CVE-2025-39816 io_uring/kbuf: always use READ_ONCE() to read ring provided buffer lengths

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: always use READONCE to read ring provided buffer lengths Since the buffers are mapped from userspace, it is prudent to use READONCE to read the value into a local variable, and use that for any other actions taken...

EulerOS 2.0 SP10 : kernel (EulerOS-SA-2025-2072)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : ext4: update sjournalinum if it changes after journal replayCVE-2023-53091 arp: use RCU protection in arpxmit.CVE-2025-21762 iouring: prevent opco...

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 stems from the iouring/futex module not being properly cleaned up when iofutexwait fails...

USN-7737-1 linux-azure, linux-azure-6.8, linux-azure-nvidia 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; - PowerPC architecture; - S390 architecture; - x86 architecture; - Block layer subsystem; -...

Linux Distros Unpatched Vulnerability : CVE-2025-38444

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: raid10: cleanup memleak at raid10makerequest If raid10readrequest or raid10writerequest...

Ubuntu 25.04 : Linux kernel (Azure) vulnerabilities (USN-7721-1)

"The remote Ubuntu 25.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7721-1 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 th...

USN-7703-4 linux-gke, linux-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - GPIO subsystem; - GPU...

USN-7721-1 linux-azure 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; - PA-RISC architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - x...

USN-7719-1 linux-raspi-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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - GPIO subsystem; - GPU...

USN-7703-3 linux-oracle, linux-oracle-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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - GPIO subsystem; - GPU...

USN-7703-2: 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - GPIO subsystem; - GPU...

USN-7703-2 linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gkeop, linux-ibm, 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - GPIO subsystem; - GPU...

USN-7703-1 linux, linux-aws, linux-lowlatency, linux-lowlatency-hwe-6.8, 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - GPIO subsystem; - GPU...

USN-7699-1 linux, linux-aws, linux-aws-6.14, linux-gcp, linux-gcp-6.14, linux-oracle, linux-oracle-6.14, 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: - ARM64 architecture; - RISC-V architecture; - x86 architecture; - Buffer Sharing and Synchronization framework; - DM...

CVE-2025-38504 io_uring/zcrx: fix pp destruction warnings

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix pp destruction warnings With multiple page pools and in some other cases we can have allocated niovs on page pool destruction. Remove a misplaced warning checking that all niovs are returned to zcrx on...

Linux Distros Unpatched Vulnerability : CVE-2021-47124

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel Traffic Control TC subsystem. Using a specific networking configuration redirecting egress packets to ingress using TC action "mirred" a local unprivileged user could trigger a CPU soft lockup ABBA deadlock when the transport protocol in use TC...

PT-2025-28884 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: A flaw exists in the Linux kernel's io uring resource management related to folio unpinning. Specifically, the issue arises when a tail page of a folio is pinned, and the io uring...

PT-2025-30867

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.16.0-rc4-syzkaller-00108-g17bbde2e1716 Description The Linux kernel contains a flaw in the io uring/msg ring subsystem related to the freeing of io kiocb requests. Specifically, the freeing of requests was not...

PT-2025-27971 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.15.0-rc7-syzkaller-gd7fa1af5b33e Description: A vulnerability in the Linux kernel has been resolved, related to the io uring/rsrc module. The issue occurs when the buffer count with offset for cloning exceeds...