Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cifs: Fixed an issue where credits were not updated upon failure in cifsissueread. Fixed an issue where the credits value was not updated during a failed execution of cifsissueread, so that retrying the subreq would not...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Reject sleepable BPFLSMCGROUP programs at load time The cgroup shim runs under rcureadlockdontmigrate, so we should not attach any sleepable BPF programs there. Add support to the verifier to explicitly reject attempts to lo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fixed an error in assigning the length of the scatterlist in the P2PDMA path. In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Bail out from dwc3gadgetexit if dwc-gadget is NULL. There exists a possible scenario in which dwc3gadgetinit may fail: during the switch between peripheral and host modes in dwc3setmode, and if a pending gadget...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: regmap-irq: Fixed an out-of-bounds access when allocating config buffers When allocating the 2D array for handling IRQ type registers in regmapaddirqchipfwnode, the intention is to allocate a matrix with numconfigbases rows and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nexthop: The nh-lock is taken during the f6ilist walk in the replace operation, but it is replaced promptly without holding the nh-lock. In this way, the RTNL-serialized nexthop replace operation occurs without holding the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dma-axi-dmac: The use of a DMA pool to manage DMA descriptors has been implemented. For architectures like Microblaze or Arm64 where this API is used, DMADIRECTREMAP is set, which means that dmaalloccoherent may remap...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed an uninitialized value in ‘ext4evict inode’. Syzbot identified the following issue: ===================================================== BUG: KMSAN: Uninitialized value in ext4evict inode+0xdd/0x26b0,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: PCI: Fixed a use-after-free in pcibusreleasedomainnr. The commit c14f7ccc9f5d “PCI: Assign PCI domain IDs using idaalloc” introduced a use-after-free bug during the bus removal process. This issue was discovered with kfence:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ICE: Fixed ‘scheduling while atomic’ in aux critical error interrupts There’s a kernel bug related to processing aux critical error interrupts in icemiscintr: 2100.917085 BUG: Scheduling while atomic: swapper/15/0/0x00010000… …...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: virtio/vsock: Fixed an uninit-value issue in virtiotransportrecvpkt KMSAN reported the following uninit-value access issues: ===================================================== BUG: KMSAN: uninit-value in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: md/raid1, raid10: fixed the issue where bio accounting was handled for split MD cloned bios. Use mdclonedbio to control bio accounting instead of relying on r1bioexisted in raid1 or the ioaccounting flag in raid10. The previou...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: removed BUGON functions in addnewfreespace In addnewfreespace, there were BUGON functions designed to handle any failures in adding free space to the in-memory free space cache. Such failures are mostly due to ENOMEM,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Avoid using prinfo with a spin lock in cblistinitgeneric. prinfo is called with the rtp-cbsgbllock spin lock locked. Since prinfo calls printk, which may sleep, this will result in a bug like the following: 0.206455...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, cgroup: Fixed a kernel bug in purgeeffectiveprogs Syzkaller reported a triggered kernel bug as follows: ------------ Cut here ----------- Kernel bug at kernel/bpf/cgroup.c:925! Invalid opcode: 0000 1 PREEMPT SMP NOPTI CPU...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: ti-vpe: cal: Fixed a NULL pointer dereference in calctxv4l2initformats. In calctxv4l2initformats, devmkzalloc is assigned to ctx-activefmt, and there is a dereference of it afterward. This could lead to a NULL pointer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext2/dax: Fixed ext2setsize when len is page-aligned. The PAGEALIGNx macro returns the next highest value that is a multiple of the page size. However, if x is already page-aligned, it simply returns x. Therefore, if x is passed ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed the issue where a new block group that becomes unused after creation could lead to a use-after-free condition. If a task creates a new block group and that block group becomes unused before it is fully created, durin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kho: Make sure that the scratch size is always aligned by CMAMINALIGNMENTBYTES. When using scratchscale, the scratch sizes are rounded up to CMAMINALIGNMENTBYTES, since they will be released as MIGRATECMA. This is not done when...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bounds: Use the correct number of bits for power-of-two CONFIGNRCPUS The function bitsper rounds up to the next power of two when a power-of-two value is passed to it. This can cause crashes on some machines and configurations...