Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/kasan: Fixed an issue where the early region was not updated correctly. The shadow’s page table is not updated when PTERPNSHIFT is 24 and PAGESHIFT is 12. This not only causes false positives but also false negatives, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: bcmgenet: Use stronger register read/writes to ensure proper ordering. GCC12 seems to be much more efficient in tracking dependencies. It recognizes that relaxed variants are merely normal loads and stores, which is causi...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: NFSD: preventing integer overflow on 32-bit systems On a 32-bit system, the operation “len sizeofp” can lead to an integer overflow...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: erspan: Do not assume that the transport header is always set. Rewrite the tests for ip6erspantunnelxmit and erspanfbxmit to not assume that the transport header is set. syzbot reported: WARNING: CPU: 0 PID: 1350 at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the isotprcv function, there is a potential issue where race conditions may occur during CAN frame reception. When receiving a CAN frame, the current code logic does not take into account processes that are not actually runnin...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: The length check that causes memory corruption was corrected. We have experienced severe kernel crashes due to memory corruption in our production environment. For example: Call Trace: 1640542.554277 General protectio...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ARM: hisi: Add missing ofnodeput after offindcompatiblenode The offindcompatiblenode function will increment the refcount of the returned devicenode. Calling ofnodeput is necessary to avoid a refcount leak...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/slub: Actually fixed the issue with the freelist pointer and redzone allocation. It turns out that SLUB redzone allocation “slubdebug=Z” checks based on s-objectsize instead of s-inuse which is normally adjusted to make roo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ICE: Fixed NULL pointer dereferencing in iceunplugauxdev when resetting. Issuing a reset command while the driver is loaded without RDMA support will result in a crash, as the function attempts to remove a nonexistent auxbus...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: Fixed the signedness in the thislen calculation. When importing and using buffers, buf-len is considered unsigned. However, buf-len is converted to a signed integer during commit operations. This can lead to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fixed incorrect pte restoration for lazyfree folios. We batch unmap anonymous lazyfree folios using foliounmapptebatch. If the batch contains both writable and non-writable bits, we might end up making the entire batch...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Firmware: armscpi: Fixed string overflow in the SCPI genpd driver. Without the bounds checks for scpipd-name, a buffer overflow could occur when copying the SCPI device name from the corresponding device tree node. This occurs...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: isdn: cpai: Check ctr-cnr to avoid array index out of bounds. cmtpaddconnection adds a CMTP session to a controller and runs a kernel thread to process CMTP. modulegetTHISMODULE; session-task = kthreadruncmtpsession, session,...

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: Networks: Ethernet; mtkethsoc: fixed the issue of PPE hanging. A patch to resolve this issue was found in MediaTek’s GPL-licensed SDK. In the mtkppestop function, the PPE scan mode is not disabled before disabling the PPE. This...

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: tun: limits the printing rate when an illegal packet is received by the tun device. vhostworker calls tun callbacks to receive packets. If too many illegal packets arrive, tundoread continues to dump the packet contents. When...

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: vfio/pci: Created a persistent INTx handler. There exists a vulnerability where the eventfd for INTx signaling can be deconfigured. This causes the IRQ handler to be unregistered, but it still allows eventfds to be signaled with ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix inconsistent per-file compression format EROFS can select compression algorithms on a per-file basis. Each per-file compression algorithm needs to be marked in the on-disk superblock for initialization. However,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Synchronize the IOCB count to be in order A system hang was observed with the following call trace: BUG: Kernel NULL pointer dereference, address: 0000000000000000 PGD 0 P4D 0 Oops: 0000 1 PREEMPT SMP NOPTI CPU: 15...

Astra Linux – Vulnerability in Linux 5.10, Linux

A issue was discovered in the Linux kernel through version 5.18.14. The xfrmexpandpolicies function in net/xfrm/xfrmpolicy.c can cause the refcount to be dropped twice...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: blktrace: Fixed a UAF in the blkTraceAccess function after removal by sysfs. There is a use-after-free issue triggered by the following process: bash P1sda P2sdb echo 0 /sys/block/sdb/trace/enable blkTraceRemoveQueue...