Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/scs: The task stack state is reset in bringupcpu. When a CPU is hot-plugged, the idle task on that CPU calls several layers of C code before finally leaving the kernel. When KASAN is in use, a “poisoned” shadow is left behi...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: piix4: Fixed a memory leak in the EFCH MMIO support. The recently added support for EFCH MMIO regions introduced a memory leak in that code path. The leak occurs because releaseresource simply removes the resource from the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: swiotlb: Fixed the issue of information leakage due to DMAFROMDEVICE. The problem I’m addressing was discovered during the LTP test covering cve-2018-1000204. A brief description of what happens is as follows: 1 The test case sen...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: USB: Host: Fixed a deadlock in oxubussuspend There is a deadlock in oxubussuspend, as shown below: Thread 1 | Thread 2 | timeraction oxubussuspend | modtimer spinlockirq //1 | Wait for a while ... | oxuwatchdog...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: Serial: JSM – fixed some leaks in the probe. This error path needs to be unwound instead of just being returned directly...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftflowoffload: Release dst if direct xmit path is used Direct xmit does not use it because it calls devqueuexmit to send packets; therefore, it calls dstrelease. kmemleak reports: Unreferenced object...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iouring: fixed the memory leak related to the uid during file registration. When there are no files for iosqefilesscm to process within a certain range, it will free all resources and return. However, it forgot to set the uid...

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 – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i2c: mux: In the function reg, it is necessary to check the return value after calling platformgetresource. This could lead to a null-ptr-deref issue in resourcesize if platformgetresource returns NULL. It is recommended to call...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6/sit: Use DEVSTATSINC to avoid data races. syzbot/KCSAN reported that multiple CPUs are updating dev-stats.txerror concurrently. This occurs because sit tunnels use NETIFFLLTX, which means their ndostartxmit function is not...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: refuses to create an EA block when umounted. The EA block expansion needs to access sroot, but sroot is already set to NULL when umount is triggered. This request is refused to avoid panic conditions...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: drm/meson: fixed the crash that occurs during shutdown when the component is not probed. When the main component is not probed—for example, when the dw-hdmi module is not yet loaded or in a probe defer state—the following crash...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: comedi: vmk80xx: fixed transfer-buffer overflows The driver uses USB transfer buffers sized at the endpoint level, but until recently, there were no sanity checks on these buffer sizes. The commit e1f13c879a7c “staging: comedi...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xHCI: Corruption of the command ring pointer occurred during command aborts. The command ring pointer is located at bits 6:63 of the command ring control register CRCR. All control bits, such as those related to command stopping...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: The issue of underflow in the chain reference counter was fixed. The error in adding elements in the set element path causes the reference counter to be decremented twice—once when releasing an element and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: libceph: A potential out-of-bounds read vulnerability exists in processmessageheader. If the message frame is maliciously corrupted in such a way that the length of the control segment becomes shorter than the size of the message...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: pxa25xudc: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must be processed by calling dput; otherwise, a memory leak will occur over time. To simplify things, simp...

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

In the Linux kernel, the following vulnerability has been resolved: arp: Prevent overflow in arpreqget. Syzkaller reported an overflow during the write operation in arpreqget. 0 When the ioctlSIOCGARP function is called, arpreqget retrieves a neighbor entry and copies neigh-ha to struct...

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

In the Linux kernel, the following vulnerability has been resolved: afs: Increase the buffer size in afsupdatevolumestatus. The maximum length of the volume-vid value is 20 characters. Therefore, increase the size of idbuf to 24 to avoid overflow. Found by the Linux Verification Center...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i2c: ismt: A buffer overflow bug has been fixed in ismtaccess. When the driver does not check the data from the user, the variable ‘data-block0’ may become very large, leading to a buffer overflow bug. The following log can revea...