kernel: wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete

A flaw was found in the Linux kernel. This vulnerability affects the ath9k wireless driver in the Linux kernel, specifically used with ath9khtc devices. The issue arises from a race condition where certain initialization processes are incomplete when the system begins handling WiFi-related events...

kernel: tty: Fix out-of-bound vmalloc access in imageblit

A vulnerability was found in the Linux kernel's tty subsystem within the imageblit function when a userspace program performs an ioctl operation with the FBIOPUTVSCREENINFO command, passing a fbvarscreeninfo structure with limited fields. If the structure’s values remain unchanged from a previous...

Ubuntu 20.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6951-2)

"The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6951-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

USN-6949-2 linux-lowlatency, linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - M68K architecture; - OpenRISC architecture; - PowerPC architecture; -...

USN-6950-3 linux-oracle vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - Block layer subsystem; - Bluetooth drivers; - Clock framework and...

kernel: tls: race between tx work scheduling and socket close

A race condition vulnerability was found in the tls subsystem of the Linux kernel. The submitting thread recvmsg/sendmsg may exit as soon as the async crypto handler calls complete, which could lead to undefined behavior and a denial of service...

USN-6950-2 linux-aws-5.15, linux-gkeop-5.15, linux-ibm, linux-ibm-5.15, linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - Block layer subsystem; - Bluetooth drivers; - Clock framework and...

USN-6950-2: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - Block layer subsystem; - Bluetooth drivers; - Clock framework and...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6950-2)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6950-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix panic when DSA master device unbinds on shutdown CVE-2022-48808 In the Linux kernel, the following vulnerability has been resolved: nfsd: call oprelease, even when opfunc returns an error...

USN-6955-1 linux-oem-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - M68K architecture; - OpenRISC architecture; - PowerPC architecture; -...

USN-6955-1: Linux kernel (OEM) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - M68K architecture; - OpenRISC architecture; - PowerPC architecture; -...

Ubuntu 24.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6955-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6955-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

USN-6926-3: Linux kernel (Azure) vulnerabilities

黄思聪 discovered that the NFC Controller Interface NCI implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash...

USN-6953-1 linux-oracle, linux-oracle-5.4 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - M68K architecture; - User-Mode Linux UML; - x86 architecture; - Accessibility subsystem; -...

USN-6952-1: Linux kernel vulnerabilities

Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to...

Ubuntu 16.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6926-3)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6926-3 advisory. discovered that the NFC Controller Interface NCI implementation in the Linux kernel did not properly handle certain memory allocation failure conditions,...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-6952-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6952-1 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-6953-1)

"The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6953-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-6951-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - M68K architecture; - User-Mode Linux UML; - x86 architecture; - Accessibility subsystem; -...