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: clk: Get runtime PM before walking the tree during disableunused. Doug reported 1 the following hung task: INFO: task swapper/0:1 was blocked for more than 122 seconds. Not tainted 5.15.149-21875-gf795ebc40eb8 1 “echo 0...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel before version 5.19, the file drivers/gpu/drm/arm/malidpplanes.c misinterprets the return value of getsgtable. It expects the return value to be NULL in the error case, but in reality, it is an error pointer...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a corrupted group in ext4mbfindbygoal. The logic for checking whether the block bitmap of the group is corrupted is now placed under the protection of the group lock, thereby avoiding the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Fixed race conditions in pppfillforwardpath. pppfillforwardpath has two race conditions: 1. The ppp-channels list can change between listempty and listfirstentry, as ppplock is not held. If the only channel is deleted in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: Fixed the refcount leak in xivegetmaxprio. The function offindnodebypath returns a node pointer with the refcount incremented; we should use ofnodeput on it after processing. Added ofnodeput to prevent the refcount...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ixgbevf: Fixed compatibility issues with the mailbox API by negotiating supported features. There was backward compatibility regarding the mailbox API. Various drivers from different operating systems that support 10G adapters...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: A possible resource leak was fixed in icomprobe. When pcireadconfigdword failed, calls to pcireleaseregions and pcidisabledevice were made to reallocate the previously allocated resources...

Astra Linux – Vulnerability in firejail

A privilege context switching issue was discovered in the join.c file of Firejail 0.9.68. By creating a fake Firejail container that is accepted by the Firejail setuid-root program as a join target, a local attacker can enter an environment where the Linux user namespace remains the initial user...

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

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: cfg80211: Values of NL80211ATTRTXQQUANTUM are restricted. syzbot can trigger soft lockups by setting NL80211ATTRTXQQUANTUM to 2^31. We had a similar issue in schfq, which was fixed in the commit d9e15a273306 „pktsched: f...

Astra Linux – Vulnerability in exiv2

In Exiv2, from version 0.27.1 onwards, a malicious HTTP server can cause a denial of service crash due to a NULL pointer dereference by returning a crafted response that lacks a space character...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed pointer-leak due to insufficient speculative store bypass mitigation To mitigate Spectre v4, the patch 2039f26f3aca “bpf: Fixed leakage due to insufficient speculative store bypass mitigation” includes instructions...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: A 64-bit variable is used to avoid 32-bit overflow. For example, in the expression: vbo = 2 vbo + skip...

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

Closing an event channel in the Linux kernel can lead to a deadlock. This occurs when the closure operation is performed in parallel with an unrelated Xen console action, and the handling of a Xen console interrupt occurs in a unprivileged guest. The closure of an event channel is triggered, for...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - For MIPS architecture: In mipscpcdefaultphysbase, a refcount leak was fixed. - The function ofnodeput was added to release the refcount incremented by offindcompatiblenode...

Astra Linux – Vulnerability in Linux

In kernel/bpf/verifier.c in the Linux kernel before version 5.12.13, a branch prediction can be mispredicted e.g., due to type confusion, allowing a non-privileged BPF program to access arbitrary memory locations through a side-channel attack, known as CID-9183671af6db...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfq: Fix for integer overflow of “credit”. If schfq is configured with “initial quantum” values greater than INTMAX, the first assignment of “credit” will cause signed integer overflow, resulting in a very negative...

Astra Linux – Vulnerability in Qemu

In QEMU 5.0.0, the file hw/usb/hcd-ohci.c contains a stack-based buffer over-read issue, caused by values obtained from the host controller driver...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: USB: dummy-hcd: Fixed interrupt synchronization error This fixes an error in synchronization within the dummy-hcd driver. The error has a somewhat complex history. The synchronization mechanism was introduced in commit...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: netsec: fixed error handling in netsecregistermdio. If phydeviceregister fails, phydevicefree must be called to reset the reference count; thus, the memory associated with the phy device and its name can be freed in the...