (heap) del kernel, a trav\u00e9s de vectores que involucran una llamada SIOCGIWESSID ioctl que especifica un gran tama\u00f1o de b\u00fafer."}], "id": "CVE-2010-2955", "lastModified": "2026-06-16T23:21:49.830", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2010-09-08T20:00:03.417", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://forums.grsecurity.net/viewtopic.php?f=3&t=2290"}, {"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/linville/wireless-2.6.git%3Ba=commit%3Bh=42da2f948d949efd0111309f5827bf0298bcc9a4"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://grsecurity.net/~spender/wireless-infoleak-fix2.patch"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party 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{"affected_release": [{"advisory": "RHSA-2010:0771", "cpe": "cpe:/a:redhat:enterprise_mrg:1::el5", "package": "kernel-rt-0:2.6.33.7-rt29.45.el5rt", "product_name": "MRG for RHEL-5", "release_date": "2010-10-14T00:00:00Z"}, {"advisory": "RHSA-2010:0842", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-71.7.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2010-11-10T00:00:00Z"}], "bugzilla": {"description": "kernel: wireless: fix 64K kernel heap content leak via ioctl", "id": "628434", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=628434"}, "csaw": false, "cvss": {"cvss_base_score": "2.1", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "status": "verified"}, "details": ["The cfg80211_wext_giwessid function in net/wireless/wext-compat.c in the Linux kernel before 2.6.36-rc3-next-20100831 does not properly initialize certain structure members, which allows local users to leverage an off-by-one error in the ioctl_standard_iw_point function in net/wireless/wext-core.c, and obtain potentially sensitive information from kernel heap memory, via vectors involving an SIOCGIWESSID ioctl call that specifies a large buffer size."], "name": "CVE-2010-2955", "public_date": "2010-08-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-2955\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-2955"], "statement": "This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and 5 as they did not backport the upstream commit 3d23e349 that had introduced the problem. A future update in Red Hat Enterprise MRG may address this flaw.", "threat_severity": "Moderate"}

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