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: USB: uas: Fixing the URB unmapping issue when the UAS device is removed during ongoing data transfer When a UAS device is unplugged during data transfer, there is a possibility of a system panic occurring. The root cause is...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/panel/panel-sitronix-st7701: Remove the panel when DSI attachment fails. In the event that mipidsiattach fails, call drmpanelremove to avoid a memory leak...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A use-after-free flaw was identified due to a race between the superblock operations in the gadgetfs Linux driver. This flaw could be triggered by removing a device that is running the gadgetfs side...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In tcpconnrequest, do not call reqskfastopenremove. The syzbot reported the following issue in tcpconnrequest: 0 If a listener is closed while a TFO socket is being processed in tcpconnrequest, inetcskreqskqueueadd does not set...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: ocelot: The function dsatag8021qunregister is called under rtnllock when removing a driver. When the currently used tagging protocol is “ocelot-8021q”, and we unbind the driver, we encounter this error: bash $ echo...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Writeback: Avoid use-after-free after removing a device. When a disk is removed, bdiunregister is called to stop further writeback operations and wait for the associated delayed tasks to complete. However, wb inodewritebackend ma...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: meson-gx: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, it will cause two issues: 1. The memory allocated in mmcallochost may be leaked. 2. In the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gvt: fixed the issue where gvt debugfs destruction occurred unexpectedly. When gvt debugfs is destroyed, it is necessary to perform a check to ensure that the DRM minor’s debugfs root is still available. Otherwise, in...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: alcor: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, the memory allocated in mmcallochost will be leaked, leading to a kernel crash due to the remov...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: fixed page mapping when vmareaallocpages uses high-order fallback to order 0. The vmappagesrangenoflush function assumes that its argument pages contains pages with the same page shift. However, since commit...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: fixed a memory leak caused by using debugfslookup. When calling debugfslookup, the result must be processed with dput, otherwise memory leaks will occur over time. To simplify things, simply call debugfslookupandremove, whic...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: cx25821: Fixed the warning when removing the module When removing the module, the following warning will appear: 14.746697 removeprocentry: Removing the non-empty directory ‘irq/21’; data is being leaked at least from...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipvs: fixed an warning in ipvscleanupbatch. During the initialization of ipvsconnnetinit, if the files ipvsconn or ipvsconnsync fail to be created, the initialization is successful by default. Therefore, the ipvsconn or...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: The pointer to debugfsdir is set to NULL after removing debugfs. If init debugfs fails during device registration due to a memory allocation failure, the function debugfsremoverecursive is called. However, debugfsd...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: spmi: mediatek – Fixed UAF issue when removing devices The pmif driver data containing the clocks is allocated together with spmicontroller. When a device is removed, spmicontroller is freed first, and then the devices, including...

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: PCI/PM: Drain runtime-idle callbacks before driver removal A race condition between the .runtimeidle callback and the .remove callback in the rtsxpcr PCI driver leads to a kernel crash due to an unhandled page fault 1. The proble...

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

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fixed a use-after-free in epremovewaitqueue If a non-root cgroup is removed while there is a thread that registered a trigger and is polling on a pressure file within the cgroup, the polling waitqueue will be freed in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Driver: Base – Fixed UAF when driverattach fails When driverattachdrv fails, the driverprivate variable is freed. However, it was added to the bus, which caused a UAF Use-after-Free error. To fix this issue, we need to remove it...

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: spi: mpc52xx: Added “cancelworksync” before module remove. If we remove the module that will call mpc52xxspiremove, it will free the “ms” through spiunregistercontroller. However, the “work” stored in ms-work will still remain...

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: ipv6: Release the next-hop information upon device removal The CI is experiencing some non-periodic hangs during device removal in the pmtu.sh self-test: unregisternetdevice: Waiting for vethA-R1 to become available. Usage cou...