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: net: ena: Fixed an out-of-bounds shift in the exponential backoff mechanism. The ENA adapters on our instances occasionally reset. Recently, a UBSAN failure was logged on the console during this process: UBSAN: Out-of-bounds shif...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915: Fixed potential context UAFs. The gemcontextregister function makes the context visible to user space, and a separate thread can trigger the I915GEMCONTEXTDESTROY ioctl command. Therefore, we need to ensure that...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb:dwc2: Fixed a memory leak in dwc2hcdinit usbcreatehcd will allocate memory for hcd, and we should call usbputhcd to free that memory when platformgetresource fails, thereby preventing the memory leak. To fix this issue, chang...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different cgroup or, in the case of writeback, it simply starts submitting bios associated with a different cgroup, bfqmergebio may operate with...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Correctly track subprogram poke descriptors and fix use-after-free Subprograms call mappoketrack, but during program release, there is no hook to call mappokeuntrack. However, during program release, the auxiliary memory and...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the drivers/usb/gadget/udc/udc-xilinx.c file within the Linux kernel, before version 5.16.12, the endpoint index was not validated, and it could be manipulated by the host for out-of-array access...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/secvar: A refcount leak has been fixed in formatshow. A refcount leak occurs when formatshow returns an error in multiple cases. Unified management of ofnodeput can fix this issue...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Staging: rtl8723bs – fixed a potential memory leak in rtwinitcmdpriv. In rtwinitcmdpriv, if pcmdpriv-rspallocatedbuf is allocated incorrectly, then pcmdpriv-cmdallocatedbuf will not be released properly. Additionally, since there...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: interconnect: Fixed locking issues related to runpm vs. reclaim. For cases where iccbwset can be called in paths that may lead to deadlocks with shrinker/reclaim, such as during runpm resume, we need to separate the icc lockin...

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: media: tuners: qt1010: Replace BUGON with a regular error message. BUGON is unnecessary here, and it also causes confusion in the smatch function. Replacing BUGON with an error message helps to resolve this issue. Warning:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: SCTP: Fixed a memory leak in sctpstreamoutqmigrate. When sctpstreamoutqmigrate is called to release resources related to streamouts, the memory pointed to by priohead in the streamout context is not released properly. The details...

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

In the Linux kernel, the following vulnerability has been resolved: mm/swap: Fixed the race condition between swapoff and getswappages. The si-lock must be held when deleting the si from the available list. Otherwise, another thread may re-add the si to the available list, leading to memory...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: misc: fastrpc: Do not remove the map from createprocess and devicerelease functions. Do not remove the map from the list during the error handling in fastrpcinitcreateprocess. Instead, call fastrpcmapput to avoid a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: xprtrdma: fixed pointer dereferencing in error cases of rpcrdmaepcreate. If there are failures, we must not leave non-NULL pointers with error values. Otherwise, rpcrdmaepDestroy will be confused and try to free those pointers...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fixed data corruption caused by fallocate. When fallocate creates holes in the inode size, if the original size is located in the middle of the last cluster, then the portion of the block from the original size to the end ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: A possible resource leak was fixed in icomprobe. When pcireadconfigdword failed, calls to pcireleaseregions and pcidisabledevice were made to reallocate the previously allocated resources...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM – Fix for a panic occurring on an out-of-bounds guest IRQ. Since the guestIRQ comes from the KVMIRQFD API call, it may trigger a crash in svmupdatepiirte, due to an out-of-bounds access. Crash output: pid: 22218 task:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Do not decrement the preempt count of the idle task when the CPU is offline. With PREEMPTCOUNT=y, when a CPU is offline and then brought back online, we encounter the following issue: BUG: Scheduling while atomic:...

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

A NULL pointer dereference flaw was discovered in the Linux kernel’s ipv4 stack. The socket buffer skb was assumed to be associated with a device before calling ipoptionscompile. However, this assumption does not always hold if the skb is rerouted by ipvs. This issue may allow a local user with...

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

In the Linux kernel, the following vulnerability has been resolved: media: imon: fix access to invalid resources for the second interface The imon driver probes two USB interfaces. When probing the second interface, the driver assumes blindly that the first interface was bound to the same imon...