Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rpmsg: core: fixed a race condition in the driveroverrideshow function and used a core helper function. The driveroverrideshow function reads the driveroverride string without holding the devicelock. However, the store function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rnbd-srv: Zero the rsp buffer before using it. Before using the data buffer to send back the response message, completely zero it. This prevents any stray bytes from being picked up by the client side when messages are exchanged...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: crypto: qat – fix DMA transfer direction When CONFIGDMAAPIDEBUG is enabled, during the execution of the crypto self-test for QAT crypto algorithms, the function adddmaentry reports a warning indicating that overlapping mapping...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: comedi: The issue of using uninitialized memory in doinsnioctl and doinsnlistioctl has been fixed. syzbot reports a KMSAN kernel-infosek in doinsnioctl. A kernel buffer is allocated to hold insn-n samples each of which is an...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mtd: spinand: fix memory leak of ECC engine conf The memory allocated for the ECC engine conf is not released during the spinand cleanup process. The following kmemleak trace illustrates this memory leak: Unreferenced object...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Validates the mech token during session setup. If a client sends an invalid mech token in a session setup request, ksmbd validates it and reports an error if the token is invalid...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ixgbe: Added locking to prevent panics when setting sriovnumvfs to zero. It is possible to disable VFs while the PF driver is processing requests from the VF driver. This can result in a panic. BUG: Unable to handle kernel...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: coresight: syscfg: Fixed a memory leak that occurred during registration failures in cscfgcreatedevice. deviceregister calls deviceinitialize. According to the documentation for deviceinitialize: “Use putdevice to release the...

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

In the Linux kernel, the following vulnerability has been resolved: ftruncate: passing a signed offset. The old ftruncate system call, which uses the 32-bit offt type, misses a sign extension when called in compat mode on 64-bit architectures. As a result, passing a negative length accidentally...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/tctx: A workaround has been implemented for the allocation error issue with xastore. The syzbot triggered the following WARNON: WARNING: CPU: 0, PID: 16, in iouring/tctx.c, line 51: iouringfree+0xfa/0x140. The issue is...

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

In the Linux kernel, the following vulnerabilities have been resolved: TCP: The check skb variable is not NULL in tcprtodeltaus. We have some machines running stock Ubuntu 20.04.6; these machines use the 5.4.0-174-generic kernel and run Ceph. Recently, a NULL pointer dereference occurred in...

Astra Linux – Vulnerability in Linux 5.15, Linux

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix for pcluster use-after-free on UP platforms During stress testing with CONFIGSMP disabled, KASAN reports the following issue: ================================================================== BUG: KASAN: Use-after-fre...

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

In the Linux kernel, the following vulnerability has been resolved: mmc: davinci: Do not perform the strip or remove function when the driver is built-in. Using exit for the remove function results in the remove callback being discarded when CONFIGMMCDAVINCI=y is enabled. When such a device becom...

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

In the Linux kernel, the following vulnerability has been resolved: tipc: Returning a non-zero value from tipcudpaddr2str on error The tipcudpaddr2str function should return a non-zero value if the UDP media address is invalid. Otherwise, a buffer overflow attack may occur in tipcmediaaddrprintf...

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: net/ipv6: release expired exception dst cached in socket The Dst objects are leaked in ip6negativeadvice, when this function is executed for an expired IPv6 route located in the exception table. There are several conditions that...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: A buffer overflow vulnerability has been addressed in ipv6findtlv. The value of optlen is retrieved without checking whether there are more than one bytes to parse. This can lead to a buffer overflow attack. This issue was...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: usb: ax88179178a: Fixed out-of-bounds accesses in RX fixup The ax88179rxfixup function contains several out-of-bounds accesses that can be triggered by a malicious or defective USB device. Specifically: - The metadata array...

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: DM snapshot: Fixed the lock-up issue in dmexceptiontableexit. A lock-up was reported when exiting a snapshot with many exceptions. This issue has been fixed by adding the variable “condresched” to the loop that frees the exceptio...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm: amd: display: Fix memory leakage This commit addresses the memory leakage issue in the dcconstructctx function...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iouring/rw: Defer fsnotify calls to task context. We cannot defer these calls outside of the kiocb completion, as that might be off-soft/hard IRQ context. We should defer the calls until we process the taskwork for this reques...