CVE-2026-47327 NULL pointer dereference in Ubuntu Linux AppArmor notification handling

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-2026-47327

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-2026-47326

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...

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...

CVE-2026-46168

A flaw was found in the Linux kernel's Multipath TCP MPTCP implementation. This vulnerability stems from an unsafe operation where locksockfast, intended for atomic contexts, is used with functions like socksettimestamp and socksettimestamping that can cause the system to sleep. Such an operation...

CVE-2026-45878

A flaw was found in the Linux kernel's AMD KFD Kernel Fusion Driver component. A local user could exploit a boundary error in the debug address watch v2 functionality by providing a specially crafted watchid. This could lead to a buffer overflow, potentially allowing memory access outside of...

CVE-2026-9789

A Local Privilege Escalation LPE vulnerability affects Acer NitroSense software versions prior to 3.01.3052. The vulnerability stems from the the PSAdminAgent service, which creates a Named Pipe with a weak Access Control List ACL. This allows any authenticated local user to connect and send...

EUVD-2026-32700

A Local Privilege Escalation LPE vulnerability affects Acer NitroSense software versions prior to 3.01.3052. The vulnerability stems from the the PSAdminAgent service, which creates a Named Pipe with a weak Access Control List ACL. This allows any authenticated local user to connect and send...

CVE-2026-45911

A flaw was found in the Linux kernel's Cadence Design Systems USB3 cdns3 driver. During system resume, if the USB role is switched to host mode, the driver attempts to access an uninitialized device, leading to a NULL pointer dereference. This can be exploited by a local user to cause a system...

CVE-2026-45913

A flaw was found in the Linux kernel's bridge multicast module. This vulnerability arises from an inconsistency in how the system tracks multicast database entries mdbnentries for virtual local area network VLAN contexts. A local user with network configuration privileges could exploit this by...

PT-2026-44479

Name of the Vulnerable Software and Affected Versions Ubuntu Linux version 6.8 Ubuntu Linux version 7.0 Ubuntu Linux version 7.17 Description AppArmor SAUCE patches contain an issue where an uninitialized variable may be used within the notification handling code. This can be triggered by an...

PT-2026-44486

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, which occurs when the system handles AF INET/AF INET6 socket mediation. A NULL pointer dereferen...

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

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...

PT-2026-44485

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...

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-2026-47330

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-2026-47329

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in AppAmor notification responses. The bug can be triggered by an unprivileged local user and could result in handling of crafted responses...

UBUNTU-CVE-2026-47328

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...

UBUNTU-CVE-2026-47329

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in AppAmor notification responses. The bug can be triggered by an unprivileged local user and could result in handling of crafted responses...