Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in the Linux kernel before version 6.3.10. The file fs/smb/server/smb2misc.c in ksmbd does not validate the relationship between the command payload size and the RFC1002 length specification, resulting in a out-of-bounds read...

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 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: wlcore – Ensure skbheadroom before calling skbpush. This fix prevents occasional skbunderpanic errors in wl1271txwork. In this case, the allocated headroom is less than necessary typically 110 – 94 = 16 bytes...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: block: Do not revert the iterator for -EIOCBQUEUED. The blkdevreaditer function includes some unusual checks. For example, it checks whether the result is greater than or equal to zero before adjusting the position and count. Thi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: hv: Fixed a crash in hvpcirestoremsimsg during hibernation. When a Linux virtual machine with a assigned PCI device runs on Hyper-V, if the PCI device driver is not yet loaded i.e., MSI-X/MSI is not enabled on the device,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: swiotlb: Fixed the issue of information leakage due to DMAFROMDEVICE. The problem I’m addressing was discovered during the LTP test covering cve-2018-1000204. A brief description of what happens is as follows: 1 The test case sen...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use the pmd-root from the last transaction when commit fails. Recently, we discovered a problem with a softlockup in the dm thin pool’s btree lookup code due to corrupted metadata. Kernel panic – not syncing: Softlockup:...

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

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: Correct check for empty list Since the commit a3c53be55c95 “net: dsa: mv88e6xxx: Support multiple MDIO buses“”, the function mv88e6xxxdefaultmdiobus has checked that the return value of listfirstentry is...

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: 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 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 – 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 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 for HID are no longer called after the hiddestroydevice function is called. Therefore, the driverdata should only be freed after the hiddestroydevic...

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: Wifi: mac80211: Purge vif txq in ieee80211dostop After ieee80211dostop, the packets from vif’s txq could still be processed. Indeed, another concurrent call to scheduleandwaketxq from vif could cause those packets to be dequeued...

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. However, we fail to call cacheput at this...

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: hfs: fixed the KMSAN uninit-value issue in hfsfindsetzerobits The syzbot reported an issue in hfsfindsetzerobits: ===================================================== BUG: KMSAN: uninit-value in hfsfindsetzerobits+0x74d/0xb60...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Check the device memory pointer before using it. Add a NULL check before accessing device memory to prevent a crash if the dev-dm allocation in mlx5initonce fails...

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Added a call to putpid. Added a call to putpid corresponding to gettaskpid. host1xmemorycontextalloc does not take ownership of the PID; therefore, we need to free it here to avoid leaks. [email protected]: reword...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

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...