Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: filemap: Fixing the bounds checking in filemapread. If the caller provides an iocb-kipos value that is close to the upper limit of the filesystem, and an iterator with a count that causes us to exceed that limit, then filemapread...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fixed a potential data race in the PCM memory allocation helpers The PCM memory allocation helpers include a sanity check to prevent too many buffer allocations. However, this check is performed without proper locking,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: spufs: Fixing gang directory lifetimes Prior to “POWERPC spufs: Fix gang destroy leaks”, we had a problem with gang lifetimes. When a gang was created, the gang directory would be returned, and this directory would normally be...

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: x86/bugs: Using a code segment selector for the VERW operand Robert Gill reported the following issue in 32-bit mode when the dosemu software executed the vm86 system call: General protection fault: 0000 1 PREEMPT SMP CPU: 4 PID:...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: wext: Added an additional check for the number of channels returned by ioctlsock, SIOCSIWSCAN,..., to ensure that this number does not exceed IWMAXFREQUENCIES. Invalid requests will be rejected with the error...

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: wifi: rtlwifi: removed the unused checkbuddypriv function. The commit 2461c7d60f9f “rtlwifi: Update header file” introduced a global list of private data structures. Later, the commit 26634c4b1868 “rtlwifi: Modify existing bits t...

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

In the Linux kernel, the following vulnerabilities have been resolved: nbd: defer config put in recvwork There is one UAF issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: - nbdgenlconnect // confref=2 connect and recvwork A - nbdopen // confref=3 - recvwork A completed //...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: IB/mad: Do not call to functions that might sleep while in atomic context. Tracepoints are not allowed to sleep. As a result, the following error is generated due to a call to ibquerypkey in atomic context. WARNING: CPU: 0 PID:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix potential AB/BA lock issue with buffermutex and mmaplock The syzbot tool detected a potential deadlock between the runtime-buffermutex and the mm-mmaplock. This issue arose due to the recent fix related to racy...

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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fixed a use-after-free race condition in the fault handler. When a page fault occurs in a secret memory file created with memfdsecret2, the kernel will allocate a new folio for it, mark the underlying page as not...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad7124 – Fixed a potential overflow issue due to non-sequential channel numbers. Channel numbering must start at 0, and there should be no gaps between channels. Otherwise, it’s possible to exceed the available storage...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfc: rawsock: Cancel txwork before socket teardown In the rawsockrelease function, any pending txwork is canceled, and the write queue is cleared before orphaning the socket. The rawsocktxwork runs on the system’s workqueue and...

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: drm/amd/display: Added a check for granularity in the dml ceil/floor helpers. Why The wrapper functions for dcnbwceil2 and dcnbwfloor2 should check that granularity is non-zero, to avoid assertion errors and divide-by-zero errors...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel before 5.11.3 when a webcam device is present. The videousercopy function in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, identified as CID-fb18802a338b...

Astra Linux – Vulnerability in binutils

The bfdgenericreadminisymbols function in syms.c within the Binary File Descriptor BFD library also known as libbfd, as part of GNU Binutils 2.31, contains a memory leak that can occur due to an improperly crafted ELF file. This leads to a denial of service condition due to excessive memory...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Fixed a divide-by-zero bug in arksetpixclock Since the user can control the arguments of the ioctl function from the user space, there are special cases where a divide-by-zero bug may occur. For example, in:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek – Performing a runtime PM get operation on controllers during probing. The mt8183-mfgcfg component has a mutual dependency with genpd during the probing stage, which leads to a deadlock in the following call stack:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rtla/osnoise: Prevent NULL dereferencing in error handling. If the allocation of "tool-data" fails, there is no need to call osnoisefreetop. In fact, doing so will lead to a NULL dereferencing...

Astra Linux – Vulnerability in Firefox and Thunderbird

When a user clicks on an FTP URL containing encoded newline characters %0A and %0D, these newline characters are interpreted as such, allowing arbitrary commands to be sent to the FTP server. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...