USN-7921-1: 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: - Cryptographic API; - Media drivers; - Netfilter; - TLS protocol; CVE-2025-39946, CVE-2025-39964, CVE-2025-39993,...

USN-7921-1 linux, linux-aws, linux-aws-6.14, linux-gcp, linux-hwe-6.14, 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: - Cryptographic API; - Media drivers; - Netfilter; - TLS protocol; CVE-2025-39946, CVE-2025-39964, CVE-2025-39993,...

CVE-2022-50632 drivers: perf: marvell_cn10k: Fix hotplug callback leak in tad_pmu_init()

In the Linux kernel, the following vulnerability has been resolved: drivers: perf: marvellcn10k: Fix hotplug callback leak in tadpmuinit tadpmuinit won't remove the callback added by cpuhpsetupstatemulti when platformdriverregister failed. Remove the callback by cpuhpremovemultistate in fail path...

CVE-2025-40316

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fix device use-after-free on unbind A recent change fixed device reference leaks when looking up drm platform device driver data during bind but failed to remove a partial fix which had been added by commit...

CVE-2022-50632: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drivers: perf: marvellcn10k: Fix hotplug callback leak in tadpmuinit tadpmuinit won't remove the callback added by cpuhpsetupstatemulti when platformdriverregister failed. Remove the callback by cpuhpremovemultistate in fail path...

CVE-2023-53747: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: vcscreen: reload load of struct vcdata pointer in vcswrite to avoid UAF After a call to consoleunlock in vcswrite the vcdata struct can be freed by vcportdestruct. Because of that, the struct vcdata pointer must be reloaded in th...

CVE-2025-40308: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bcsp: receive data only if registered Currently, bcsprecv can be called even when the BCSP protocol has not been registered. This leads to a NULL pointer dereference, as shown in the following stack trace: KASAN:...

Vulnerability of the acpi_quirk_skip_serdev Enumeration() function in the drivers/acpi/x86/utils.c file – The ACPI support driver for the Linux kernel’s operating system allows a hacker to trigger a service failure.

Vulnerability of the acpiquirkskipserdev Enumeration function in the drivers/acpi/x86/utils.c module – The ACPI support driver for the Linux kernel is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

PT-2025-55015

Уязвимость функции nv3 arb модуля drivers/video/fbdev/riva/riva hw.c ядра операционной системы Linux связана с ошибочным делением на ноль. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...

USN-7910-2: Linux kernel (Azure) vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7910-2 linux-azure vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7909-4: 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; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S39...

USN-7909-4 linux-gcp, linux-gke, linux-gkeop 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; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S39...

USN-7889-5 linux-ibm-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: - Media drivers; - Network drivers; - Netfilter; - TLS protocol; CVE-2025-21729, CVE-2025-38227, CVE-2025-38616,...

USN-7889-5: Linux kernel (IBM) 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: - Media drivers; - Network drivers; - Netfilter; - TLS protocol; CVE-2025-21729, CVE-2025-38227, CVE-2025-38616,...

USN-7906-2: Linux kernel (GCP) 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: - x86 architecture; - Cryptographic API; - Android drivers; - TTY drivers; - F2FS file system; - 9P file system netwo...

USN-7906-2 linux-gcp 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: - x86 architecture; - Cryptographic API; - Android drivers; - TTY drivers; - F2FS file system; - 9P file system netwo...

Ubuntu 22.04 LTS : Linux kernel (Azure FIPS) vulnerabilities (USN-7910-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7910-1 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation betwee...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7909-1)

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-7909-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-7907-4: Linux kernel (GCP FIPS) 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: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - Mailbox framework; -...