Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm: Another leak in the submit error path has been fixed. putunusedfd does not free the allocated file if we have already performed fdinstall. Therefore, we also need to free the syncfile. Patchwork:...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: The page is released in the error path to avoid BUGON. Consider the following sequence of events: 1. The userspace sends a UFFD ioctl, which ultimately calls shmemmfillatomicpte. We successfully account the blocks, a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cpufreq: qcom: fixed a memory leak in the error path. If, for some reason, the speedbin length is incorrect, then there is a memory leak in the error path, as we never free the speedbin buffer. This commit fixes this issue by...

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

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Cleaning up a dangling pointer on the bind error path The mtkdrmBind function may fail, in which case drmdevPut is called, destroying the drmdevice object. However, a pointer to that object was still being held by t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fixed the smbdirectrecvio leak in the smbdnegotiate error path. During tests of another unrelated patch, I was able to trigger this error: Objects remaining on kmemcacheshutdown...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed DMA mapping leaks During the reallocation of RX buffers, new DMA mappings are created for those buffers. Reproduction steps: While doing the following: Do For i=0; i=8160; i=i+32 Do ethtool -G enp130s0f0 rx $i tx $...

Astra Linux – Vulnerability in PostgresSQL 11

The use of server error messages by clients in PostgreSQL allows a server that is not trusted under current SSL or GSS settings to send arbitrary non-NUL bytes to the libpq application. For example, a man-in-the-middle attacker could send a long error message claiming that a human user or someone...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Destroying vGIC structures during failed vCPU creation If the function kvmarchvcpucreate fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl, but leave the vGIC vCPU structures...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/vkms: Fixed issues related to use after free and double-free operations during initialization. If the driver initialization fails, the vkmsexit function may access an uninitialized or freed defaultconfig pointer, potential...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hisiaccvfiopci: fixed the XQE DMA address error. The DMA addresses of EQE and AEQE are incorrect after migration, resulting in failures in the guest kernel-mode encryption services. By comparing the definitions of hardware...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: Write access is restored before closing files opened by openexec. bmregisterwrite opens an executable file using openexec, which internally calls doopenexecat and denies write access to the file to prevent modificatio...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

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

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: jfs: fixed a out-of-bounds situation in dbSplit. When dmtbudmin is less than zero, it causes errors in later stages. A check was added to return an error beforehand within dbAllocCtl itself...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

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

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: jfs: Fix for array-index-out-of-bounds in dtReadFirst. The value of stbl can sometimes be out of bounds due to a faulty filesystem. A check was added, along with an appropriate return of the error code in such cases...

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

In the Linux kernel, the following vulnerability has been resolved: mmc: mmctest: Fixed the issue of NULL dereferencing upon allocation failure. If the allocation of test-highmem = allocpages fails, calling freepagestest-highmem will result in a NULL dereferencing. Additionally, the error code ha...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: xen/privcmd: fixed the error exit of privcmdioctldmop The error exit of privcmdioctldmop calls unlockpages, potentially with pages being NULL, leading to a NULL dereference. Additionally, lockpages does not check whether...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/vkms: Fixed a memory leak in vkmsinit. A memory leak was reported after the vkms module installation failed. Unreferenced object 0xffff88810bc28520 size 16: Command: modprobe, PID 9662, Jiffies: 4298009455 Age: 42.590s Hex...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drivers: dio: A possible memory leak has been fixed in dioinit. If deviceregister returns an error, the dev object and its associated name need to be freed. Add a release function, and then call putdevice in the error handling...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: A UAF bug was fixed in the error path of the probing process. When the driver fails in sndcardregister during the probing phase, it will free the bcd2k-midiouturb before terminating it, which could lead to a UAF bu...