Astra Linux – Vulnerability in Linux

A buffer overflow attack in fbcon in the Linux kernel before version 5.9.7 could be exploited by local attackers to read privileged information or potentially cause the kernel to crash. This issue is identified as CID-3c4e0dff2095. This vulnerability arises because the KDFONTOPCOPY function in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: padata: Fixed the pd UAF issue once and for all. There is a race condition/UAF in padatareorder that persists even after the initial commit. A reference count is incremented at the beginning of the process in padatadoparallel, an...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xfrm: Zero padding when dumping algorithms and encap templates. When copying data to user-space, we must ensure that only valid data is copied. Padding in structures may contain random potentially sensitive data and should never ...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: parport: Proper fix for array out-of-bounds access. The recent fix for array out-of-bounds accesses replaced sprintf calls with snprintf. However, since snprintf returns the size of the data to be printed, not the actual output...

Astra Linux – Vulnerability in Linux

In the drivers/target/targetcorexcopy.c file within the Linux kernel, prior to version 5.10.7, insufficient identifier checking in the LIO SCSI target code could be exploited by remote attackers to read or write files through directory traversal in an XCOPY request, known as CID-2896c93811e3. For...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The dvbdev: device driver adopts a reference counter to avoid Use-After-Free UAF vulnerabilities. It is known that the dvbunregisterdevice function is prone to use-after-free issues. In other words, the cleanup performed by...

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: usb: net: sierra: check for no status endpoint The driver checks whether it has three endpoints, as well as endpoints for bulk in-and-out operations. However, it does not check whether the third endpoint is an interrupt input. Th...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: scarlett2: Added a clamp function in scarlett2mixerctlput Ensured that the value passed to scarlett2mixerctlput is between 0 and SCARLETT2MIXERMAXVALUE, so that attempts to access elements outside of scarlett2mixervalues ar...

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: powerpc/rtas: Prevent Spectre v1 gadget construction in sysrtas. Smatch warns: arch/powerpc/kernel/rtas.c:1932 dosysrtas warning: potential Spectre issue with ‘args args’ r local limit The ‘nargs’ and ‘nret’ locals originate from...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The commit 7ba5ca32fe6e “ALSA: firewire-lib: operate for period elapse event in process context” removed the process context workqueue from amdtpdomainstreampcmpointer and updatepcmpointers, thereby eliminating its overhead. With...

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: SUNRPC: Ensure that the cache entry is active before calling cacheshow. The function cshow was called with protection from RCU. This only ensures that cp will not be freed. As a result, the reference count of cp can drop to zero,...

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: mm/hugetlb: Un-sharing of page tables occurs during VMA splitting, not before. Currently, splitvma triggers the un-sharing of hugetlb page tables through vmops-maysplit. This occurs before the VMA lock and rmap locks are taken –...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Input: appletouch – Initialize work before device registration. Syzbot has reported a warning in flushwork. This warning occurs due to work-func == NULL, which indicates that work initialization was missed. This issue can occur...

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: um: ubd: Do not use drvdata in release. The drvdata is not available in release. Let’s simply use containerof to obtain the ubd instance. Otherwise, removing a ubd device will result in a crash: RIP: 0033:blkmqfreetagset+0x1f/0xb...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: qede: ensure that the skb is allocated before use. qedebuildskb assumes that buildskb always works and proceeds directly to skbreserve. However, buildskb may fail under memory pressure. This results in a kernel panic because the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed NULL pointer dereferencing in VSI filter synchronization. The issue of NULL pointer dereferencing in sync VSI filters has been eliminated. A new I40EVSIRELEASING flag was added to indicate the deletion and release of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm raid: fixed the address sanitizer warning in raidstatus. This warning occurs when using a kernel with address sanitizer and running this testsuite: https://gitlab.com/cki-project/kernel-tests/-/tree/main/storage/swraid/scsirai...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: isdn: mISDN: netjet: Fixed a crash in njprobe: The ‘njsetup’ function in netjet.c might fail with -EIO. In this case, ‘card-irq’ is initialized and is greater than zero. A subsequent call to ‘njrelease’ will release the irq th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: transportipc: Validate the payload size before reading the handle. The handleresponse function dereferences the payload as a 4-byte handle without verifying that the declared payload size is at least 4 bytes. A malformed o...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Staging: vmeuser: Fixed a potential UAF in tsi148dmalistadd. A match report warning is as follows: drivers/staging/vmeuser/vmetsi148.c:1757 tsi148dmalistadd warning: “&entry-list” was not removed from list. In tsi148dmalistadd, t...