UBUNTU-CVE-2010-2955
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 08 Sept 2010, 00:00
Last modified:04 Feb 2026, 03:25
Vulnerability Summary
Overall Risk (default)
minimal
0/100 CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
08 Sept 2010, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 03:25
Last Modified
Vulnerability information updated
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.
Affected Systems
- ubuntu•linux
< 3.11.0-12.19
- ubuntu•linux-flo
< 3.4.0-1.3
- ubuntu•linux-goldfish
< 3.4.0-1.9
- ubuntu•linux-grouper
< 3.1.10-8.28
- ubuntu•linux-lts-utopic
< 3.16.0-25.33~14.04.2
- ubuntu•linux-lts-vivid
< 3.19.0-18.18~14.04.1
- ubuntu•linux-maguro
< 3.0.0-3.18
- ubuntu•linux-mako
< 3.4.0-3.21
- ubuntu•linux-manta
< 3.4.0-4.19
References (8)
- https://ubuntu.com/security/CVE-2010-2955
- https://ubuntu.com/security/notices/USN-1074-1
- https://ubuntu.com/security/notices/USN-1074-2
- https://ubuntu.com/security/notices/USN-1083-1
- https://ubuntu.com/security/notices/USN-1093-1
- https://ubuntu.com/security/notices/USN-1119-1
- https://ubuntu.com/security/notices/USN-1023-1
- https://www.cve.org/CVERecord?id=CVE-2010-2955