Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ena: Fixed error handling in enainit. The enainit function no longer destroys the workqueue created by createsinglethreadworkqueue when pciregisterdriver fails. Instead, call destroyworkqueue when pciregisterdriver fails to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Do not use the WQMEMRECLAIM flag for the workqueue. The issue was reported by a customer during SRIOV testing. When both the i40e and i40iw drivers are loaded, a warning is triggered in the checkFlushDependency function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Always drain health during the shutdown callback. There is no point in performing recovery operations during device shutdown. If health-related tasks are initiated, one must wait until they are completed to avoid race...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The call to ksmbdvfskernpathendremoving is performed on some error paths. There are two places where ksmbdvfskernpathendremoving needs to be called in order to balance what the corresponding successful call to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fixed the null-ptr-deref issue in ibcorecleanup. KASAN reported a null-ptr-deref error: KASAN: Null pointer dereferencing in the range 0x0000000000000118–0x000000000000011f. CPU: 1; PID: 379. Hardware name: QEMU Standa...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fixed the WQMEMRECLAIM warning When sunrpc is used, if a reset occurs, our workqueue may lead to the following call trace: workqueue: WQMEMRECLAIM xprtiod: xprtrdmaconnectworker rpcrdma is being flushed! WQMEMRECLAIM...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: hid: cp2112: Fix duplicate workqueue initialization Previously, the cp2112 driver called INITDELAYEDWORK within cp2112 gpioirqstartup, resulting in duplicate initializations of the workqueue during subsequent IRQ starts after an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: pnvphp: Clean up allocated IRQs on unplug When the root of a nested PCIe bridge configuration is unplugged, the pnvphp driver leaks the allocated IRQ resources for the child bridges’ hotplug event notifications, resulting in...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: EFI: Fixed NULL dereference in the init error path. In cases where runtime services are not supported or have been disabled, the runtime services’ workqueue will never be allocated. Do not attempt to destroy the workqueue...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: locking/wwmutex/test: Fixed potential corruption of the workqueue. In some cases, when running with the test-wwmutex code, I observed unusual behaviors where, sometimes, flushworkqueue seemed to return before all work threads had...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fixed the warning “checkFlushDependency” in workqueue.c. In the commit aee2424246f9 “RDMA/iwcm: Fixed a use-after-free issue related to destroying CM IDs”, the function “flushworkqueue” was called to flush the work que...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: char: xillybus: Do not destroy the workqueue from work items running on it This issue was triggered by a decrease in the value of kref. The destroyworkqueue function might be called from within a work item to destroy its own...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Do not wait in vain when unloading the module. There is a race condition in the module exit path, where both deleting all controllers and freeing the “leftover IDs” occur simultaneously. To prevent double-freeing, a...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwl3945: Added a check for the return value of createsinglethreadworkqueue to avoid NULL pointer dereferencing...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Lock port-lock when calling uarthandlectschange The uarthandlectschange function must be called with the port locked. Since we execute it in a separate thread, the lock might not be acquired at the time of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed the potential use of a null pointer in destroyworkqueue within the error path of initcifs. Dan Carpenter reported a Smack static checker warning: fs/smb/client/cifsfs.c:1981 initcifs Error: We previously assumed th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: added flushworkqueue to prevent UAF. Our detector identified a bug caused by concurrent use-after-free when detaching a NCI device. The main reason for this bug is the unexpected scheduling between the delayed mechanism...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: Fixed an oops error when removing custom query handlers. When removing custom query handlers, the handler may still be used within the EC query workqueue. This could lead to a kernel oops if the module that holds the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iavf: Error handling in iavfinitmodule has been fixed. The iavfinitmodule no longer destroys the workqueue when pciregisterdriver fails. Instead, call destroyworkqueue when pciregisterdriver fails to prevent resource leaks. This...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Ice: Do not use the WQMEMRECLAIM flag for the workqueue. When both ice and the irdma driver are loaded, a warning is triggered in checkFlushDependency. This occurs because the ice driver’s workqueue is allocated with the...