CVE-2010-2955
The MITRE CVE dictionary describes this issue as:
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.
Find out more about CVE-2010-2955 from the MITRE CVE dictionary dictionary and NIST NVD.
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.
CVSS v2 metrics
| Base Score | 2.1 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| MRG Grid for RHEL 5 Server (kernel-rt) | RHSA-2010:0771 | 2010-10-14 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2010:0842 | 2010-11-10 |
CVE description copyright © 2017, The MITRE Corporation