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: rtmutex: Use waiter::task instead of current in removewaiter. removewaiter is used by the slowlock paths, but it is also used for proxy-lock rollback in rtmutexstartproxylock when invoked from futexrequeue. In the latter case,...

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

In the Linux kernel, the following vulnerability has been resolved: fs/proc: dotaskstat: The sig-statslock lock is used to gather statistics about threads/children. The locktasksighand function can cause a hard lockup. If NRCPUS threads call dotaskstat at the same time, and the process has...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: A use-after-free issue was addressed for aborted SSP/STP sastask operations. Currently, a use-after-free may occur if an sastask is aborted by the upper layer before we handle the I/O completion in mpisspcompletion ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Fix refcount issue when LOGO is received during TMF A hung task trace was observed during LOGO processing. 974.309060 0000:00:00.0: qedfehdevicereset:868: 1:0:2:0: LUN RESET issued… 974.309065 0000:00:00.0:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: All requests are flushed after setting CACHEFILESDEAD. In ondemand mode, when the daemon is processing an open request, if the kernel marks the cache as CACHEFILESDEAD, the cachefilesdaemonwrite function will always...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/restrack: The MR restrack must be released when it is deleted. The MR restrack also needs to be released when it is deleted; otherwise, a memory leak may occur, as the task struct will not be released...

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: rcuscale: Move rcuscalewriter’s scheduletimeoutuninterruptible function to idle. The rcuscale.holdoff module parameter can be used to delay the start of rcuscalewriter’s kthread. However, the hung-task timeout will trigger when t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: aqc111: Do not perform PM inside suspend callback syzbot reports “task hung in rpmresume” This issue is caused by aqc111suspend calling the PM variant of its writecmd routine. The simplified call trace looks like this:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fixed a use-after-free bug in smpexecutetasksg When executing an SMP task fails, the smpexecutetasksg function calls deltimer to delete the “slowtask-timer” timer. However, if the timer handler sastaskinternaltimedo...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Ensure that pages are unlocked in case of a failure in cowfilerange. There is a hangtask report for zoned btrfs as follows: https://github.com/naota/linux/issues/59 726.328648 INFO: Task rocksdb:high0:11085 blocked for...

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

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 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: slub: Fix the invocation of flushcpuslab and freeslab in the task context. The commit 5a836bf6b09f “mm: slub: Move the invocation of flushcpuslab and freeslab out of the IRQ context” fixes this issue by moving all invocations...

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: posix-cpu-timers: A race condition between handleposixcputimers and posixcputimerdel has been fixed. If a task that exits without autoreaping has already called exitnotify and calls handleposixcputimers from the IRQ, it can be...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: futex: Prevention of use-after-free during requeue-PI The syzbot was able to trigger the following race condition: T1 → T2 The sequence of operations is as follows: c futexwaitrequeuepi futexdowait schedule futexrequeue...

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: scs: A wrong parameter was fixed in scsmagic. The scsmagic function requires a void variable, but a struct taskstruct is provided instead. taskscstsk represents the starting address of the task’s shadow call stack, and...

Astra Linux – Vulnerability in Chromium

A heap buffer overflow in the Task Manager of Google Chrome prior to version 97.0.4692.99 allowed a remote attacker to potentially exploit heap corruption through specific user interactions...

Astra Linux – Vulnerability in Chromium

A heap buffer overflow in the Task Manager of Google Chrome prior to version 97.0.4692.99 allowed a remote attacker who convinced a user to engage in specific user interactions to potentially exploit heap corruption through a crafted HTML page...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: perf: Fixed event leakage upon execution and file release The pending task work related to perf is never waited for when a matching event occurs. In the case of a child event released directly via freeevent, this can potential...

Astra Linux – Vulnerability in Firefox and Thunderbird

During operations on MessageTasks, a task may be removed while it is still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.15, Thunderbird 91.2, Firefox ESR 91.2, Firefox ESR 78.15, and Firefox 93...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: Core – Limit the length of unkillable synchronous timeouts The usbcontrolmsg, usbbulkmsg, and usbinterruptmsg APIs in usbcore allow for unlimited timeout durations. Since these APIs rely on uninterruptible waits, this create...