Information Disclosure vulnerability in the 802.11 stack, as used in FreeBSD before 8.2 and NetBSD when using certain non-x86 architectures
Published Nov 27, 2019
7.5
HIGHCVSS 3.1
EPSS 1.59%
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.
Affected products
-
- Version before 8.2StatusaffectedConstraints-
- Version
-
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| FreeBSD, NetBSD | FreeBSD | n/a |
| ||||||
| FreeBSD, NetBSD | NetBSD | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.59% (0.01592) | 74.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.59% (0.01592) | 72.42th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.42% (0.00416) | 59.58th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.23% (0.00229) | 61.98th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.18% (0.00184) | 55.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00184) | 53.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (5)
- https://access.redhat.com/security/cve/cve-2011-2480 x_refsource_MISCBroken Link
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160 x_refsource_MISCThird Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161 x_refsource_MISCThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-2480 x_refsource_MISCThird Party Advisory
- https://www.openwall.com/lists/oss-security/2011/06/20/15 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/cve-2011-2480 | x_refsource_MISCBroken Link | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160 | x_refsource_MISCThird Party Advisory | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161 | x_refsource_MISCThird Party Advisory | |
| https://security-tracker.debian.org/tracker/CVE-2011-2480 | x_refsource_MISCThird Party Advisory | |
| https://www.openwall.com/lists/oss-security/2011/06/20/15 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.