CVE-2026-47331

Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An unprivileged local user could trigger the race condition that can lead to a use-after-free UAF and, theoretically, arbitrary code execution...

Canonical Ubuntu Linux 安全漏洞

Canonical Ubuntu Linux is a Linux operating system developed by the British company Canonical. The Canonical Ubuntu Linux 6.8 version contained a security vulnerability. This vulnerability stemmed from the AppArmor AFINET/AFINET6 socket mediation code, where uninitialized variables might have bee...

PT-2026-44476

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...

PT-2026-44483

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...

CVE-2026-47326: Missing Release of Memory after Effective Lifetime

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory leak could lead to resource exhaustion...

CVE-2026-47335: NULL Pointer Dereference

Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel panic...

CVE-2026-47336

Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AFINET/AFINET6 socket mediation code. The bug can be triggered by an unprivileged local user and could result in incorrect fine-grained mediation of network sockets...

CVE-2026-47327: NULL Pointer Dereference

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops...

CVE-2026-47328: Free of Memory not on the Heap

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly attempt to free a pointer which was not previously kmallocd, while at the same time leaking allocated memory. The bug can be triggered by an unprivileged local user and can result in the corruption of slab metadata an...

CVE-2026-47330: Use of Uninitialized Variable

Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an uninitialized variable in notification handling code. The bug can be triggered by an unprivileged local user and can result in the incorrect caching of AppArmor notification responses...

CVE-2026-47331: Use After Free

Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An unprivileged local user could trigger the race condition that can lead to a use-after-free UAF and, theoretically, arbitrary code execution...

CVE-2026-47332: Out-of-bounds Read

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an internal structure, leading to an out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in information disclosure from adjacent...

CVE-2026-47337: NULL Pointer Dereference

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AFINET/AFINET6 socket mediation. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops...

CVE-2026-47326

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory leak could lead to resource exhaustion...

Canonical Ubuntu Linux 安全漏洞

Canonical Ubuntu Linux is a Linux operating system developed by the British company Canonical. The Canonical Ubuntu Linux versions 6.8, 6.17, and 7.0 have security vulnerabilities. These vulnerabilities stem from potential null pointer dereferencing when handling AFINET/AFINET6 socket mediation,...

Canonical Ubuntu Linux 安全漏洞

Canonical Ubuntu Linux is a Linux operating system developed by the British company Canonical. The Canonical Ubuntu Linux versions 6.8, 6.17, and 7.0 have security vulnerabilities. These vulnerabilities stem from memory leaks during the processing of AppArmor notifications, which may lead to...

CVE-2026-47333: Out-of-bounds Read

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the size of an internal buffer, leading to a heap memory out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in invalid data...

CVE-2026-47334: Deadlock

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock in notification handling code. The bug can be triggered by an unprivileged local user and can result in kernel panic or deadlock...

CVE-2026-47336: Use of Uninitialized Variable

Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AFINET/AFINET6 socket mediation code. The bug can be triggered by an unprivileged local user and could result in incorrect fine-grained mediation of network sockets...

UBUNTU-CVE-2026-46039

In the Linux kernel, the following vulnerability has been resolved: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgkextracttoken when checking the length of the ticket. Rather than rounding up the value to be tested which might overflow, round down the...