Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: An annotate data-race around kcm-rxpsock has been fixed. kcm-rxpsock can now be read without a lock in kcmrfree. The read and write operations have been adjusted accordingly. The same approach is used for kcm-rxwait in th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: An annotation was added for the data-race around kcm-rxwait. kcm-rxpsock can be accessed without a read lock in kcmrfree. The read and write operations should be annotated accordingly. syzbot reported: BUG: KCSAN: A...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/migrate: prevented potential UAF Unauthorized Arbitrary File Access. If we encounter the error path, the previous fence if there is one has already been put. Therefore, performing a fencewait might lead to UAF. We need to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Install a stub fence into potential unused fence pointers. When using cpu to update page tables, VM update fences are unused. Instead, install a stub fence into these fence pointers, rather than setting them to NULL...

Astra Linux – Vulnerability in imagemagick

ImageMagick 7.1.0-49 is vulnerable to Denial of Service attacks. When it parses a PNG image for example, for resizing, the conversion process may cause it to wait for stdin input...

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: bcache: Fixup btreecachewait list damage We encountered a kernel crash due to “listadd corruption”. next-prev should be prev 0xffff9c801bc01210, but it was actually fffff9c77b688237c. Next: 0ffffae586d8afe68. crash struct...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iommu/amd: Serialize sequence allocation under concurrent TLB invalidations. With concurrent TLB invalidations, the completion wait time might randomly time out. This occurs because the cmdsemval variable was incremented outsi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Handle the deactivation of DBCs when the owner leaves. When a DBC is released, the device sends a QAICTRANSDEACTIVATEFROMDEV transaction to the host via the QAICCONTROL MHI channel. QAIC handles this by calling...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SPI: sun6i – Fixing the race condition between DMA RX transfer completion and RX FIFO drain. Previously, the transfer-completion interrupt would immediately drain the RX FIFO to read any remaining data in the FIFO into the RX...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Add GFPNOIO to the bio completion if necessary. The bio completion path in the process context e.g., dm-verity will directly call into decompression instead of triggering another workqueue context for minimal scheduling...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Handle mailbox timeouts in lpfcgetsfpinfo The MBXTIMEOUT return code is not properly handled in lpfcgetsfpinfo, and the routine unconditionally frees the submitted mailbox commands, regardless of the return status. Th...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Added TMF to tmrlist handling An abort that is responded to by iSCSI itself is added to tmrlist, but it does not go to the target core. A LUNRESET that goes through tmrlist takes a refcounter on the abort and...

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

A issue was discovered in the file drivers/media/dvb-core/dvbfrontend.c within the Linux kernel version 6.2. There is a blocking operation that occurs when a task is in the !TASKRUNNING state. In the function dvbfrontendgetevent, the function waiteventinterruptible is called; the condition used i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfs: Fixed the pre-flush behavior when appending to a file in writethrough mode. In netfsperformwrite, when the file is marked as NETFSICTXWRITETHROUGH or OSYNC or RWFSYNC, write-through caching is performed on a buffered file...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdkfd: Fixed an illegal memory access In the kfdwaitonevents function, the kfdeventwaiter structure is allocated by alloceventwaiters. However, the event field of the waiter structure is not initialized. When the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gadgetfs: epio – wait until IRQ finishes. After usbepqueue, if waitforcompletioninterruptible is interrupted, we need to wait until IRQ is completed. Otherwise, complete from epiocomplete can corrupt the stack...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-throttle: prevented overflow during the calculation of wait time. There is a problem identified during code review in tgwithinbpslimit; the expression ‘bpslimit jiffyelapsedrnd’ might cause an overflow. This issue can be fixe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: prevents reg-wait speculation. By using ENTEREXTARGREG instead of passing a user pointer along with arguments for the waiting loop, the user can specify an offset within a pre-mapped region of memory. In this case, offse...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: idpf: fixed the PREEMPTRT raw/bh spinlock nesting issue for async VC handling The code has been changed to use a local lock instead of the raw spinlock provided by the completion structure in the idpfvcxn struct. This conversion ...

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: refscale: Uninitialized use of waitqueueheadt was fixed. Running the refscale test occasionally causes the kernel to crash with the following error: 8569.952896 BUG: Unable to handle a page fault for address: ffffffffffffffe8...