Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: atmel: The issue with reference counting was fixed in atmelnandcontrollerinit. The reference counting issue occurs in several error handling paths involving an object with a refcount, called “nc-dmac”. In these path...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tools/nolibc/stdlib: Fixed a memory error in the realloc function. Passed userplen to memcpy, instead of heap-len, to prevent realloc from copying an additional sizeofheap bytes beyond the allocated region...

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

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Discarded command completions in internal errors. Fixed the use of “free” after a device enters an internal error state. Avoid calling the completion handler in this case, as the device will flush the command interfa...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: hecubafb: A potential memory leak has been fixed in hecubafbprobe. The memory allocated for pagerefs in fbdeferredioinit is not freed on the error path. This issue was addressed by calling fbdeferrediocleanup...

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

In the Linux kernel, the following vulnerability has been resolved: iommusvabinddevice should return either a device handle or an ERRPTR value in error cases. Existing drivers idxd and uacce only check the return value using ISERR. This could potentially lead to a NULL pointer dereferencing issue...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: udf: Fixed NULL pointer dereferencing in the udfsymlink function. In the udfsymlink function, epos.bh is assigned the value returned by udftgetblk. The udftgetblk function is defined in udf/misc.c and returns the value of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: fix resource leaks in vdecmsgqueueinit If any error occurs in vdecmsgqueueinit, we need to set msgqueue-wdmaaddr.size = 0;. Normally, this is done inside the vdecmsgqueuedeinit function. However, if the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Allow ext4getgroupinfo to fail. Previously, ext4getgroupinfo would treat an invalid group number as a BUG, since this should theoretically never happen. However, if a malicious attacker modifies the superblock via the block...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: brcmfmac: pcie: Firmware is released in the brmflpciesetup error path. This prevents memory leaks if the brmflchipgetraminfo function fails. Note that the CLM blob is released in the device removal path...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: misc: microchip: pci1xxxx: A double-free operation occurred in the error handling of gpauxbusprobe. When auxiliarydeviceadd returns an error, it then calls auxiliarialdeviceuninit. The callback function gpauxiliarydevicerelease...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sound/virtio: Fixed warnings related to cancelsync on uninitialized workstructs. Betty reported encountering the following warning: 8.709131 T221 WARNING: CPU: 2 PID: 221 at kernel/workqueue.c:4182 … 8.713282 T221 Call trace:...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in the Linux kernel before version 6.2. The ntfs3 subsystem does not properly check for correctness during disk reads, resulting in an out-of-bounds read in the ntfssetea function in fs/ntfs3/xattr.c...

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

In the Linux kernel, the following vulnerability has been resolved: usb: host: max3421-hcd: Fix error pointer dereference in probe cleanup The kthreadrun function returns error pointers, so the max3421hcd-spithread pointer can be either an error pointer or NULL. Check both cases before...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: rfcomm: Fixed a nullptrderef issue in rfcommchecksecurity. During our fuzz testing of the connection and disconnection processes at the RFCOMM layer, we discovered this bug. By comparing the packets generated during a...

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

In the Linux kernel, the following vulnerability has been resolved: gpio: davinci: Validate the obtained number of IRQs. The value of pdata-gpiounbanked is retrieved from the Device Tree. If the Device Tree is corrupted due to any error, this value can be arbitrary. Without this value validation,...

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: nilfs2: The error related to directory read operations from nilfsfindentry is now propagated to the calling functions. Syzbot reported that a task hang occurred in vcsopen during a fuzzing test for nilfs2. The root cause of this...

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

In the Linux kernel, the following vulnerability has been resolved: For the m68k architecture, the bus error is only forced if the PC is not in the exception table. The getkernelnofault function copies data in supervisor mode when forcing a task backtrace log through /proc/sysrqtrigger. This is...

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

In the Linux kernel, the following vulnerability has been resolved: net/usb: kalmia: Do not pass actlen in the usbbulkmsg error path. syzbot reported that actlen in kalmiasendinitpacket is uninitialized when it is passed to the first usbbulkmsg error path. Jiri Pirko noted that it’s pointless to...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xfs: Do not propagate ENODATA disk errors into the xattr code. ENODATA also known as ENOATTR has a very specific meaning in the xfs xattr code: it indicates that the requested attribute name could not be found. However, a medium...

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: Bluetooth: btrtl – Prevent potential NULL dereferencing. The btrtlinitialize function checks whether rtlloadfile either had an error or loaded a zero-length file. However, if it loads a zero-length file, the error code is not set...