{"cve":"CVE-2010-2955","nvd":{"published":"2010-09-08T20:00:03.417","modified":"2026-06-16T23:21:49.830","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-193"],"references":["http://forums.grsecurity.net/viewtopic.php?f=3&t=2290","http://git.kernel.org/?p=linux/kernel/git/linville/wireless-2.6.git%3Ba=commit%3Bh=42da2f948d949efd0111309f5827bf0298bcc9a4","http://grsecurity.net/~spender/wireless-infoleak-fix2.patch","http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html","http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html"],"products":["canonical:ubuntu_linux","linux:linux_kernel","opensuse:opensuse","suse:linux_enterprise_desktop","suse:linux_enterprise_real_time_extension","suse:linux_enterprise_server"],"source":"nvd","synced_at":"2026-10-19T19:56:26.512081652+00:00"},"epss":{"cve":"CVE-2010-2955","score":0.00415,"percentile":0.35808,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}