USN-6813-1: OpenJDK 21 vulnerabilities
It was discovered that the Hotspot component of OpenJDK 21 incorrectly handled certain exceptions with specially crafted long messages. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-21011) It was discovered that OpenJDK 21 incorrectly performed reverse DNS query under certain circumstances in the Networking/HTTP client component. An attacker could possibly use this issue to obtain sensitive information. (CVE-2024-21012) Vladimir Kondratyev discovered that the Hotspot component of OpenJDK 21 incorrectly handled address offset calculations in the C1 compiler. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2024-21068) It was discovered that the Hotspot component of OpenJDK 21 incorrectly handled array accesses in the C2 compiler. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2024-21094)
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/openjdk-21-jdkto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~23.10.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jdk-headlessto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~23.10.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jreto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~23.10.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jre-headlessto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~23.10.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jre-zeroto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~23.10.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jdkto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~22.04.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jdk-headlessto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~22.04.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jreto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~22.04.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jre-headlessto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~22.04.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jre-zeroto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~22.04.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jdkto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~20.04.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jdk-headlessto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~20.04.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jreto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~20.04.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jre-headlessto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~20.04.1 - Upgrade
Upgrade
ubuntu/openjdk-21-jre-zeroto a version that resolves this vulnerability.Fixed in 21.0.3+9-1ubuntu1~20.04.1
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-6813-1?
The severity of USN-6813-1 is classified as a denial of service vulnerability that could be exploited by an attacker.
How do I fix USN-6813-1?
To fix USN-6813-1, upgrade to the recommended version of OpenJDK provided in the advisory.
Which packages are affected by USN-6813-1?
The affected packages include openjdk-21-jdk, openjdk-21-jdk-headless, openjdk-21-jre, and various others as specified in the advisory.
What systems are impacted by USN-6813-1?
USN-6813-1 impacts Ubuntu versions 20.04, 22.04, and 23.10 running the specified OpenJDK packages.
What could an attacker achieve with USN-6813-1?
An attacker could exploit USN-6813-1 to cause a denial of service, disrupting the availability of services running on the affected systems.