MEDIUM
fs/proc/base.c in the Linux kernel through 3.1 allows local users to obtain sensitive keystroke information via access to /proc/interrupts
Published Feb 20, 2020
5.5
MEDIUMCVSS 3.1
EPSS 0.51%
Description
fs/proc/base.c in the Linux kernel through 3.1 allows local users to obtain sensitive keystroke information via access to /proc/interrupts.
Affected products
- Vendor n/a Product Linux kernel Defaultn/a
- Version through 3.1StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Linux kernel | n/a |
|
Configuration 1
- ≤ 3.1
Configuration 2
- 14.04
Configuration 3
OR
- 8.0
- 9.0
- 10.0
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.
5.5 MEDIUM NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
No CVSS v3.0 score for this CVE.
2.1 LOW NVD
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
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.51% 0.00513
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00513
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.51% (0.00513) | 41.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.51% (0.00513) | 39.40th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00080) | 21.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Apr 16, 2023 | 0.04% (0.00042) | 5.66th | v3 (v2023.03.01) |
| Apr 15, 2023 | 0.04% (0.00042) | 0.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0499680a42141d86417a8fbaa8c8db806bea1201 x_refsource_MISCPatchVendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2ef990ab5a6705a356d146dd773a3b359787497 x_refsource_MISCPatchVendor Advisory
- http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-4915.html x_refsource_MISCThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/11/07/9 x_refsource_MISCExploitMailing ListThird Party Advisory
- https://lkml.org/lkml/2011/11/7/340 x_refsource_MISCVendor Advisory
- https://seclists.org/oss-sec/2011/q4/571 x_refsource_MISCMailing ListThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-4915 x_refsource_MISCThird Party Advisory
- https://vigilance.fr/vulnerability/Linux-kernel-information-disclosure-about-keyboard-11131 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0499680a42141d86417a8fbaa8c8db806bea1201 | x_refsource_MISCPatchVendor Advisory | |
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2ef990ab5a6705a356d146dd773a3b359787497 | x_refsource_MISCPatchVendor Advisory | |
| http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-4915.html | x_refsource_MISCThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2011/11/07/9 | x_refsource_MISCExploitMailing ListThird Party Advisory | |
| https://lkml.org/lkml/2011/11/7/340 | x_refsource_MISCVendor Advisory | |
| https://seclists.org/oss-sec/2011/q4/571 | x_refsource_MISCMailing ListThird Party Advisory | |
| https://security-tracker.debian.org/tracker/CVE-2011-4915 | x_refsource_MISCThird Party Advisory | |
| https://vigilance.fr/vulnerability/Linux-kernel-information-disclosure-about-keyboard-11131 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Feb 20, 2020
Updated Aug 7, 2024
Reserved Dec 23, 2011
Link CVE-2011-4915
CISA Vulnrichment
Updated n/a