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: drm/amd/display: Stop amdgpudm initialize when link nums greater than maxlinks Reason The Coverity report indicates an OVERRUN warning. There are only maxlinks elements within dc-links. The number of links can reach...

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: afpacket: fixed vlangettci vs MSGPEEK The responsible commit forgot to handle the MSGPEEK case, resulting in a crash 1, as detected by syzbot. vlangettci was rewritten so that it does not touch the skb at all, allowing it to b...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: lantiqgswip: Do not use devres for mdiobus As explained in the commits: 74b6d7d13307 “net: dsa: realtek: Register the MDIO bus using devres” 5135e96a3dd2 “net: dsa: Do not allocate the slavemiibus using devres” The...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fix missing folio cleanup in writeback race path In zswapwritebackentry, after obtaining a folio from readswapcacheasync, we reacquire the tree lock to ensure that the swap entry was not invalidated or recycled. If it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: rcar: The WARN function has been replaced with devwarnratelimited in rcarpciewakeup. It is sufficient to warn the user that there has been a link problem. Either the link has failed and the system requires maintenance, or th...

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

In the Linux kernel, the following vulnerability has been resolved: drm/lima: The mask for IRQs is set in the timeout path before a hard reset. There is a race condition in which a rendering job may take just long enough to trigger the timeout handler for the DRM sched job, but it still completes...

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/sched: schqfq: Fixed a NULL dereference when deactivating an inactive aggregate in qfqreset. qfqclass-leafqdisc-q.qlen 0 does not imply that the class itself is active. Two qfqclass objects may point to the same leafqdisc. Th...

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: “vt: fix unicode buffer corruption when deleting characters” This is the same issue that was fixed for the VGA text buffer in commit 39cdb68c64d8 “vt: fix memory overlapping when deleting chars in the buffer”. The solution is als...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: remoteproc: core: Fix idafree call while not allocated In the rprocalloc function, when an error occurs, the putdevice&rproc-dev call is made, leading to the invocation of the rproctyperelease function. An error can occur before...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3 – A buffer overflow vulnerability may occur when reading coalesce info via debugfs. The hns3 driver defines an array of strings to store coalesce info. However, if the kernel introduces a new mode or state, a buffer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - For the media module, in the mtk-mdp component, error handling in the probe function has been fixed. - The function mtkmdpunregisterm2mdevice has been added to the error handling path to prevent resource leaks. - A check for...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel, where the non-blocking socket operation in llcpsockconnect leads to a leak and ultimately causes the system to hang...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fixed soft lockups in fib6selectpath under high next hop changes. Soft lockups were observed on a cluster of Linux-based edge routers located in a highly dynamic environment. Using the bird service, these routers continuous...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: transportipc: Validate the payload size before reading the handle. The handleresponse function dereferences the payload as a 4-byte handle without verifying that the declared payload size is at least 4 bytes. A malformed o...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netlink: Annotate lockless accesses to nlk-maxrecvmsglen. syzbot reported a data race in netlinkrecvmsg. Indeed, netlinkrecvmsg can be executed concurrently, and netlinkdump also requires protection. 1 Bug: KCSAN: Data race in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: block: Do not revert the iterator for -EIOCBQUEUED. The blkdevreaditer function includes some unusual checks. For example, it gates the position and count adjustment based on whether the result is greater than or equal to zero...

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

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: Fixed the detection of protocol fallback using BPF. The sockmap feature allows for BPF syscall from user space, or based on BPF sockops, replacing the skprot of sockets during protocol stack processing with sockmap’s...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Do not retire an aborted MMIO instruction Returning an abort to the guest for an unsupported MMIO access is a documented feature of the KVM UAPI. However, it’s clear that this functionality has been tested limitedly, ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: sf-pdma: Added multithread support for a DMA channel. When we obtain a DMA channel and attempt to use it across multiple threads, it can lead to errors and cause the system to hang. bash % echo 64...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Do not allow CHAINID to refer to another table. When performing lookups for chains within the same batch using their IDs, a chain from a different table can be utilized. If a rule is added to a table but refe...