Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: blk-cgroup: fixed a UAF vulnerability by acquiring the blkcg lock before destroying the blkg. KASAN reports a use-after-free issue during the fuzz test: 693354.104835...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: igbvf: fixed a double-free in igbvfprobe. In igbvfprobe, if registernetdev fails, the program will proceed to label errhwinit, and then to label errioremap. In freenetdev, which occurs just below label errioremap, there are...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: Freeing irq vectors in order for v3 HW If the driver probe fails to request the channel IRQ or fatal IRQ, the driver will free the IRQ vectors before freeing the IRQs in freeirq. This will cause a kernel BUG like...

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

In the Linux kernel, the following vulnerability has been resolved: perf/core: Abrupt exit if the requested AUX area is out of bounds. When using perf-record with a large AUX area, for example 4GB, the following error occurs: bash perf record -C 0 -m ,4G -e armspe0// -- sleep 1 Failed to mmap wit...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fixation of the shutdown order Ira reports that removing the cxlmockmem causes a crash with the following error message: BUG: Kernel NULL pointer dereferencing, address: 0000000000000044 .. RIP: 0010:...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “sh: push-switch: Reorder cleanup operations to avoid use-after-free bug” The original code placed “flushwork” before “timershutdownsync” in “switchdrvremove”. Although we use “flushwork” to stop the worker, it could be reschedul...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed the RX consumer index logic in the error path. In bnxtrxpkt, the RX buffers are expected to complete in order. If the RX consumer index indicates an out-of-order buffer completion, it means we are encountering a...

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: Input: tiam335xtsc – fixed an off-by-one error in the wireorder validation. The current validation wireorderi ARRAYSIZEconfig pins allows wireorderi to equal ARRAYSIZEconfig pins, which causes out-of-bounds access when used as an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hns3 – fixed a use-after-free bug in hclgevfsendmbxmsg. Currently, the hns3remove function first uninstalls the client instance, and then uninstalls the deletion engine device. The netdevice is freed during the client instan...

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: Bluetooth: hciuart: fixed a NULL pointer dereferencing in hciuartwritework The hciuartsetproto function sets HCIUARTPROTOINIT before calling hciuartregisterdev. This function calls proto-open to initialize hu-priv. However, if a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: iptables: Fixed a potential null-ptr-deref in ip6tablenattableinit. ip6tablenattableinit accesses net-gen-ptrip6tablenatnetops.id, but this function is exposed to user space before the entry is allocated via...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fixed a use-after-free in powersupplychanged. Using the devm variant for requesting IRQs before using the devm variant for allocating/registering the powersupply handle means that the powersupply handle wil...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: power: supply: cpcap-battery: Fixed the use-of-memory issue in powersupplychanged. By using the devm variant to request the IRQ before using the devm variant to allocate/register the powersupply handle, it becomes possible that t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: The issue of destroying KFD debugfs after destroying KFD wq has been addressed. Since the KFD proc content was moved to the kernel debugfs, we cannot destroy KFD debugfs before calling kfdprocessDestroywq. Moving...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: fixed the order of calls to strpinit and cleanup. strpinit is called just a few lines above this csk-skuserdata check. It also initializes strp-work, etc. Therefore, there’s no need to call strpdone to cancel the newly...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb3: Fixed the potential deadlock due to lock ordering in the cifssyncmidresult function. Coverity identified that the cifssyncmidresult function could lead to a deadlock. “Thread deadlock ORDERREVERSAL lockorder: Calling spinlo...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: spi: spi-fsl-lpspi: fixed the teardown order issue UAF There is an issue with the teardown order in the driver. The SPI controller is registered using devmspiregistercontroller, which delays the unregistration of the SPI...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: Avoid leaving partial pfn mappings in error cases. As Jann points out, PFN mappings are special. Unlike normal memory mappings, there is no lifetime information associated with the mapping—it’s just a raw mapping of PFNs,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mana: The use-after-free issue in manahwcdestroychannel has been fixed by reordering the teardown process. There is a potential race condition in manahwcdestroychannel. In this situation, hwc-callerctx is freed before the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: power: supply: bq25980: A use-after-free occurred in the powersupplychanged function. By using the devm variant to request the IRQ before using the devm variant to allocate/register the powersupply handle, the powersupply handle...