Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: accel: mma8452: use the correct logic to get mma8452data. The original logic for getting mma8452data is incorrect. The dev points to the device belonging to iiodev. We cannot use this dev to find the correct i2cclient. The...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: rt7-sdw: harden jackdetecthandler Realtek headset codec drivers typically check whether the card is instantiated before proceeding with the jack detection. However, rt700, rt711, and rt711-sdca lack a check on the card...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kernfs: a potential NULL dereference occurred in kernfsremove. When lockdep is enabled, lockdepassertheldwrite could cause a potential NULL pointer dereference. The following smatch warnings have also been fixed:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fixed the bug: KASAN: null-ptr-deref in rxeqpdocleanup. The function rxecreateqp calls rxeqpfrominit. If an error occurs, the error handler for rxeqpfrominit will set both scq and rcq to NULL. Then, rxecreateqp calls...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: change place of ‘privep’ assignment in cdns3gadgetepdequeue, cdns3gadgetepenable If ‘ep’ is NULL, the result of eptocdns3epep is an invalid pointer. Dereferencing ‘privep-cdns3dev’ with this pointer may cause a panic...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/ttm: Fixed the bug where a dummy res NULL pointer was dereferenced. Check the bo-resource value before accessing the memtype resource. v2: Fixed an issue with the commit description unwrapping warning. 40.191227 T184 Gener...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: virtionet: a memory leak inside XPDTX has been fixed using mergeable. When we call xdpconvertbufftoframe to obtain xdpf, if it returns NULL, we should check whether xdppage was allocated by xdplinearizepage. If it was newly...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed a NULL dereference in ntfsupdatemftmirr. If ntfsfillsuper is not called, then sbi-sb will be equal to NULL. The code should check this pointer before dereferencing it. The Syzbot encountered this issue by passing...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: mv88e6060: prevent crash on an unused port If the port is neither a CPU port nor a user port, ‘cpudp’ is a null pointer, and a crash occurs when dereferencing it in mv88e6060setupport: 9.575872 Unable to handle kerne...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, fixed the logic for MLX5LAGFLAGNDEVSREADY Set MLX5LAGFLAGNDEVSREADY only if both devices are registered. This ensures that both ldev-pfMLX5LAGP0.dev and ldev-pfMLX5LAGP1.dev have valid pointers when...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: skmsg: Fixed the incorrect last sg check in skmsgrecvmsg. Also, one instance of a kernel NULL pointer dereferencing was fixed as follows: 224.462334 Call Trace: 224.462394 tcpbpfrecvmsg+0xd3/0x380 224.462441 ? sockhasperm+0x78/0x...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Revert “usb: typec: ucsi: add a common function ucsiunregisterconnectors”. The recent commit 87d0e2f41b8c “usb: typec: ucsi: add a common function ucsiunregisterconnectors” introduced a regression that caused NULL dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: usb: xhciplatremove: avoid NULL dereference Since commit 4736ebd7fcaff1eb8481c140ba494962847d6e0a “usb: host: xhci-plat: omit shared hcd if either root hub has no ports”, xhci-sharedhcd can be NULL, which causes the following...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed the missing iop in ntfsreadmft. There is a null pointer dereference issue because iop == NULL. The bug occurs because we do not initialize iop for records in $Extend$...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix NULL pointer dereference in iavfgetlinkksettings Fix possible NULL pointer dereference, due to freeing of adapter-vfres in iavfinitgetresources. Previous commit introduced a regression, where receiving...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: DPCM: Do not pick up BE without a substream When DPCM attempts to establish valid BE connections using dpcmaddpaths, it does not check whether the selected BE actually supports the given stream direction. As a result, when ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xfrm: Policy: Fix metadata dst-dev xmit null pointer dereference When we try to transmit an skb with metadatadst attached i.e., dst-dev == NULL through the xfrm interface, we may encounter a null pointer dereference in xfrmixmit2...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xhci: A null pointer dereference was fixed in the remove function, especially when xHC has only one roothub. The remove function in the xhci platform driver attempts to remove both the main hcd and the shared hcd, even if only th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Binder: Fixed the issue where dereferencing the null-ptr variable occurred unexpectedly. Syzbot reported several issues introduced by commit 44e602b4e52f „binderalloc: added missing mmaplock calls when using VMA”. In these...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a debugfs null pointer error WHY & HOW Check whether the getsubvpen callback exists before calling it...