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: 9p/xen: fixed the issue of releasing the IRQ twice. Kernel logs indicate that the IRQ was released twice. The correct device ID must be passed during the IRQ release process. Dominique: removed the confusing variable “reset” to 0...

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: The neighnotify function can be called without RTNL or RCU protection. Use RCU protection to avoid potential Universal Atomic Faults UAF...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: A buffer overflow vulnerability has been addressed in ipv6findtlv. The value of optlen is retrieved without checking whether there are more than one bytes to parse. This can lead to a buffer overflow attack. This issue was...

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: In tomoyowritecontrol, do not emit a warning. syzbot reports a “too-large allocation” warning in tomoyowritecontrol. This occurs when a very long line can be written without a newline character. To fix this warning, I use GFPNOWA...

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: fou: Do not allow the value 0 for FOUATTRIPPROTO. The issue mentioned in the previous patch still exists in fouudprecv. If FOUATTRIPPROTO is set to 0, the buffer skb is neither freed by fouudprecv nor sent through...

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

In the Linux kernel, the following vulnerability has been resolved: gpio: davinci: Validate the obtained number of IRQs. The value of pdata-gpiounbanked is retrieved from the Device Tree. If the Device Tree is corrupted due to any error, this value can be arbitrary. Without this value validation,...

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: pstore/ram: fixed a buffer overflow in persistent RamSaveOld. The persistent RamSaveOld function can be called multiple times for the same persistent RamZone e.g., via ramoopspstoreread - ramoopsgetnextprz for PSTORETYPEDMESG...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix for a variable not being completed when the function returns When cmdallocindex fails, cmdworkhandler needs to complete ent-slotted before returning early. Otherwise, the task that issued the command may hang...

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: KVM: x86: using arrayindexnospec with indices that come from the guest min and destid are guest-controlled indices. Using arrayindexnospec after the bounds checks helps to mitigate speculative execution side-channels by clamping...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mm/khugepaged: fixed -anonvma race condition If an -anonvma is attached to the VMA, the collapseandfreepmd function requires it to be locked. Page table traversal is allowed under either the mmap lock, the anonvma lock if the...

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: vfio/pci: Created a persistent INTx handler. There exists a vulnerability where the eventfd for INTx signaling can be deconfigured. This causes the IRQ handler to be unregistered, but it still allows eventfds to be signaled with ...

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: RDMA/umad: Reject negative datalen in ibumadwrite ibumadwrite calculates datalen based on a user-controlled count and the MAD header sizes. When the user-defined MAD header size does not match the RMPP header length, datalen can...

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

In the Linux kernel, the following vulnerability has been resolved: In the xskmapdeleteelem function, an unsigned integer map-maxentries is compared with a user-controlled signed integer k. Due to implicit type conversion, a large unsigned value for map-maxEntries can bypass the intended bounds...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: swiotlb: Fixed the issue of information leakage due to DMAFROMDEVICE. The problem I’m addressing was discovered during the LTP test covering cve-2018-1000204. A brief description of what happens is as follows: 1 The test case sen...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: wdm: the race between wdmopen and wdmwwanportstop has been eliminated. Clearing WDMWWANINUSE must be the last action; otherwise, we may open a device whose URBs User-Redirected Behavior are still compromised...

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: gue: Fixed a skb memory leak associated with the inner IP protocol 0. The syzbot reported a skb memory leak below. 0 The repro process generated a GUE packet with its inner protocol set to 0. The function gueudprecv returns...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel before version 5.13.6, the drivers/usb/host/max3421-hcd.c file allowed physically nearby attackers to cause a denial of service including use-after-free errors and panic conditions by removing a MAX-3421 USB device under certain circumstances...

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 in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed a UAF Use-After-Free issue caused by a race condition involving ref-proc. A transaction of type BINDERTYPEWEAKHANDLE may fail to increment the reference count of a node. In this case, the target proc normally releas...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Add exception protection processing for vd in the axichanhandleerr function. Since there is no protection for vd, a kernel panic will be triggered in exceptional cases. You can refer to the processing of the...