CVE-2010-2955

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Summary

CVECVE-2010-2955
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2010-09-08 20:00:03 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 2.1 from [email protected]

AV:L/AC:L/Au:N/C:P/I:N/A:N

Problem Types: CWE-193 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:L/AC:L/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 10.04 All All All
Operating System Canonical Ubuntu Linux 10.10 All All All
Operating System Canonical Ubuntu Linux 6.06 All All All
Operating System Canonical Ubuntu Linux 8.04 All All All
Operating System Canonical Ubuntu Linux 9.04 All All All
Operating System Canonical Ubuntu Linux 9.10 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 2.6.36 - All All
Operating System Linux Linux Kernel 2.6.36 rc1 All All
Operating System Linux Linux Kernel 2.6.36 rc2 All All
Operating System Opensuse Opensuse 11.1 All All All
Operating System Suse Linux Enterprise Desktop 11 - All All
Operating System Suse Linux Enterprise Real Time Extension 11 sp1 All All
Operating System Suse Linux Enterprise Server 11 - All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
LKML: Kees Cook: [PATCH] wireless: fix 64K kernel heap content leak via ioctl af854a3a-2127-422b-91ae-364da2661108 lkml.org Mailing List, Patch, Third Party Advisory
404 Not Found af854a3a-2127-422b-91ae-364da2661108 grsecurity.net Broken Link
LKML: Johannes Berg: [PATCH] wireless extensions: fix kernel heap content leak af854a3a-2127-422b-91ae-364da2661108 lkml.org Mailing List, Patch, Third Party Advisory
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
Linux Kernel 'SIOCGIWSSID' IOCTL Local Information Disclosure Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
[security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:20 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
oss-security - CVE-2010-2955 kernel: wireless: fix 64K kernel heap content leak via ioctl af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Third Party Advisory
USN-1000-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
404: File not found af854a3a-2127-422b-91ae-364da2661108 www.kernel.org Broken Link
Bug 628434 – CVE-2010-2955 kernel: wireless: fix 64K kernel heap content leak via ioctl af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
grsecurity forums • View topic - iwconfig goes kaboom af854a3a-2127-422b-91ae-364da2661108 forums.grsecurity.net Third Party Advisory
LKML: Johannes Berg: Re: [PATCH] wireless extensions: fix kernel heap content leak af854a3a-2127-422b-91ae-364da2661108 lkml.org Mailing List, Patch, Third Party Advisory
LKML: Johannes Berg: Re: [PATCH] wireless: fix 64K kernel heap content leak via ioctl af854a3a-2127-422b-91ae-364da2661108 lkml.org Mailing List, Patch, Third Party Advisory
git.kernel.org af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
Linux Kernel Memory Leak Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Third Party Advisory
[security-announce] SUSE Security Announcement: Realtime Linux Kernel (S af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
CONFIRM:http://git.kernel.org/?p=linux/kernel/git/linville/wireless-2.6.git;a=commit;h=42da2f948d949efd0111309f5827bf0298bcc9a4 MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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