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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfnetlinkqueue: acquire rcureadlock in instanceDestroyrcu syzbot reported that nfreinject could be called without rcureadlock: WARNING: suspicious RCU usage 6.9.0-rc7-syzkaller-02060-g5c1672705a1a 0 Not tainted...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: grudc: 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, simply...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ocxl: The issue of a reference count leak for PCI devices occurred when calling getfunction0. getfunction0 calls pcigetdomainbusandslot. As commented, this function returns a PCI device with a reference count increase. Therefore,...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: Fixed the issue where enabling Bluetooth fails again for QCA6390 after a warm reboot. The commit 272970be3dab “Bluetooth: hciqca: Fixed the driver shutdown issue when the serdev is closed” causes the following...

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

In the Linux kernel, the following vulnerability has been resolved: can: j1939: Fixed a UAF in j1939skmatchfilter during setsockoptSOJ1939FILTER. Locked jsk-sk to prevent UAF when setsockopt..., SOJ1939FILTER, ... modifies jsk-filters while receiving packets. The following issue was observed on t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Platform/x86: classmate-laptop: Added NULL pointer checks where necessary. In several places within the Classmate laptop driver, code that uses the accel object may execute before its address is stored in the driver’s data...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fixed improper pointer dereferencing when the error handler kthread is invalid. The commit 66a834d09293 “scsi: core: Fixed error handling of scsihostalloc” changed the allocation logic to call putdevice to perform hos...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iavf: Error handling in iavfinitmodule has been fixed. The iavfinitmodule no longer destroys the workqueue when pciregisterdriver fails. Instead, call destroyworkqueue when pciregisterdriver fails to prevent resource leaks. This...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent deadlock while disabling aRFS When disabling aRFS under the priv-statelock, any scheduled aRFS operations are canceled using the cancelworksync function. This function waits for the operation to finish if it ha...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: igc: Avoid returning the frame twice in XDPREDIRECT When a frame cannot be transmitted via XDPREDIRECT e.g., due to a full queue, it is necessary to free the frame by calling xdpreturnframerxnapi. However, this is the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Avoid data corruption. Wait for all dependencies of a task to complete before terminating it, to prevent data corruption...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: power: supply: cpcap-charger: Fixed the null check for powersupplygetbyname. In the cpcapusbdetect function, the powersupplygetbyname function may return NULL instead of an error pointer. To prevent potential null pointer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Use memset to avoid memory leaks. Use memset to initialize structs to prevent memory leaks. In l2capecredconnect...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed repeated calls to sockput when msg has moredata In the tcpbpfsendverdict redirection, the eval variable is assigned to SKREDIRECT after the applybytes data is sent. If msg has moredata, sockput will be called...

Astra Linux – Vulnerability in Linux, Linux 5.10

A guest can force the Linux netback driver to consume a large amount of kernel memory. This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVEs. Incoming data packets for a guest in the Linux kernel’s netback driver are buffere...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: vt: initialize unicode screen buffer The syzbot report indicates a kernel vulnerability at the vcsread function 1. The buffer can be read immediately after the resizing operation. Initialize the buffer using kzalloc...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: A potential memory leak has been fixed in setupbasectxt. setupbasectxt allocates a memory chunk for uctxt-groups using hfi1allocctxtrcvgroups. When inituserctxt fails, uctxt-groups is not released, which can lead to a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: qrtr: The MHI channel should start after the endpoint creation. The MHI channel may generate an event/interrupt immediately after enabling. This can lead to two race condition issues. 1. Such events may be dropped by the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek-gen3: The refcount leak in mtkpcieinitirqdomains has been fixed. The function ofgetchildbyname returns a node pointer whose refcount is incremented. Therefore, we should use ofnodeput on it when we no longer need it...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel before 5.11.3 when a webcam device is present. The videousercopy function in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, identified as CID-fb18802a338b...