Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Check whether a station exists first in the client probe. When probing a client, first check whether a station exists, and then check the channel context. Otherwise, a warning can easily be triggered by probing wh...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: userfaultfd: Fixes the checks for huge PMDs. Patch series “userfaultfd: fix races around pmdtranshuge check”, v2. The pmdtranshuge code in mfillatomic is incorrect in three different ways, depending on the kernel version: 1. T...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpmigratereq. When reading sysctltcpmigratereq, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net, neigh: Fixed the null-ptr-deref in neightableclear. When the IPv6 module is initialized, an error occurs in the middle. This results in a kernel panic with the following error message: KASAN: Nullptrderef in range...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/smc: Check smcdv2extoffset when receiving a proposal message. When receiving a proposal message from the server, the smcdv2extoffset field in the proposal message comes from the remote client, and cannot be fully trusted. Onc...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: HID: usbhid: Eliminated a recurring out-of-bounds bug in usbhidparse. Updated the struct hiddescriptor to better reflect the mandatory and optional parts of the HID Descriptor according to the USB HID 1.11 specification. Note...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition between direct IO writes and fsync operations when using the same file descriptor. If we have two threads that use the same file descriptor, and one of them performs direct IO writes while the other...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix null pointer dereference when IPv6 is not enabled When we attempt to add an IPv6 nexthop parameter, and IPv6 is not enabled !CONFIGIPV6, we encounter a NULL pointer dereference in the error path of nhcreateipv6...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: aio: Fixed a use-after-free issue due to missing POLFREE handling. signalfdpoll and binderpoll are special because they use a waitqueue whose lifetime is the current task, rather than the struct file as is normally the case. This...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: sr – fixed possible use-after-free and nullptrderef issues. The pernet operations structure for the subsystem must be registered before registering the generic netlink family...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: w83792d A NULL pointer dereferencing issue was addressed by removing unnecessary structure fields. If the driver reads a value that is sufficient for the condition: val & 0x08 && !val & 0x80 && val & 0x7 == val 4 & 0x7...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: gve: Added a missing NULL check for gveallocpendingpacket in TX DQO. gveallocpendingpacket may return NULL, but gvetxaddskbdqo did not check for this case before dereferencing the returned pointer. A missing NULL check was add...

Astra Linux – Vulnerability in Linux firmware, Linux 5.10, Linux 5.15, amd64-microcode

A issue with “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information...

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: jfs: fixed an uninitialized waitqueue in the transaction manager. The initialization of the transaction manager in txInit did not properly initialize TxBlock0.waitor’ waitqueue. This caused a crash when txEnd0 was called on...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: alcor: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, the memory allocated in mmcallochost will be leaked, leading to a kernel crash due to the remov...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xsk: Validated user input for XDPUMEM|COMPLETIONFILLRING syzbot reported an illegal copy in xsksetsockopt 1 Ensure that the @optlen parameter of setsockopt is validated. 1 BUG: KASAN: Out-of-bounds access in...

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

In the file drivers/media/dvb-core/dmxdev.c within the Linux kernel, up to version 5.19.10, a use-after-free condition has occurred due to race conditions related to reference counts, affecting the functions dvbdemuxopen and dvbdmxdevrelease...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: USB: core: Prevent nested device-reset calls Automatic kernel fuzzing revealed a recursive locking violation in usb-storage. ============================================ WARNING: Possible recursive locking detected 5.18.0 3 No...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/cma: Fixed a crash in the cmaneteventworkhandler function. The struct rdmacmid contains a member “struct workstruct network”, which is reused to queue cmaneteventworkhandlers onto the cmawq. The crash1 can occur if more...