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: AppArmor: The recursive profile removal method has been replaced with an iterative approach. The profile removal code uses recursion when removing nested profiles, which can lead to kernel stack exhaustion and system crashes...

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

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 in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Allow waiting for commands to complete on removed devices When an SCSI device is removed while still in active use, currently, sg will immediately return -ENODEV whenever an attempt is made to wait for active commands...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fixed a deadlock in the “disable” sysfs attribute. The show and store callback routines for the “disable” sysfs attribute in port.c acquire the device lock for the port’s parent hub. This can cause problems if another...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: pm80xx: A memory leak was fixed during the rmmod process. The driver failed to release all the memory it had allocated. This could lead to a memory leak during the removal of the driver. Memory is properly freed when the...

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: ASoC: core: Check for rtd == NULL in sndsocremovepcmruntime The function sndsocremovepcmruntime might be called with rtd == NULL, which will lead to a null pointer derefrence. This issue was reproduced when topology loading was...

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: atm: The atmdevmutex is released after removing procfs in atmdevderegister. syzbot reported a warning during atmdevregister. 0 Before creating a new device and procfs/sysfs for it, atmdevregister looks up a duplicate device throu...

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: blk-iocost: Do not issue a warning if iocg was already offline. In iocgpaydebt, a warning is triggered if ‘activelist’ is empty. This is intended to confirm that iocg is active when it has debts. However, a warning can still be...

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: PCI: pnvphp: Clean up allocated IRQs on unplug When the root of a nested PCIe bridge configuration is unplugged, the pnvphp driver leaks the allocated IRQ resources for the child bridges’ hotplug event notifications, resulting in...

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: jbd2: removed the incorrect sb-ssequence check. The emptiness of the journal is determined not by sb-ssequence == 0, but rather by sb-sstart == 0 which is set a few lines above. Moreover, 0 is a valid transaction ID, so the check...

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

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fixed a use-after-free vulnerability in switchtecntbremove due to a race condition. In the switchtecntbadd function, it is possible to call the switchtecntbinitsndev function. Then, &sndev-checklinkstatuswork...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: macb: fixed the handling of clk in the PCI glue driver removal platformdeviceunregister may still need to use the registered clks during the runtime resume callback. PCIunregisterdriver+0x26/0x220...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ipvs: A warning in ipvscleanupbatch has been fixed. 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 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fixed an oops during rmmod on single-CPU platforms. During the removal of the idxd driver, a registered offline callback was invoked as part of the cleanup process. However, on systems with only one CPU online, n...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Properly terminating the timer upon removal The USB-audio MIDI code initializes the timer, but in a rare case, the driver might be freed without the disconnect call being made. This leaves the timer in an active...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 5.10, 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 – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: coresight: Properly clear the connection field. The coresight devices track their connections output connections and hold a reference to the fwnode. When a device goes away, we iterate through the devices on the coresight bus and...

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...