Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Fixed the double-free issue with interrupt buffer allocation. In lan78xxprobe, the buffer buf was freed twice: once implicitly through usbfreeurbdev-urbintr with the URBFREEBUFFER flag, and again explicitly...

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

A vulnerability was discovered in the Linux kernel before version 6.5.9. This vulnerability could be exploited by local users who have access to MMIO registers through the user space. Incorrect access checks in the VC handler, along with improper emulation of MMIO accesses using the SEV-ES...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Julia Lawall reported this null pointer dereference issue, and this should fix it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: error out earlier on disconnect Eric reported a division by zero error in the MPTCP protocol: Oops: divide error: 0000 1 PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 6094 Comm: syz-executor317 Not tainted...

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 vulnerability has been resolved: hwmon: In the readstring function, the sensor index is checked. A potential invalid memory access occurs when the requested sensor is not found. findecsensorindex may return a negative value e.g., -ENOENT, but its result is used...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Unicode: Fixed the error path in utf8load. utf8load requests the symbol “utf8datatable” and then checks whether the requested UTF-8 version is supported. If it’s not supported, it attempts to load the data table using symbolput. ...

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

The brcm80211 component in the Linux kernel, from version 6.5.10 onwards, has a use-after-free issue in the code for disconnecting devices via hotplug i.e., removing the USB connection. For attackers who have physical access and local privileges, “this could be exploited in a real-world scenario....

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: fix potential skb-frags overflow in the RX path When receiving data in the DPMAIF RX path, the t7xxdpmaifsetfragtoskb function adds page fragments to an skb without checking whether the number of fragments has...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: List: Fixed a data race around ep-rdllist. The eppoll function first calls epeventsavailable without holding a lock and checks if ep-rdllist is empty using listemptycareful, which reads from rdllist-prev. Therefore, all access...

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

In the Linux kernel before version 6.5.9, there is a NULL pointer dereferencing in the sendacknowledge function in net/nfc/nci/spi.c...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the HDLCPPP module of the Linux kernel in versions prior to 5.9-rc7. Memory corruption and a read overflow occur due to improper input validation in the pppcpparsecr function, which can cause the system to crash or lead to a denial of service. The greatest threat posed by...

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

In the Linux kernel, the following vulnerabilities have been resolved: llc: A test for maclen should be performed before reading the MAC header. The LLC layer reads the MAC header using ethhdr, without verifying that the skb contains an Ethernet header. Syzbot was able to access the llcrcv functi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fixed the issue of using a blob after it was freed. We are not allowed to return an error at this point. Looking at the code, it seems that ret is always 0 at this point, but that’s not the case. c t =...

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

In the Linux kernel, the following vulnerabilities have been resolved: wifi: iwlwifi: pcie: fixed a possible NULL pointer derefrence issue It is possible that iwlpciprobe may fail and free the trans structure. After that, iwlpciRemove may be called, but it will crash when trying to access a trans...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mfd: core: Added locking around ‘mfdofnodelist’. Manipulating a list in the kernel is not safe without some form of mutual exclusion mechanism. Add a mutex whenever we access or modify ‘mfdofnodelist’ to prevent potential crashes...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: validate the dataoffset and datalength fields of the smbdirectdatatransfer structure. If the dataoffset and datalength fields of the smbdirectdatatransfer structure are invalid, an out-of-bounds issue may occur...

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

In the Linux kernel, the following vulnerabilities have been resolved: dmaengine: fsl-qdma: A memory leak related to the queue command DMA has been fixed. The call to dmaalloccoherent is not reversed either in the remove function, nor in the error handling path of fslqdmaprobe. Switch to the...

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: drm/amd/display: The memory leak in dmswfini has been fixed. After destroying dmubsrv, the memory associated with it is not freed, resulting in a memory leak: unreferenced object 0xffff896302b45800 size 1024: comm "udev-worker",...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: media: staging/intel-ipu3: Fixed error handling for setfmt. If an error occurs during the setfmt operation, do not overwrite the previous sizes with the invalid configuration. Without this patch, v4l2-compliance ends up...