Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: xdp: Fixed zero-copy frame layout. The xdpconvertzctoxdpframe function clones an XSK packet into an order-0 page and uses PAGESIZE as the frame size. This allows the cloned frame to occupy the page tail required by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek – Performing a runtime PM get operation on controllers during probing. The mt8183-mfgcfg component has a mutual dependency with genpd during the probing stage, which leads to a deadlock in the following call stack:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Prevent access to vCPU events before init Another day, another syzkaller bug. KVM erroneously allows userspace to pend vCPU events for a vCPU that hasn't been initialized yet, leading to KVM interpreting a bunch of...

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: media: uvcvideo: Remove dangling pointers When an async control is written, we copy a pointer to the file handle that initiated the operation. That pointer will be used when the device is completed—which could happen at any time ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rtla/osnoise: Prevent NULL dereferencing in error handling. If the allocation of "tool-data" fails, there is no need to call osnoisefreetop. In fact, doing so will lead to a NULL dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: habanalabs: fixed a possible memory leak in MMU DR fini. This patch corrects what appears to be a copy-paste error. A memory leak will occur if the host-resident shadow is NULL which is likely to happen since the DR and HR are no...

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: VMCI: fixed a race condition between vmcihostsetupnotify and vmcictxunsetnotify. During our testing, it was found that a warning can occur in trygrabfolio. The detailed error message is as follows: ----------- Cut here ----------...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent lpfcdebugfslockstatwrite buffer overflow A static code analysis tool identified the possibility of buffer overflow when using copyfromuser for a debugfs entry. Currently, it is possible that copyfromuser copie...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: Signal: Fix for restoring SVE context When SME is supported, restoring the SVE signal context can fail in several ways. This can result in the task being placed in an invalid state, where the kernel might read from...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipmi: Revised the handling of user message limits. The limit on the number of user messages had several issues; improper counting occurred in some cases, and there were issues with operations after memory allocation. The process...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/hfi1: Free RX data in case of a late probe failure. The hfi1initdd function allocates the shared AIP/VNIC RX support before returning. If hfi1init or hfi1registeribdevice fails later, initone destroys the device data...

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: nilfs2: The error related to directory read operations from nilfsfindentry is now propagated to the calling functions. Syzbot reported that a task hang occurred in vcsopen during a fuzzing test for nilfs2. The root cause of this...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers. The basereleasememorypools function frees every ioc-pciesglookup entry unconditionally. This includes those entries that were never allocated during the setup loop, even...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: spi: tegra210-quad: Protect currxfer in tegraqspicombinedseqxfer The currxfer field is read by the IRQ handler without holding a lock. This allows the IRQ handler to check whether a transfer is in progress. When clearing the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/irdma: Fixed a data race on CQP completion statistics. CQP completion statistics is locked when used in irdmawaitevent and irdmacheckcqpprogress. However, it can also be updated in the completion thread irdmascccqgetcqein...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: igc: Fixed use-after-free errors during reset The next descriptor to be watched nexttowatch is cleared when cleaning the TX ring. Failure to do this can lead to invalid memory accesses. If igcpoll runs while the controller is...

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: net: sxgbe: fixed the potential NULL dereference in sxgberx. Currently, when skb is null, the driver prints an error and then dereferences skb on the next line. To fix this, we need to add a ‘break’ after the error message, so th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: host: isp116x: check the return value after calling platformgetresource. If platformgetresource returns NULL, it may lead to a nullptrderef error. Therefore, we need to check the return value...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: Check the return value of mdbitmapgetcounter. Check the return value of mdbitmapgetcounter in case it returns a NULL pointer, which would lead to a null pointer dereferencing. v2: Update the check to include...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: amt: The pointer to the skb header is reread after each pull operation. Several AMT receive and transmit paths cache the pointer to the skb header iphdr, ipv6hdr, ethhdr, or the AMT message header, and then call a helper...