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

In the Linux kernel, the following vulnerability has been resolved: fs/inode: Prevent dumpmapping from accessing invalid dentry.dname.name It has been observed that a crash occurs during the hot removal of a memory device, in which the user is accessing hugetlb. See the call trace as follows:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gvt: fixed the issue where vGPU debugfs was cleaned up during the remove operation. Check carefully whether the root debugfs is available when destroying the vGPU. For example, in the remove operation, the DRM minor’s...

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

In the Linux kernel, the following vulnerability has been resolved: misc: pciendpointtest: Free IRQs before removing the device. In the pciendpointtestremove function, freeing the IRQs after removing the device creates a small race window during the test process. This allows IRQs to be received b...

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: PCI: Fixed a use-after-free of slot-bus during hot removal. Dennis reported a boot crash on recent Lenovo laptops with a USB4 dock. Since the commit 0fc70886569c "thunderbolt: Reset USB4 v2 host router" and the commit...

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

In the Linux kernel, the following vulnerability has been resolved: NFS: A race condition during the update of an existing write request has been fixed. After the nfslockandjoinrequests function checks whether the request is still attached to the mapping, nothing prevents a call to nfs...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/ioapic: Handling allocation failures gracefully Breno observed panics when using failslab under certain conditions during runtime: - can not alloc irqpinlist -1,0,20 - Kernel panic – not syncing: IO-APIC: Failed to add irq-pi...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/eeh: avoided possible crashes when edev-pdev changes. If a PCI device is removed during eehpereportedev, edev-pdev will change, which may cause a crash. It is recommended to hold the PCI rescan/remove lock while taking a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Always stop the health timer during driver removal Currently, if teardownhca fails to execute during driver removal, mlx5 does not stop the health timer. As a result, mlx5 continues with the driver teardown. This may le...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ATA: libata-transport: fixed the double call to atahostput in atatportadd In the error path in atatportadd, when calling putdevice, atatportrelease is called. This function decreases the refcount of ‘ap-host’. Then, atahostput is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ata: libata-transport: fixed error handling in atatdevadd In atatdevadd, the return value of transportadddevice is not checked. As a result, a null-ptr-deref occurs when removing the module, because transportremovedevice is calle...

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

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fixed a deadlock in usbdeauthorizeinterface Among the attribute file callback routines in drivers/usb/core/sysfs.c, the interfaceauthorizedstore function is the only one that acquires a device lock on an ancestor devic...

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

In the Linux kernel, the following vulnerability has been resolved: fbdev: pxafb: Fixed possible use after free in pxafbtask. In the pxafbprobe function, it calls the pxafbinitfbinfo function. After that, &fbi-task is associated with pxafbtask. Moreover, within this pxafbinitfbinfo function, the...

Astra Linux – Vulnerability in Linux

The file net/bluetooth/hcirequest.c in the Linux kernel, up to version 5.12.2, contains a race condition related to the removal of the HCI controller...

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: iio: adc: at91-sama5d2adc: Fixed a potential use-after-free in the sama5d2adc driver. The at91adcinterrupt function can call the at91adctouchdatahandler function to initiate the processing via schedulework&st-touchst.workq. If we...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “IB/isert: Fix incorrect release of isert connection” The commit with ID 699826f4e30a “IB/isert: Fix incorrect release of isert connection” is causing problems when DEVICEREMOVAL occurs in OPA. ------------ Cut here ------------...

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: scsi: ufs: bsg: Set bsgqueue to NULL after removal. Currently, this does not cause any issues, but I believe it is necessary to set bsgqueue to NULL after removing it to prevent potential use-after-free UAF accesses...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: Base: Component – A memory leak was fixed in the use of debugfslookup. When calling debugfslookup, the result must also call dput on it; otherwise, a memory leak will occur over time. To simplify things, simply call...

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

In the Linux kernel, the following vulnerabilities have been resolved: hwrng: virtio – Fixed a race condition related to dataavail and actual data. The virtio rng device initiates a new entropy request whenever the data available becomes zero. When a new request occurs at the end of a read...

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

In the Linux kernel, the following vulnerability has been resolved: serial/pmaczilog: The flawed mitigation for rx irq flood has been removed. The mitigation was intended to completely stop the irq. This might be better than a hard lock-up, but it turns out that a crash still occurs if pmaczilog ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed a kernel crash during module removal The driver incorrectly releases the client instance, and subsequent removal of the i40e module leads to a kernel crash. Reproducing the issue: 1. Perform an offline ethtool test...