CVE-2026-34281: Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. in Oracle Corporation Oracle Solaris
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel). The supported version that is affected is 11.4. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).
AI Analysis
Technical Summary
This vulnerability in Oracle Solaris 11.4 kernel permits a low privileged attacker who can log on to the system to cause a complete denial of service by hanging or repeatedly crashing the operating system. The vulnerability impacts availability only, with no confidentiality or integrity loss. The attack scope includes Oracle Solaris and potentially other products. The CVSS vector indicates local attack vector, low complexity, low privileges required, no user interaction, and scope change. Oracle's April 2026 Critical Patch Update advisory references this vulnerability among many others but does not explicitly state patch availability or remediation details for this specific issue.
Potential Impact
Successful exploitation results in unauthorized denial of service by causing the Oracle Solaris system to hang or crash repeatedly. There is no impact on confidentiality or integrity. The vulnerability affects availability and may impact additional Oracle products due to scope change. No known exploits in the wild have been reported.
Mitigation Recommendations
Oracle has included this vulnerability in its April 2026 Critical Patch Update advisory. Customers are strongly advised to apply the April 2026 Critical Patch Update promptly to address this and other vulnerabilities. Patch status for this specific vulnerability is not explicitly confirmed in the advisory; therefore, customers should monitor Oracle's security alerts and apply updates as they become available. No vendor advisory states that no action is required or that the issue is already mitigated.
CVE-2026-34281: Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. in Oracle Corporation Oracle Solaris
Description
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel). The supported version that is affected is 11.4. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Oracle Solaris 11.4 kernel permits a low privileged attacker who can log on to the system to cause a complete denial of service by hanging or repeatedly crashing the operating system. The vulnerability impacts availability only, with no confidentiality or integrity loss. The attack scope includes Oracle Solaris and potentially other products. The CVSS vector indicates local attack vector, low complexity, low privileges required, no user interaction, and scope change. Oracle's April 2026 Critical Patch Update advisory references this vulnerability among many others but does not explicitly state patch availability or remediation details for this specific issue.
Potential Impact
Successful exploitation results in unauthorized denial of service by causing the Oracle Solaris system to hang or crash repeatedly. There is no impact on confidentiality or integrity. The vulnerability affects availability and may impact additional Oracle products due to scope change. No known exploits in the wild have been reported.
Mitigation Recommendations
Oracle has included this vulnerability in its April 2026 Critical Patch Update advisory. Customers are strongly advised to apply the April 2026 Critical Patch Update promptly to address this and other vulnerabilities. Patch status for this specific vulnerability is not explicitly confirmed in the advisory; therefore, customers should monitor Oracle's security alerts and apply updates as they become available. No vendor advisory states that no action is required or that the issue is already mitigated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-03-26T19:48:45.675Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cpuapr2026.html","vendor":"Oracle"}]
Threat ID: 69e7e5a419fe3cd2cdf9f87c
Added to database: 4/21/2026, 9:01:24 PM
Last enriched: 4/21/2026, 10:02:42 PM
Last updated: 4/22/2026, 6:09:22 AM
Views: 3
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