Georgia Garcia

**Name of the Vulnerable Software and Affected Versions** Ubuntu Linux version 6.8 Ubuntu Linux version 6.17 Ubuntu Linux version 7.0 **Description** SAUCE patches contain a possible NULL pointer dereference—a condition where the software attempts to read from a memory address that is null—during the handling of AppArmor notifications. An unprivileged local user can trigger this issue, potentially leading to a kernel oops, which is a type of kernel error that causes the system to crash or behave unexpectedly. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.

**Name of the Vulnerable Software and Affected Versions** Ubuntu Linux version 6.8 Ubuntu Linux version 6.17 Ubuntu Linux version 7.0 **Description** SAUCE patches fail to validate invalid sizes of the `name` field in AppAmor notification responses. This issue can be triggered by an unprivileged local user, potentially resulting in the handling of crafted responses. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.

**Name of the Vulnerable Software and Affected Versions** Ubuntu Linux version 6.8 Ubuntu Linux version 6.17 Ubuntu Linux version 7.0 **Description** AppArmor SAUCE patches contain a flaw that can lead to an incorrect computation of an internal buffer size. This results in a heap memory out-of-bounds read—a condition where the system reads data past the end of the intended buffer—within the notification handling code. An unprivileged local user can trigger this issue, causing the AppArmor DFA policy engine to process invalid data. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.

**Name of the Vulnerable Software and Affected Versions** Ubuntu Linux version 6.8 Ubuntu Linux version 6.17 Ubuntu Linux version 7.0 **Description** AppArmor SAUCE patches contain a flaw in the notification handling code that causes the system to incorrectly sleep while holding a spinlock. A spinlock is a locking mechanism used to protect shared resources in a kernel. This issue can be triggered by an unprivileged local user, potentially leading to a kernel panic or a deadlock, where two or more execution threads are blocked forever, waiting for each other. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.

**Name of the Vulnerable Software and Affected Versions** Ubuntu Linux version 6.8 **Description** An issue exists in the AppArmor AF INET/AF INET6 socket mediation code due to the use of an uninitialized variable. This flaw can be triggered by an unprivileged local user, potentially leading to incorrect fine-grained mediation of network sockets. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.