Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Thunderbolt: Fixed a memory leak in margining. The memory associated with usb4-margining needs to be released for the upstream port of the router. This issue also affects the debugfs directory when the router device is removed...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fixed the use of VAS memory after freeing it. The reference count on the memory module is lowered before the coprocessor is detached...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/dax: Fixed the issue of “not skipping locked entries when scanning entries”. The commit 6be3e21d25ca “fs/dax: not skipping locked entries when scanning entries” introduced a new function, waitentryunlockedexclusive, which wait...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: octeontx2-vf: Added a missing “free” field for “allocpercpu”. Added the “freepercpu” field for the allocated “vf-hw.lmtinfo” in order to avoid memory leaks, similar to the “pf-hw.lmtinfo” in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Memory leaks have been fixed in mpi3mrinitioc. Do not allocate memory again when the IOC is being reinitialized...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: corrected incorrect kunmap when using LZMA on HIGHMEM platforms As shown in the call trace, the root cause is incorrect pages handled by kunmap: BUG: Kernel NULL pointer dereferencing, address: 00000000 CPU: 1 PID: 40 Comm...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pidfs: validate extensible ioctls. The validation of extensible ioctls is performed more strictly than currently practiced...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Media: PCI: mg4b: Fix for uninitialized IIO scan data. The issue of potential leakage of uninitialized stack data into the user space has been addressed by ensuring that the scan structure is cleared before use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: sc7280: Mark PCIe controller as cache coherent. If the controller is not marked as cache coherent, then the kernel will try to ensure coherence during DMA operations, which may lead to data corruption. Therefore...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A potential use-after-free issue has been addressed in nilfsgccachesubmitreaddata. In nilfsgccachesubmitreaddata, the function brelsebh is called to decrement the reference count of bh when the call to nilfsdattranslate...

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

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fixed a NULL pointer issue in the channel unregistration function. The dmaasyncdevicechannelregister function may fail. In the event of a failure, chan-local is freed with freepercpu, and chan-local becomes null. When...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: rt2x00 – The beacon queue is restarted when a hardware reset occurs. When a hardware reset is triggered, all registers are reset, causing all queues to be stopped in the hardware interface. However, mac80211 does not...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: Fixed instruction simulation for JALR. Setting kprobe at ‘jalr 1140ra’ in vfswrite results in the following crash’: 32.092235 Unable to handle kernel access to user memory without uaccess routines at virtual address...

Astra Linux – Vulnerability in Linux, Linux 5.10

A heap buffer overflow flaw was discovered in the IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with normal user privileges to overwrite kernel heap objects and may lead to a local privilege escalation attack...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipmr,ip6mr: acquiring RTNL before calling ip6mrfreetable on the failure path ip6mrfreetable can only be called under an RTNL lock. RTNL: assertion failed at net/core/dev.c 10367 WARNING: CPU: 1 PID: 5890 at net/core/dev.c:10367...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: eventfs: Use listdelrcu for SRCU-protected list variables. Chi Zhiling reported: We found a null pointer access in tracefs1. The reason is that the variable eichild is set to LISTPOISON1. This means that the list was removed...

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

A race condition was detected in the Linux kernel’s DRM/Exynos device driver, specifically in the exynosdrmcrtcatomicdisable function. This can lead to a null pointer dereferencing issue, which may potentially cause a kernel panic or a denial of service condition...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: udplite: Fixed the null-ptr-deref in udpenqueuescheduleskb. syzbot reported a null-ptr-deref in udpsksk-udpprodqueue. 0 Since the referenced commits, udplibinitsock may fail, as may udpinitsock and udpv6initsock. Let’s handle...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: The page extent mapping was set after the readfolio operation in relocateonepage. One of the CI runs triggered the following panic: Assertion failed: PagePrivatepage && page-private, in fs/btrfs/subpage.c:229 ----------...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: A memory leak was fixed when using fscache. If the condition “index == nextcached” is encountered, a reference count of the struct page is leaked. This issue is fixed by using readaheadfolio, which handles the reference cou...