Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fixed a reference count leak in pprnotifier. According to the comments for pcigetdomainbusandslot, it returns a PCI device with a reference count that increments after use. The caller must decrement the reference count...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use the pmd-root from the last transaction when commit fails. Recently, we discovered a problem with a softlockup in the dm thin pool’s btree lookup code due to corrupted metadata. Kernel panic – not syncing: Softlockup;...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Fixed a potential null-ptr-deref due to drmmmodeconfiginit. drmmmodeconfiginit will call drmmodecreatestandardproperties, and it does not check the return value. When drmmodecreatestandardproperties fails due to allocatio...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: mtkdrmcrtc: Added checks for devmkcalloc. Since devmkcalloc may return NULL, the return value needs to be checked to avoid dereferencing a NULL pointer...

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

In the Linux kernel, the following vulnerability has been resolved: UDF: Detection of system inodes linked into the directory hierarchy When the UDF filesystem is corrupted, hidden system inodes may be linked into the directory hierarchy. This can lead to further serious corruption of the...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: A buffer overflow vulnerability has been addressed in ipv6findtlv. The value of optlen is retrieved without checking whether there are more than one bytes to parse. This can lead to a buffer overflow attack. This issue was...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Ring-Buffer: Handled race conditions between rbmovetail and rbcheckpages. It appears there is a data race between writing to the ringbuffer and performing integrity checks. Specifically, the RBFLAG of headpage is being updated,...

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: jfs: fixed an invalid free of JFSIPipimap-iimap in diUnmount. syzbot detected an invalid-free in diUnmount: BUG: KASAN: double-free in slabfree mm/slub.c:3661 inline BUG: KASAN: double-free in kmemcachefree+0x71/0x110...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: ARM: footbridge: fixed PCI interrupt mapping Since commit 30fdfb929e82 "PCI: added a call to pciassignirq in pcideviceprobe", the PCI code will call the IRQ mapping function whenever a PCI driver is probed. If these functions...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: The guard that prevented illegal access to the APIC register has been restored. According to SDM, “Any access that touches the bytes 4 through 15 of an APIC register may cause undefined behavior and must not be...

Astra Linux – Vulnerability in Linux

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, Linux 5.10

In f2fssetxattr in fs/f2fs/xattr.c in the Linux kernel, as of version 5.15.11, there is a potential for out-of-bounds memory access when an inode has an invalid last xattr entry...

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...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: w83792d A NULL pointer dereferencing issue was addressed by removing unnecessary structure fields. If the driver reads a value that is sufficient for the condition: val & 0x08 && !val & 0x80 && val & 0x7 == val 4 & 0x7...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: mpt3sas: A kernel panic occurred during the drive powercycle test. While iterating through Shost’s sdev list, it is possible that one of the drives is being removed, and its sastarget object is freed, but its sdev object...

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 5.10

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix tcpinittransfer so that icskcainitialized is not reset. This commit fixes a bug identified by syzkaller that could cause spurious double-initizations for congestion control modules. This could lead to memory leaks or oth...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86 – Handling of SRCU initialization failures during page track initialization Check the return value of initsrcustruct, which may fail due to OOM conditions when initializing the page track mechanism. Lack of checking lead...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iocost: Fixed the issue of dividing by zero when donating from cgroups with an active hweight of less than 2. The donation calculation logic assumes that the donor’s hweight remains non-zero after the donation. Therefore, the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ubifswbufwritenolock: A read out-of-bounds issue exists in this function. This issue occurs when ubifswbufwritenolock attempts to access memory beyond the allocated bounds of the buffer buf. Here’s an example of how this issue...