==========================================================================
Ubuntu Security Notice USN-6813-1
June 06, 2024<\/p>\n
openjdk-21 vulnerabilities
==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 23.10
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS<\/p>\n
Summary:<\/p>\n
Several security issues were fixed in OpenJDK 21.<\/p>\n
Software Description:
– openjdk-21: Open Source Java implementation<\/p>\n
Details:<\/p>\n
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)<\/p>\n
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)<\/p>\n
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)<\/p>\n
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)<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
package versions:<\/p>\n
Ubuntu 23.10
openjdk-21-jdk 21.0.3+9-1ubuntu1~23.10.1
openjdk-21-jdk-headless 21.0.3+9-1ubuntu1~23.10.1
openjdk-21-jre 21.0.3+9-1ubuntu1~23.10.1
openjdk-21-jre-headless 21.0.3+9-1ubuntu1~23.10.1
openjdk-21-jre-zero 21.0.3+9-1ubuntu1~23.10.1<\/p>\n
Ubuntu 22.04 LTS
openjdk-21-jdk 21.0.3+9-1ubuntu1~22.04.1
openjdk-21-jdk-headless 21.0.3+9-1ubuntu1~22.04.1
openjdk-21-jre 21.0.3+9-1ubuntu1~22.04.1
openjdk-21-jre-headless 21.0.3+9-1ubuntu1~22.04.1
openjdk-21-jre-zero 21.0.3+9-1ubuntu1~22.04.1<\/p>\n
Ubuntu 20.04 LTS
openjdk-21-jdk 21.0.3+9-1ubuntu1~20.04.1
openjdk-21-jdk-headless 21.0.3+9-1ubuntu1~20.04.1
openjdk-21-jre 21.0.3+9-1ubuntu1~20.04.1
openjdk-21-jre-headless 21.0.3+9-1ubuntu1~20.04.1
openjdk-21-jre-zero 21.0.3+9-1ubuntu1~20.04.1<\/p>\n
This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any Java
applications to make all the necessary changes.<\/p>\n
References:
https:\/\/ubuntu.com\/security\/notices\/USN-6813-1
CVE-2024-21011, CVE-2024-21012, CVE-2024-21068, CVE-2024-21094<\/p>\n
Package Information:
https:\/\/launchpad.net\/ubuntu\/+source\/openjdk-21\/21.0.3+9-1ubuntu1~23.10.1
https:\/\/launchpad.net\/ubuntu\/+source\/openjdk-21\/21.0.3+9-1ubuntu1~22.04.1
https:\/\/launchpad.net\/ubuntu\/+source\/openjdk-21\/21.0.3+9-1ubuntu1~20.04.1<\/p>\n","protected":false},"excerpt":{"rendered":"
==========================================================================Ubuntu Security Notice USN-6813-1June 06, 2024 openjdk-21 vulnerabilities========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 23.10– Ubuntu 22.04 LTS– Ubuntu 20.04 LTS Summary: Several security issues were fixed in OpenJDK 21. Software Description:– openjdk-21: Open Source Java implementation Details: It was discovered that the Hotspot component of OpenJDK 21 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-57329","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/57329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=57329"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/57329\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=57329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=57329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=57329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}