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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Input: sparcsspkr – fixed the refcount leak in bbcbeepprobe. The function offindnodebypath calls ofnodeoptsbypath, which returns a node pointer with a refcount incremented. We should use ofnodeput on it after processing. Add...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

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, and this will cause a kernel BUG li...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iouring: fixed the memory leak related to the uid during file registration. When there are no files for iosqefilesscm to process within a certain range, it will free all resources and return. However, it forgot to set the uid...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Avoid out-of-bounds access when parsing CPC data If the NumEntries field in the CPC return packet is less than 2, do not attempt to access the “Revision” element of that packet, because it may not be present at that...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fixed the issue where the timer for starting a call race against the destruction of the call occurred. The rxrpccall structure contains a timer used to handle various timed events related to calls. This timer can be...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Free the page array when watchqueue is dismantled Commit 7ea1a0124b6d “watchqueue: Free the alloc bitmap when the watchqueue is torn down” addressed the issue with the bitmap, but not the page array. BUG: Memory leak...

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 – 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 5.15

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: A bug was fixed regarding accessing an array out of bounds. When an error occurs during the parsing of JPEG data, the corresponding slot may not be acquired yet. This could be due to the default value being...

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 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iommu: Fixed potential use-after-free during probe Kasan has reported the following use-after-free on dev-iommu: When a device probe fails and the dev-iommu is being freed. In the deviommufree function, deferredprobeworkfunc...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: bcmsf2: do not use devres for mdiobus As explained in the commits: 74b6d7d13307 "net: dsa: realtek: register the MDIO bus using devres" 5135e96a3dd2 "net: dsa: do not allocate the slavemiibus using devres" The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: Do not read mapcount for migration entries The syzbot reported the following bug: Kernel bug at include/linux/page-flags.h: 785 Invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1; PID: 4392; Comm: syz-executor560...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - net: dsa: ar9331: Register the MDIobus under devres. As explained in the commits: - 74b6d7d13307: “net: dsa: realtek: register the MDIO bus under devres” - 5135e96a3dd2: “net: dsa: don’t allocate the slavemiibus using devres...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Hold a reference to the port until the decoder is released. KASAN + DEBUGKOBJECTRELEASE reports a potential use-after-free in cxldecoderrelease. This function references its parent object, a cxlport, to free its id back...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: IB/hfi1: Fixed an early init panic issue. An early failure in hfi1ipoibsetuprn can lead to the following panic: BUG: Unable to handle a NULL pointer derefrence in the kernel at 00000000000001b0 PGD 0 P4D 0 Oops: 0002 1 SMP NOP...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: checking the return value after calling platformgetresource. This will cause a null-ptr-deref if platformgetresource returns NULL; therefore, we need to check the return value...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: fixed an unexpected zeroed page mapping with zram swap In cases where two processes are cloning under CLONEVM, a user process may be corrupted when seeing zeroed pages unexpectedly. CPU A CPU B doswappage doswappage...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Use deltimersync before freeing the timer. When checking a crash report regarding a corrupted timer list, it was found that this issue usually occurs when a timer is freed while still active. This problem is...