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

In the Linux kernel, the following vulnerability has been resolved: dm flakey: Do not corrupt the zero page. When we need to zero a certain range on a block device, the function blkdevissuezeropages submits a write request with the bio vector pointing to the zero page. If we use the dm-flakey...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/idle: Marking archcpuidle as having no instructions. The linux-next commit “cpuidle: tracing: Warning about !rcuiswatching” adds a new warning that affects the archcpuidle function on the s390 architecture. WARNING: For CPU:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Media: si470x: Fixed a use-after-free in si470xintincallback Syzbot reported a use-after-free in si470xintincallback. This indicates that urb-context, which contains a struct si470xdevice object, is freed when si470xintincallback...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-axi-dmac: ignore interrupt if no descriptor If the channel has no descriptor and the interrupt is raised, the kernel will make a mistake. Check the result of vchannextdesc in the handler axichanblockxfercomplete to...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: ca8210: Stop leaking the skb structure. Upon an error, the ieee802154xmitcomplete helper function is not called. Only ieee802154wakequeue is called manually. As a result, the skb structure is leaked. Lease the sk...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: A potential reference count leak has been fixed in ndiscrouterdiscovery. This issue occurs on specific paths within the function. After the object rt and neigh are successfully acquired, when lifetime is non-zero but the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rtc: cmos: Fix event handler registration ordering issue Since acpiinstallfixedeventhandler automatically enables the event handling mechanism upon success, it is incorrect to call it before the handler routine is ready to handle...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: qrtr: The MHI channel should start after the endpoint creation. The MHI channel may generate an event/interrupt immediately after enabling. This can lead to two race condition issues. 1. Such events may be dropped by the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue occurs when testing as follows: a Using syscallNRSocket, 0x10ul, 3ul, 0 to create a netlink socket. b Using syscallNRSendMsg, ... to create a bond link device and a vxcan link device, and binding the vxcan device to the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/i915/vma: Fixed a UAF issue during destruction that could lead to a race condition. Object debugging tools occasionally reported illegal attempts to free an i915 VMA object when parking a GT that was believed to be idle...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: AppArmor: A memory leak has been fixed in multitransactionnew. In multitransactionnew, the variable t is not freed or passed away after a failure in the copyfromusert-data, buf, size operation. This could lead to a memory leak...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the net/sched/schcbq.c file of the Linux kernel, from version 6.1.4 onwards, cbqclassify allows attackers to cause a denial of service due to type confusion. Non-negative numbers can sometimes indicate a TCACTSHOT condition, rather than valid classification results, leading to improper...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a signed-integer-overflow bug in tcpaddbacklog The types of skrcvbuf and sksndbuf within the struct sock structure are int. In tcpaddbacklog, the limit for the buffer size is calculated by adding skrcvbuf, sksndbuf, an...

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

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: Fixed a possible NULL pointer dereferencing caused by driver concurrency. In dwc2hcdurbenqueue, the statement “urb-hcpriv = NULL” is executed without holding the lock “hsotg-lock”. In dwc2hcdurbdequeue: c...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Staging: r8188eu: prevented -Ssid overflow in rtwwxsetscan This code includes a check to prevent read overflow, but another check is needed to prevent writing beyond the end of the -Ssid array...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: Do not dereference ops-destroy with a null pointer. The cleanup of a KVM device occurs through either of two callbacks: 1 destroy, called when the VM is being destroyed; 2 release, called when a device file descriptor is...

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

In the Linux kernel, the following vulnerabilities have been resolved: sh: dma: Fixed the DMA channel offset calculation. Various SoCs from the SH3, SH4, and SH4A family, which use this driver, have different numbers of DMA channels, and these channels can be distributed across up to two DMAC...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ubifs: renamewhiteout: Fixed double-free of whiteoutui-data The variable whiteoutui-data will be freed twice if the space budget fails during the rename operation. The process is as follows: c renamewhiteout: dev = kmalloc...

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: net/mlx5: Fix for the memory leak in mlx5drcmdcreatereformatctx. When mlx5cmdexec fails in mlx5drcmdcreatereformatctx, the memory pointed to by ‘in’ is not released, which can lead to a memory leak. Move the memory release...

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

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: do not allow userspace to block driver unbind In the unbind callback for fuac1 and fuac2, a call to sndcardfree via gaudiocleanup will disconnect the card and then wait for all resources to be released, which...