Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211: Fixed a use-after-free in the chanctx code. In ieee80211vifusereservedcontext, when there’s an old context and the replacestate of the new context is set to IEEE80211CHANCTXREPLACENONE, the old context is freed in...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gianfar: ethtool: Fixed a refcount leak in gfargettsinfo The offindcompatiblenode function returns a node pointer with the refcount incremented. We should use ofnodeput on it after processing. Also, add the missing ofnodeput to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Initialize sccindex in unixaddedge. Quang Le reported that the AFUNIX GC could garbage-collect a receive queue of an alive in-flight socket, with a detailed repro. The repro consists of three stages. 1 Create a single...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Of: overlay: Early call to callchangesetinit When ofoverlayfdtapply fails, the changeset may be partially applied. It is still expected that the caller will call ofoverlayremove to clean up this partial state. However,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Rejects TDLS operations when the station is not associated. The syzbot triggered a WARN in the ieee80211tdlsoper function by sending NL80211TDLSENABLELINK immediately after NL80211CMDCONNECT, before association i...

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

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed the issue where the RPC client cleaned up the freed pipefs directories. The cleanup of the RPC client’s pipefs directories is handled in the rpcremovepipedir function, which processes the workqueue. This function...

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

In the Linux kernel, the following vulnerability has been resolved: fbdev: savage: Handle an error return when savagefbcheckvar fails. The commit 04e5eac8f3ab "fbdev: savage: Error out if pixclock equals zero" checks the value of pixclock to avoid a divide-by-zero error. However, the function...

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 – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/sti: Avoid potential dereferencing of error pointers. The return value of drmatomicgetcrtcstate needs to be checked. This is done to prevent the use of the error pointer ‘crtcstate’ in case of a failure...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel up to 5.15.2, mwifiexusbrecv in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker who can connect a crafted USB device to cause a denial of service skboverpanic...

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

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: bme680: Fixed overflows in the compensate functions. There are cases in the compensate functions of the driver where overflows of variables may occur due to bit shifting operations. These issues were initially...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring/eventfd: Ensure that ioeventfdsignal delays another RCU period. The function ioeventfddosignal is invoked from an RCU callback. However, when the reference to ioevfd is dropped, it directly calls ioeventfdfree if the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: Intel: sofsdw – handling errors during card registration. If card registration fails, usually due to deferred probes, the device properties added for headset codecs are not removed, which leads to kernel errors during...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nubus: Partially reversed the conversion of proccreatesingledata. The conversion to proccreatesingledata introduced a regression, where reading a file from /proc/bus/nubus resulted in a segmentation fault: grep -r...

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: Input: pegasus-notetaker – fixed potential out-of-bounds access issues. In the pegasusnotetaker driver, the pegasusprobe function allocates the URB transfer buffer using the wMaxPacketSize value from the endpoint descriptor. An...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: The vmwtranslateptr functions now return the correct value. Before this fix, these functions used a lookup function that returned a pointer. This has been changed to another lookup function that returns an error code,...

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: drm/amd: Protection against bad data for the ATIF ACPI method. If a BIOS provides bad data in response to an ATIF method call, this causes a NULL pointer dereference in the caller. The vulnerability has been encountered on at lea...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid-of: fix NULL dereference on failed power-up Some time ago, the I2C HID implementation was split into an ACPI and OF part. However, the new OF driver never initializes the client pointer, which is dereferenced in case...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disabling IBT when the hypercall page lacks the ENDBR instruction. On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current version...

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: wifi: ath9k: A range check was added for connrspepid in htcconnectservice. I have also identified the following bugs in my fuzzer: - UBSAN: Array index out of bounds in drivers/net/wireless/ath/ath9k/htchst.c:26:51. Index 255 is...