Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Writeback: Avoid use-after-free after removing a device. When a disk is removed, bdiunregister is called to stop further writeback operations and wait for the associated delayed tasks to complete. However, wb inodewritebackend ma...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: ipc: Disabling and re-enabling the ACPI GPE bit The EHL Elkhart Lake-based platforms provide an out-of-band service that allows devices to wake up when the system is in the S5 Soft-Off state. This out-of-band...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: topology: A potential overflow issue was fixed in amufiesetup. The function cpufreqgetHWmaxfreq returns the maximum frequency in kHz as an unsigned int. However, the function freqinvsetmaxratio receives this frequency in H...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipvs: fixed an error in ipvsappnetcleanup During the initialization of ipvsappnetinit, if the file ipvsapp fails to be created, the initialization will still succeed by default. Therefore, the ipvsapp file will not be found durin...

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: amba: bus – fixed refcount leak The commit 5de1540b7bc4 from drivers/amba increases the refcount of ofnode, but does not release it in ambadevicerelease. This results in a refcount leak. By using ofnodeput to avoid the refcoun...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: cavium – prevents integer overflow during firmware loading. The value of “codelength” comes from the firmware file. If your firmware is untrusted, there’s probably very little you can do to protect yourself. Nevertheless,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: caif: A memory leak has been fixed in cfctrllinkuprequest. When linktype is unknown, or kzalloc fails in cfctrllinkuprequest, pkt is not released. Add a release process to the error handling logic...

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

The brcm80211 component in the Linux kernel, from version 6.5.10 onwards, has a use-after-free issue in the code for disconnecting devices via hotplug i.e., removing the USB connection. For attackers who have physical access and local privileges, “this could be exploited in a real-world scenario....

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush dev-IOTLB only when the PCIe device is accessible in scalable mode. The commit 4fc82cd907ac “iommu/vt-d: Do not issue ATS invalidation requests when the device is disconnected” relies on pcidevisdisconnected to...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: accel: bmc150: Fixed an issue with the irq assumption regression. The code in bmc150-accel-core.c unconditionally calls bmc150accelsetinterrupt in the iiobuffersetupops. This occurs, for example, during the runtime PM resume...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: fixed a situation where dereference operations occurred after a null check. Check the pointer hive before using it...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability was discovered in the Linux kernel, where a use-after-free condition could occur in nouveau’s postclose handler if a device is removed. This situation occurs when removing a device—a process that isn’t common for physically removing a video card without shutting down the system...

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: VLAN: Enforcing the underlying device type Currently, VLAN devices can be created on top of non-Ethernet devices. Aside from the fact that this approach doesn’t make much sense, it also causes a bug that leads to the leakage of t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Staging: rtl8712 – fixed bugs related to use of memory after deallocation. The Read/WriteMACREG callbacks are set to NULL, so the read/writemacreghdl functions do nothing other than freeing the “pcmd” pointer. This results in ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: md/bitmap: Do not set sb values if the sanity check fails. If the bitmap area contains invalid data, the kernel will crash. Then, mdadm will trigger a “Segmentation fault”. This is a bug specific to cluster-md. In non-clustered...

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

A denial-of-service issue was detected, possibly due to a recursive locking scenario, which led to a deadlock in the tableclear function in drivers/md/dm-ioctl.c within the Linux Kernel Device Mapper-Multipathing sub-component...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition between balance operations and cancel/pause requests. Syzbot reported a panic that occurred as follows: Assertion failed: fsinfo-exclusiveoperation == BTRFSEXCLOPBALANCEPAUSED, in fs/btrfs/ioctl.c:46...

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: TCP: Timers for kernel sockets are properly terminated. We received various reports from syzbot regarding TCP timers firing after the corresponding netns has been dismantled. Fortunately, Josef Bacik was able to trigger this issu...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: Ensure that we call ipv6mcdown at most once. There are two reasons why addrconfnotify is called with NETDEVDOWN: Either the network device is actually going down, or IPv6 was disabled on the interface. If either of the...

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: netfilter: nftables: Fixed a potential data race in nftexprtypeget. The function nftunregisterexpr can occur concurrently with nftexprtypeget. There is no protection when iterating over the nftablesexpressions list in...