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: ext4: inline: fix len overflow in ext4prepareinlinedata When running the following code on an ext4 filesystem with inlinedata feature enabled, it will lead to the bug below. fd = open"file1", ORDWR | OCREAT | OTRUNC, 0666;...

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: netsched: schsfq: rejecting invalid perturb periods. Gerrard Tai reported that the perturbperiod of SFQ does not have a range check yet, and this could be exploited to trigger a race condition, which has been fixed in a separa...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: core: The unnecessary framesz check in bpfxdpadjusttail has been removed. Syzkaller reported the following issue: ======================================= “Too big” – xdp-framesz = 131072 WARNING: CPU: 0, PID: 5020, at...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: wdm: the race between wdmopen and wdmwwanportstop has been eliminated. Clearing WDMWWANINUSE must be the last action; otherwise, we may open a device whose URBs User-Redirected Behavior are still compromised...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The nfqnlmangle function in net/netfilter/nfnetlinkqueue.c in the Linux kernel, as of version 5.18.14, allows remote attackers to cause a denial of service panic. This occurs because, in the case of an nfqueue verdict with a one-byte nftapayload attribute, an skbpull operation may encounter a...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fixed a crash that occurred during the transportportremove function, by using iocinfo. During this function, messages were logged via devprintk regarding &mpt3sasport-port-dev. At this point, the SAS transport devi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mm/vmalloc: fixed vmalloc, which may return null if called with GFPNOFAIL. The commit a421ef303008 "mm: allow !GFPKERNEL allocations for kvmalloc" includes support for GFPNOFAIL, but it creates a conflict with the commit...

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: net: usb: pegasus: enable basic endpoint checking The pegasusprobe function fills URBs with hardcoded endpoint pipes without verifying the endpoint descriptors: - usbrcvbulkpipedev, 1 for RX data - usbsndbulkpipedev, 2 for TX...

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

In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prpcreatetaggedframe The prpfillrct function may fail. In that case, it frees the skb and returns NULL. On the successful path, however, it returns the original skb. Therefore, it is straightforward...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: fixed the UAF issue when iterating the allmddevs list While iterating the allmddevs list from mdnotifyreboot and mdexit, listforeachentry Safe is used. This can lead to a race condition with deletint, causing a UAF: t1:...

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: libceph: The calctarget function should set t-paused, rather than simply clearing it. Currently, calctarget clears t-paused if the request should no longer be paused. However, it never sets t-paused, even though it can determine...

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: gue: Fixed a skb memory leak associated with the inner IP protocol 0. The syzbot reported a skb memory leak below. 0 The repro process generated a GUE packet with its inner protocol set to 0. The function gueudprecv returns...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: Signal: Allocate SSVE storage when restoring ZA The code used to restore a ZA context does not attempt to allocate the task’s svestate before setting TIFSME. As a result, restoring a ZA context may place the task in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mctp: route: hold key-lock in mctpflowprepareoutput The mctpflowprepareoutput function checks key-dev and may call mctpdevsetkey. However, it does not hold key-lock during this process. Both mctpdevsetkey and mctpdevreleasekey...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Increase scanieslen for S1G. Currently, the S1G capability element is not taken into consideration when calculating scanieslen, resulting in a buffer length validation failure in the ieee80211prephwscan function...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: HID: amdsfh: Free driverdata after destroying the hid device Driver callbacks are no longer called after the hiddestroydevice function is called. Therefore, the driverdata should only be freed after the hiddestroydevice functi...

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

In the Linux kernel, the following vulnerability has been resolved: nfsd: Calling cacheput when xdrreservespace returns NULL If there is not enough buffer space available, but idmaplookup triggers lookupfn, which calls cacheget and returns successfully. In this case, we fail to call cacheput, whi...

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 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: HID: core: Harden s32ton to prevent conversion to 0 bits Testing conducted by the syzbot fuzzer revealed that the HID core encounters a shift-out-of-bounds exception when it attempts to convert a 32-bit quantity to a 0-bit...

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: vfio/pci: Disabled the automatic enable of exclusive INTx/IRQs. Currently, for devices that require masking at the irqchip for INTx, i.e., devices without DisINTx support, the IRQ is enabled in the requestirq function, and then...