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

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: fsl-asoc-card: Set priv-pdev before using it The priv-pdev pointer was set after it was used in fslasoccardaudmuxinit. This assignment should be moved to the beginning of the probe function, so that sub-functions can...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: dpaa2-eth: fix use-after-free in dpaa2ethremove Access to netdev after freenetdev will cause a use-after-free bug. Move the debug log before the freenetdev call to avoid this issue...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Reset the IH OVERFLOWCLEAR bit. This also allows us to detect subsequent IH ring buffer overflows...

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: geneve: Fixed header validation in geneve6xmitskb. syzbot is able to trigger an uninit-value in genevexmit. Problem: While most IP tunnel helpers such as iptunnelgetdsfield use skbprotocolskb, true, pskbinetmaypull only uses...

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

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: wmi: Fix for opening a char device Since the commit fa1f68db6ca7 “drivers: misc: passing the miscdevice pointer through file private data”, the miscdevice stores a pointer to itself within filp-privatedata. This mea...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed the RX consumer index logic in the error path. In bnxtrxpkt, the RX buffers are expected to complete in order. If the RX consumer index indicates an out-of-order buffer completion, it means we are encountering a...

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

In the Linux kernel, the following vulnerability has been resolved: riscv: Use READONCENOCHECK in the imprecise unwinding stack mode. When CONFIGFRAMEPOINTER is not set, the stack unwinding function walkstackframe randomly reads from the stack. When KASAN is enabled, this can lead to the followin...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdkfd: Fixed a race condition involving the unreferencing of the vram buffer in the svm code. The unreferencing of prange-svmbo can occur both in the mmu callback and in a callback after migrating to system RAM. Both are...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fixed handling of HCIEVIOCAPAREQUEST. If we receive HCIEVIOCAPAREQUEST while HCIOPREADREMOTEEXTFEATURES has not yet been responded to, assume that the remote supports SSP. Otherwise, this event should not be...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed potential OOPs in cifsoplockbreak With deferred close, there may be situations where closes cause races with lease breaks. Additionally, when checking whether to send the lease response, oplockresponse can lead to ...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nullblk: Always check the queue mode setting from configfs. Make sure to check the device queue mode in the nullvalidateconf function, and return an error for NULLQRQ since we do not allow legacy I/O paths. Without this patch, we...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ptp: Unregistering virtual clocks when unregistering a physical clock. When unregistering a physical clock that contains virtual clocks, the virtual clocks must also be unregistered. This fix resolves the following errors that...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: atl1c: Workaround for the DMA RX overflow issue. This work is based on the alx driver commit 881d0327db37 “net: alx: Workaround for the DMA RX overflow issue”. The alx and atl1c drivers both had RX overflow errors; therefore, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phy: phy-mtk-tphy: Fixed some resource leaks in mtkPhyInit. Used clkdisableunprepare in the error path of mtkPhyInit to address some resource leaks...

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

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/mlx5: Fixed an issue where a source warning occurred when accessing the Eth segment. ------------ Cut here ------------ memcpy: A field-spanning write was detected size 56 for the single field “eseg-inlinehdr.start” at...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fixed the warning “checkFlushDependency” in workqueue.c. In the commit aee2424246f9 “RDMA/iwcm: Fixed a use-after-free issue related to destroying CM IDs”, the function “flushworkqueue” was called to flush the work que...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: staging: media: zoran: move videodevalloc. Some code has been moved out of zr36057init, and new functions have been created to handle zr-videodev. This allows for easier code reading and fixes a memory leak related to...

Astra Linux – Vulnerability in Linux, Linux 5.10

A non-privileged write-to-file handler flaw exists in the Linux kernel’s control groups and namespaces subsystem. This flaw allows users to gain access to certain less-privileged processes that are controlled by cgroups, even when those processes have higher-privileged parent processes. This issu...

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

A use-after-free vulnerability in the Linux kernel’s netfilter:nftables component can be exploited to achieve local privilege escalation. Adding or removing rules from chain bindings within the same transaction can lead to use-after-free issues. We recommend upgrading to the version after the...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.9.1, as used with Xen up to version 4.14.x. The file drivers/xen/events/eventsbase.c allows for the removal of event channels during the event-handling loop a race condition. This can lead to a use-after-free or NULL pointer...