CVE-2021-47648

CVE-2021-47648 is a Linux kernel issue where a memory leak could occur in the gpu: host1x path, specifically in host1x_remove(). The fix adds a missing host1x_channel_list_free() call in the remove path (consistent with error path handling in probe). Connected advisories confirm this memory-leak ...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates from post-release reuse in the jffs2clearxattrsubsystem function...

PT-2025-8388 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A refcount leak was found in the mtk pcie subsys powerup function. The of find compatible node function returns a node pointer with refcount incremented. To fix this issue, the missing...

PT-2025-8212 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak issue has been identified in the Linux kernel, specifically in the coresight subsystem. The problem occurs when device registration fails in the cscfg create device...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-7304-1)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7304-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

USN-7289-3 linux-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: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drivers; - GPU drivers; - HID subsystem; -...

USN-7234-5: Linux kernel vulnerabilities

Ye Zhang and Nicolas Wu discovered that the iouring subsystem in the Linux kernel did not properly handle locking for rings with IOPOLL, leading to a double-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-7289-2 linux-azure-5.15, linux-azure-fde-5.15, linux-oracle-5.15 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; - x86 architecture; - Block layer subsystem; - ACPI drivers; - GPU drivers; - HID subsystem; -...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7291-1)

"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-7291-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7293-1)

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-7293-1 advisory. Attila Szsz discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker coul...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-7289-2)

"The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7289-2 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-7289-1 linux-azure, linux-azure-fde, linux-gkeop, linux-nvidia, 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: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drivers; - GPU drivers; - HID subsystem; -...

USN-7288-1: Linux kernel vulnerabilities

Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

The vulnerability of the ALSA kernel component in Linux operating systems, which allows a hacker to cause a service failure

The vulnerability of the ALSA kernel component in Linux operating systems is related to improper locking of resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the ets_class_from_arg() function in the net/sched/sch_ets.c module of the net/sched subsystem of the Linux operating system allows a hacker to gain unauthorized access to protected information.

The vulnerability of the etsclassfromarg function in the net/sched/schets.c module of the net/sched subsystem of the Linux operating system lies in the handling of buffer overflow attacks. Exploiting this vulnerability could allow an attacker to gain unauthorized access to protected information...

USN-7277-1 linux-aws, linux-azure, linux-gcp, linux-oracle, linux-raspi, linux-realtime 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; - PowerPC architecture; - RISC-V architecture; - S390 architecture; -...

USN-7276-1: Linux kernel vulnerabilities

Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

kernel: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().

A use-after-free UAF vulnerability was found and fixed in the Linux kernel's TCP subsystem related to request socket reqsk timers during handshake handling. This issue stems from a race condition caused by relying on timerpending in reqskqueueunlink. This could result in the timer continuing to r...

PT-2025-34421

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The parse longname function in the Ceph subsystem does not guarantee a NUL-terminated string when using strrchr, leading to a potential issue. The function utilizes kmemdup nul to crea...

The vulnerability of the Linux operating system’s kernel component “perf”, which allows a hacker to trigger a service failure

The vulnerability of the net/mlx5e components in the Linux operating system’s kernel is related to the lack of memory release after the effective lifespan of these components has ended. Exploiting this vulnerability can allow an attacker to cause a service failure...