{"cve":{"cve_id":"CVE-2010-2955","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00415,"epss_percentile":0.3304,"epss_as_of":"2026-06-23","description":"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.","published_at":"2010-09-08T19:00:00Z","last_modified_at":"2026-06-16T23:21:49.830000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-193"],"nvd_references":["http://www.ubuntu.com/usn/USN-1000-1","http://www.redhat.com/support/errata/RHSA-2010-0771.html","http://www.securityfocus.com/bid/42885","http://git.kernel.org/?p=linux/kernel/git/linville/wireless-2.6.git%3Ba=commit%3Bh=42da2f948d949efd0111309f5827bf0298bcc9a4","http://lkml.org/lkml/2010/8/30/127","http://grsecurity.net/~spender/wireless-infoleak-fix2.patch","http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html","http://lkml.org/lkml/2010/8/30/351","http://www.redhat.com/support/errata/RHSA-2010-0842.html","http://www.openwall.com/lists/oss-security/2010/08/31/1","http://www.vupen.com/english/advisories/2011/0298","http://lkml.org/lkml/2010/8/27/413","http://forums.grsecurity.net/viewtopic.php?f=3&t=2290","https://bugzilla.redhat.com/show_bug.cgi?id=628434","http://secunia.com/advisories/41245","http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.36-rc3-next-20100831.bz2","http://lkml.org/lkml/2010/8/30/146","http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:05:33.244399Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"9.10","version_start_inclusive":true,"version_end":"9.10","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"9.04","version_start_inclusive":true,"version_end":"9.04","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"6.06","version_start_inclusive":true,"version_end":"6.06","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"8.04","version_start_inclusive":true,"version_end":"8.04","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"10.10","version_start_inclusive":true,"version_end":"10.10","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*"},{"vendor_slug":"canonical","vendor_name":"Canonical","product_slug":"ubuntu-linux","product_name":"Ubuntu Linux","version_start":"10.04","version_start_inclusive":true,"version_end":"10.04","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":null,"version_start_inclusive":null,"version_end":"2.6.36","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"2.6.36","version_start_inclusive":true,"version_end":"2.6.36","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:2.6.36:-:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"2.6.36","version_start_inclusive":true,"version_end":"2.6.36","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:2.6.36:rc1:*:*:*:*:*:*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux-kernel","product_name":"Linux kernel","version_start":"2.6.36","version_start_inclusive":true,"version_end":"2.6.36","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:linux:linux_kernel:2.6.36:rc2:*:*:*:*:*:*"},{"vendor_slug":"opensuse","vendor_name":"openSUSE","product_slug":"opensuse","product_name":"opensuse","version_start":"11.1","version_start_inclusive":true,"version_end":"11.1","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:opensuse:opensuse:11.1:*:*:*:*:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise-desktop","product_name":"linux_enterprise_desktop","version_start":"11","version_start_inclusive":true,"version_end":"11","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise_desktop:11:-:*:*:*:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise-real-time-extension","product_name":"linux_enterprise_real_time_extension","version_start":"11","version_start_inclusive":true,"version_end":"11","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise_real_time_extension:11:sp1:*:*:*:*:*:*"},{"vendor_slug":"suse","vendor_name":"SUSE","product_slug":"linux-enterprise-server","product_name":"linux_enterprise_server","version_start":"11","version_start_inclusive":true,"version_end":"11","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:suse:linux_enterprise_server:11:-:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.ubuntu.com/usn/USN-1000-1","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2010-0771.html","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/42885","source_type":"MISC","tags":[]},{"url":"http://git.kernel.org/?p=linux/kernel/git/linville/wireless-2.6.git%3Ba=commit%3Bh=42da2f948d949efd0111309f5827bf0298bcc9a4","source_type":"MISC","tags":[]},{"url":"http://lkml.org/lkml/2010/8/30/127","source_type":"MISC","tags":[]},{"url":"http://grsecurity.net/~spender/wireless-infoleak-fix2.patch","source_type":"MISC","tags":["patch"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://lkml.org/lkml/2010/8/30/351","source_type":"MISC","tags":[]},{"url":"http://www.redhat.com/support/errata/RHSA-2010-0842.html","source_type":"MISC","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2010/08/31/1","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.vupen.com/english/advisories/2011/0298","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://lkml.org/lkml/2010/8/27/413","source_type":"MISC","tags":[]},{"url":"http://forums.grsecurity.net/viewtopic.php?f=3&t=2290","source_type":"MISC","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=628434","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/41245","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.36-rc3-next-20100831.bz2","source_type":"MISC","tags":["patch"]},{"url":"http://lkml.org/lkml/2010/8/30/146","source_type":"MISC","tags":[]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html","source_type":"MAILING_LIST","tags":["mailing-list"]}],"timeline":[{"type":"published","at":"2010-09-08T19:00:00Z","label":"CVE published","source":null}]}