CVE-2024-39508

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: Use setbit and testbit at worker-flags Utilize setbit and testbit on worker-flags within iouring/io-wq to address potential data races. The structure ioworker-flags may be accessed through various data paths, leadi...

CVE-2024-39508

CVE-2024-39508 affects the Linux kernel io-uring I/O-queue (io-wq) by a data race on io_worker->flags. The issue, exposed under KCSAN as a race between io_worker_handle_work and io_wq_activate_free_worker, arises from concurrent reads/writes to that flags field across multiple code paths. The ...

CVE-2024-41000: Integer Overflow or Wraparound

In the Linux kernel, the following vulnerability has been resolved: block/ioctl: prefer different overflow check Running syzkaller with the newly reintroduced signed integer overflow sanitizer shows this report: 62.982337 ------------ cut here ------------ 62.985692 cgroup: Invalid name 62.986211...

CVE-2024-41001: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: iouring/sqpoll: work around a potential audit memory leak kmemleak complains that there's a memory leak related to connect handling: unreferenced object 0xffff0001093bdf00 size 128: comm "iou-sqp-455", pid 457, jiffies 4294894164...

Linux kernel security vulnerabilities

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 a potential audit memory leak in the iouring/sqpoll component...

CVE-2024-40922: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: don't lock while !TASKRUNNING There is a report of iorsrcrefquiesce locking a mutex while not TASKRUNNING, which is due to forgetting restoring the state back after ioruntaskworksig and attempts to break out of the...

Linux kernel security vulnerabilities

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 a potential data contention issue in the iouring/io-wq component when handling worker threads...

CVE-2024-39508: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: Use setbit and testbit at worker-flags Utilize setbit and testbit on worker-flags within iouring/io-wq to address potential data races. The structure ioworker-flags may be accessed through various data paths, leadi...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-6896-1)

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-6896-1 advisory. It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free...

Linux kernel security vulnerabilities

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 an attempt by the iouring/rsrc component to lock a mutex in a non-TASKRUNNING state, which could lead to...

Ubuntu 20.04 LTS : Linux kernel (IBM) vulnerabilities (USN-6892-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6892-1 advisory. It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-6893-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6893-1 advisory. It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A...

USN-6892-1: Linux kernel (IBM) vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the Atheros 802.11ac...

USN-6878-1: Linux kernel (Oracle) vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Zheng Wang discovered that the Broadc...

USN-6871-1: Linux kernel (HWE) vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the Atheros 802.11ac...

Ubuntu 20.04 LTS : Linux kernel (HWE) vulnerabilities (USN-6871-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6871-1 advisory. It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An...

Ubuntu 24.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-6878-1)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6878-1 advisory. Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereferenc...

SUSE CVE-2024-39371

In the Linux kernel, the following vulnerability has been resolved: iouring: check for non-NULL file pointer in iofilecanpoll In earlier kernels, it was possible to trigger a NULL pointer dereference off the forced async preparation path, if no file had been assigned. The trace leading to that...

CVE-2024-39371

A vulnerability was found in the iouring subsystem in the Linux Kernel. The iofilecanpoll function does not adequately check for a non-NULL file pointers. This oversight could potentially lead to undefined behavior or security issues related to I/O operations. This issue has been addressed in a...

DEBIAN-CVE-2024-39371

In the Linux kernel, the following vulnerability has been resolved: iouring: check for non-NULL file pointer in iofilecanpoll In earlier kernels, it was possible to trigger a NULL pointer dereference off the forced async preparation path, if no file had been assigned. The trace leading to that...