Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/net: Fixed an abuse of ioreqpostcqe by sending bundled requests. 114.987980T5313 WARNING: CPU: 6 PID: 5313 at iouring/iouring.c:872 ioreqpostcqe+0x12e/0x4f0 114.991597T5313 RIP: 0010:ioreqpostcqe+0x12e/0x4f0 115.001880T53...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: Reallocate the buf lists upon upgrade. The function IORINGREGISTERPBUFRING can reuse an old struct iobufferlist if it was created for a legacy selected buffer and has been emptied. This violates the requirement that...

SUSE CVE-2025-38002

In the Linux kernel, the following vulnerability has been resolved: iouring/fdinfo: grab ctx-uringlock around iouringshowfdinfo Not everything requires locking in there, which is why the 'haslock' variable exists. But enough does that it's a bit unwieldy to manage. Wrap the whole thing in a...

The vulnerability of the io_uring/eventfd components in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the Linux operating system’s kernel topology component is related to incorrect calculations in the functions ioqueuedeferred and ioeventfdops in the iouring/iouring.c file. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2025-38002

In the Linux kernel, the following vulnerability has been resolved: iouring/fdinfo: grab ctx-uringlock around iouringshowfdinfo Not everything requires locking in there, which is why the 'haslock' variable exists. But enough does that it's a bit unwieldy to manage. Wrap the whole thing in a...

UBUNTU-CVE-2025-38002

In the Linux kernel, the following vulnerability has been resolved: iouring/fdinfo: grab ctx-uringlock around iouringshowfdinfo Not everything requires locking in there, which is why the 'haslock' variable exists. But enough does that it's a bit unwieldy to manage. Wrap the whole thing in a...

CVE-2025-38002 io_uring/fdinfo: grab ctx->uring_lock around io_uring_show_fdinfo()

In the Linux kernel, the following vulnerability has been resolved: iouring/fdinfo: grab ctx-uringlock around iouringshowfdinfo Not everything requires locking in there, which is why the 'haslock' variable exists. But enough does that it's a bit unwieldy to manage. Wrap the whole thing in a...

CVE-2025-38002 io_uring/fdinfo: grab ctx->uring_lock around io_uring_show_fdinfo()

In the Linux kernel, the following vulnerability has been resolved: iouring/fdinfo: grab ctx-uringlock around iouringshowfdinfo Not everything requires locking in there, which is why the 'haslock' variable exists. But enough does that it's a bit unwieldy to manage. Wrap the whole thing in a...

CVE-2025-38002

CVE-2025-38002 concerns the Linux kernel io_uring/fdinfo path. The fix acquires the ctx->uring_lock around io_uring_show_fdinfo() and wraps the whole process in a ->uring_lock_trylock, returning no output if the lock can’t be grabbed. This addresses a race when the ring is actively resized,...

USN-7513-5 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: - RISC-V architecture; - x86 architecture; - Block layer subsystem; - Compute Acceleration Framework; - ACPI drivers;...

CVE-2022-20409

In ioidentitycow of iouring.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:...

UBUNTU-CVE-2025-37906

In the Linux kernel, the following vulnerability has been resolved: ublk: fix race between iouringcmdcompleteintask and ublkcancelcmd ublkcancelcmd calls iouringcmddone to complete uringcmd, but we may have scheduled task work via iouringcmdcompleteintask for dispatching request, then kernel cras...

USN-7513-3 linux-azure, linux-azure-6.8, 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: - RISC-V architecture; - x86 architecture; - Block layer subsystem; - Compute Acceleration Framework; - ACPI drivers;...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: require cloned buffers to share accounting contexts When IORINGREGISTERCLONEBUFFERS is used to clone buffers from uring instance A to uring instance B, where A and B use different MMs for accounting, the accounting...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: abort file assignment prior to assigning creds We need to either restore creds properly if we fail on the file assignment, or just do the file assignment first instead. Let's do the latter as it's simpler, should make no...

USN-7513-2 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: - RISC-V architecture; - x86 architecture; - Block layer subsystem; - Compute Acceleration Framework; - ACPI drivers;...

Ubuntu 24.04 LTS : Linux kernel (GKE) vulnerabilities (USN-7515-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7515-1 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...

Alibaba Cloud Linux 3 : 0167: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0167)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2022:0167 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2022-3176: There exists a use-after-free in...

kernel: io_uring/sqpoll: zero sqd->thread on tctx errors

No description is available for this CVE...

SUSE CVE-2022-49791

In the Linux kernel, the following vulnerability has been resolved: iouring: fix multishot accept request leaks Having REQFPOLLED set doesn't guarantee that the request is executed as a multishot from the polling path. Fortunately for us, if the code thinks it's multishot issue when it's not, it...