CVE-2011-2480

HIGH EPSS 72.7%
Published Nov 27, 20196y ago · Modified Jun 16, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Nov 27, 2019 6y ago
Last Modified Jun 16, 2026 2w ago

Description

Information Disclosure vulnerability in the 802.11 stack, as used in FreeBSD before 8.2 and NetBSD when using certain non-x86 architectures. A signedness error in the IEEE80211_IOC_CHANINFO ioctl allows a local unprivileged user to cause the kernel to copy large amounts of kernel memory back to the user, disclosing potentially sensitive information.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
72.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 2

VendorProductVersionRange
freebsdfreebsd* <8.2
netbsdnetbsd*any

References 5

  • access.redhat.com https://access.redhat.com/security/cve/cve-2011-2480
    Broken Link
  • bugs.debian.org https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160
    Third Party Advisory
  • bugs.debian.org https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161
    Third Party Advisory
  • security-tracker.debian.org https://security-tracker.debian.org/tracker/CVE-2011-2480
    Third Party Advisory
  • openwall.com https://www.openwall.com/lists/oss-security/2011/06/20/15
    Mailing ListThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.