Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: Added guards for HIDCLAIMEDINPUT in raw event callbacks; these guards were previously missing. In commit 2ff5baa9b527 “HID: appleir: Fix potential NULL dereference at raw event handling”, we addressed the issue where raw eve...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Turn quotas off if mount fails after enabling quotas Yi discovered during a review of the patch “ext4: Don’t report errors with inconsistent journal features” that when ext4markrecoverycomplete returns an error value, the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: rejecting negative ifindex values Recent changes in net-next commit 759ab1edb56c refactored the handling of pre-assigned ifindex values. This led to a latent issue in ovs. ovs does not validate ifindex values,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/scs: The task stack state is reset in bringupcpu. When a CPU is hot-plugged, the idle task on that CPU calls several layers of C code before finally leaving the kernel. When KASAN is in use, a “poisoned” shadow is left behi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the proc subsystem, the same handling is used for checking proclseek as for procreaditer and others. Checking pde-procops-proclseek directly may lead to a Use-After-Value UAF in the rmmod scenario. There is a bug in procregope...

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: In net:tIPC, there is a fix for the refcount warning in tipcaeadencrypt. The syzbot report identified a refcount warning 1 caused by calling getnet on a network namespace that is being destroyed refcount=0. This occurs when a TIP...

Astra Linux – Vulnerability in libxml2

A issue was discovered in libxml2 before version 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logical errors. In one case, a double-free can occur...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Zoned: Fixed a deadlock between metadata writeback and transaction commit. When writing out metadata extent buffers in a zoned filesystem, btreewritepages holds fsinfo-zonedmetaiolock throughout the entire writeback loop,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dm: Avoid leaking the caller’s thread keyring via the table device file. The refactoring in commit a28d893eb327 “md: port block device access to file” accidentally causes the caller’s thread keyring to remain alive beyond the...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed an out-of-bounds read of dfv17channelnumber. Check the fbchannelnumber range to avoid out-of-bounds read errors...

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: KVM: Explicitly verify that the target vCPU is online in kvmgetvcpu. It is necessary to explicitly verify that the target vCPU is fully online prior to clamping the index in kvmgetvcpu. If the index is “bad”, the nospec clamping...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: When a non-Ethernet device is used as a slave in a bonding configuration, the IFFSLAVE flag of the bonding device must be restored if the slave device fails. A warning was reported by syzbot1. In this case, the bonding device...

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: gpio: gr gpio: Add a NULL check in gr gpioprobe. The devmkasprintf function can return a NULL pointer if it fails, but this returned value in gr gpioprobe is not checked. Add a NULL check in gr gpioprobe to handle the potential...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Memory issue: tegra20-emc – fixed a reference bug related to the OF node in tegraemcfindnodebyramcode. When the offindnodebyname function releases the reference to the argument “device node”, the tegraemcfindnodebyramcode functio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: TCP: fixed page frag corruption upon a page fault. Steffen reported a corruption of the TCP stream for HTTP requests served by the Apache web-server, using a CIFS mount-point and the corresponding file’s memory mapping. The root...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fixed an out-of-bounds condition during the parsing of TCP options. The TCP option parser in mptcp mptcpgetoptions could read one byte out of bounds. When the length of the option is 1, the execution flow enters a loop,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Fixed a potential VPE leak upon error. In itsvpeirqdomainalloc, when itsvpeinit returns an error, there is an off-by-one issue with the number of VPEs that need to be freed. This issue was fixed by simply...

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

In the Linux kernel, the following vulnerabilities have been resolved: ip6tunnel: Use skbvlaninetprepare in ip6tnlrcv. The responsible commit did not handle VLAN encapsulation as detected by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 Bug: KMSAN: uninit-value in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Improved error handling for ext4dirhash The ext4dirhash function almost never fails, especially since the “hash tree” feature was first introduced. However, with the addition of support for encrypted, case-folded file names...