CVE-2017-2618
kernel: Off-by-one error in selinux_setprocattr (/proc/self/attr/fscreate)
Severity Score
5.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.
Se ha encontrado un fallo en el manejo del kernel de Linux para borrar los atributos SELinux de los ficheros /proc/pid/attr en versiones anteriores a la 4.9.10. Una escritura vacía (null) en este archivo puede cerrar de manera inesperada el sistema haciendo que el sistema intente acceder a la memoria no mapeada del kernel.
A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
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Attack Vector
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Confidentiality
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* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2016-12-01 CVE Reserved
- 2017-02-23 CVE Published
- 2023-07-21 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-193: Off-by-one Error
- CWE-682: Incorrect Calculation
CAPEC
References (10)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/96272 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2017:0931 | 2023-02-12 | |
| https://access.redhat.com/errata/RHSA-2017:0932 | 2023-02-12 | |
| https://access.redhat.com/errata/RHSA-2017:0933 | 2023-02-12 | |
| https://www.debian.org/security/2017/dsa-3791 | 2023-02-12 | |
| https://access.redhat.com/security/cve/CVE-2017-2618 | 2017-04-12 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1419916 | 2017-04-12 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | < 4.9.10 Search vendor "Linux" for product "Linux Kernel" and version " < 4.9.10" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 7.3 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.3" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 7.4 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.4" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus" | 7.3 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.3" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus" | 7.4 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.4" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus" | 7.5 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.5" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0" | - |
Affected
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