Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/mglru: The issue of division by zero in vmpressurecalclevel has been fixed. evictfolios uses a second pass to reclaim folios that have undergone page writeback and become clean before the first pass is completed. This is becau...

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

In the Linux kernel, the following vulnerability has been resolved: Block: Initialize the integrity buffer to zero before writing it to the media. The metadata added by biointegrityprep uses the plain kmalloc function, which results in random kernel memory being written to the media. For PI...

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

In the Linux kernel, the following vulnerability has been resolved: padata: A potential “divide-by-0” panic has been fixed in padatamthelper. We are encountering a “divide-by-0” panic in padata.c during bootup. 10.017908 Oops: Divide error: 0000 1 PREEMPT SMP NOPTI 10.017908 CPU: 26 PID: 2627 Com...

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

In the Linux kernel, the following vulnerability has been resolved: serial: core: check uartclk for zero to avoid divide by zero Calling ioctl TIOCSSERIAL with an invalid baudbase can result in uartclk being zero, which will cause a divide by zero error in uartgetdivisor. The check for uartclk...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ublkdrv: A NULL pointer dereference issue was fixed in ublkctrlstartrecovery. When two UBLKCMDSTARTUSERRECOVERY commands are submitted, the first one sets ‘ubq-ubqdaemon’ to NULL, and the second one triggers a WARN in...

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

In the Linux kernel, the following vulnerabilities have been resolved: nvmet-tcp: Fixed a kernel crash that occurred when command allocation failed. If command allocation fails in nvmettcpalloccmds, the kernel crashes in nvmettcpreleasequeuework due to a NULL pointer dereferencing. nvmet: Failed ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The denominator pbndiv is checked before being used. WHAT & HOW The denominator cannot be 0, and this check is performed before it is used. This fix addresses a Divide-by-zero issue reported by Coverity...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Zero the value of ARGPTRTOLONG,INT in cases of errors. For all non-tracing helpers that previously had ARGPTRTOLONG,INT as input arguments, the value is set to zero in cases of errors. This prevents a potential memory leak...

Astra Linux – Vulnerability in Waitress

Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before Waitress has had the opportunity to call getpeername, Waitress will not properly clean up the connection. As a result, the main thread attempts to write to a socket that no long...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The default value of “denominators” should be set to 1. WHAT & HOW Variables that are used as denominators and may not be assigned to other values should not have a default value of 0. Change their default value ...

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

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Fixed illegal access in pppasyncencode. syzbot reported an issue with pppasyncencode. In this case, pppoesendmsg is called with a zero size. Then, pppasyncencode is called with an empty skb. BUG: KMSAN: Uninit-value in...

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

In the Linux kernel, the following vulnerability has been resolved: nouveau/dmem: Fixed the vulnerability in the migratetoram function when there is a copy error. The nouveaudmemcopyone function ensures that the copy push command is sent to the device’s firmware, but it does not track whether the...

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: ALSA: firewire-lib: Avoid division by zero in applyconstrainttosize The step variable is initialized to zero. It is changed during the loop, but if it isn’t changed, it will remain zero. Add a variable check before the division...

Astra Linux – Vulnerability in Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfrejectipv6: fixed a potential crash in nfsendreset6 I received a report from syzbot regarding a crash in nfsendreset6 without any detailed reproduction steps. I believe the issue lies in dev-hardheaderlen being se...

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: media: v4l2-tpg: prevent the risk of a division by zero According to Coverity’s reports, the logic in tpgprecalculateline blindly rescales the buffer even when scaledwitdh equals zero. If this occurs, it will lead to a division b...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/modes: It is necessary to avoid division by zero more effectively in drmmodevrefresh. The drmmodevrefresh function attempts to avoid division by zero by checking whether htotal or vtotal is zero. However, we may still end ...

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: ad7780: fixed the issue of dividing by zero in ad7780writeraw. In ad7780writeraw, val2 can be zero, which may lead to a division by zero error in DIVROUNDCLOSEST. ad7780writeraw is based on iioinfo’s writeraw function. While val ...

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: netdevsim: prevented bad user input in nsimdevhealthbreakwrite. If a zero count or a large number is provided, the kernel may crash...

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: arm64: ptrace: Fixed the issue of partial SETREGSET for NTARMTAGGEDADDRCTRL. Currently, the taggedaddrctrlset function does not initialize the temporary “ctrl” variable. A SETREGSET call with a length of zero will leave this...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: mvm – Ensure that the queue for the offloaded TID exists. The resume code path assumes that the TX queue for the offloaded TID has been configured. At the time of resuming operations, it attempts to synchronize the...