CVE-2011-2480 json
Information Disclosure vulnerability in the 802.11 stack, as used in FreeBSD before 8.2 and NetBSD when using certain non-x86 architectures.
published 2019-11-27 6 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2469
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- freebsd freebsd 8.2
Exploit prediction
1.59% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- FreeBSD, NetBSD FreeBSD
- FreeBSD, NetBSD NetBSD
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
security-tracker.debian.org
/tracker/CVE-2011-2480
third-party-advisory
-
access.redhat.com
/security/cve/cve-2011-2480
broken-link
-
bugs.debian.org
/cgi-bin/bugreport.cgi?bug=631161
third-party-advisory
-
bugs.debian.org
/cgi-bin/bugreport.cgi?bug=631160
third-party-advisory
-
openwall.com
/lists/oss-security/2011/06/20/15
mailing-list, third-party-advisory
Sources
- CVE List CVE-2011-2480
- NVD CVE-2011-2480
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