Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ptp: The logic that checks ptp-nvclocks has been removed from ptpvclockinuse. It’s clear that we should check both ptp-isvirtualclock and ptp-nvclocks to determine whether the ptp virtual clock is in use. However, when we access...

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: AppArmor: Fixed the issue by limiting the number of levels of policy namespaces. Currently, the number of policy namespaces is not bounded, and it relies on the user namespace limits. However, policy namespaces are not strictly...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fixed a possible leak of the pernet namespace in smcinit. In smcinit, registerpernetsubsys&smcnetstatops is called without any error handling. If this call fails, the registration of &smcnetops will not be reversed. And ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a null check for the ‘afb’ variable in the amdgpudmplanehandlecursorupdate function v2. This commit incorporates a null check for the ‘afb’ variable within the amdgpudmplanehandlecursorupdate function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Misc: Microchip: PCI1xxxx – Fixed kernel panic during IRQ handler registration This issue resolves kernel panics when accessing the IRQ handler associated with the generated IRQ. This is achieved by acquiring a spinlock and stori...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: bnx2fc: Make bnx2fcrecvframe mp-safe Running tests with a debug kernel shows that bnx2fcrecvframe modifies the percpu lport stats counters in a non-mpsafe way. Simply boot a debug kernel and run the bnx2fc driver with the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: irqchip/gic-v3: A refcount leak was fixed in gicpopulateppipartitions. The function offindnodebyphandle returns a node pointer with a incremented refcount. We should use ofnodeput on it when there is no longer a need for it. A...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in starttask starttask calls createsinglethreadworkqueue, and the return value is not checked. This may result in a NULL return value. A null-ptr-deref could occur as a result: starttask...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/gma500: Fixed a bug where a sleeping function called from an invalid context caused errors. The function gmacrtcpageflip held the eventlock spinlock while calling crtcfuncs-modesetbase, which requires the wwmutex. The only...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumipip: A memory leak was fixed when changing the remote IPv6 address. The device stores IPv6 addresses that are used for encapsulation in linear memory, which is managed by the driver. Changing the remote address of...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: usb: asixdevices: add phymask for ax88772 mdio bus Without setting the phymask for the ax88772 mdio bus, the current driver may create at most 32 mdio PHY devices with PHY addresses ranging from 0x00 to 0x1f. The DLink...

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: media: uvcvideo: Skipping the parsing of frames of type UVCVSUNDEFINED in uvcparseformat. This issue can lead to out-of-bounds write attacks, as frames of this type were not taken into consideration when calculating the size of t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: A memory leak has been fixed in the error path of qla2x00processels. The commit number is 8c0eb596baa5 “SCSI qla2xxx: Fix a memory leak in an error path of qla2x00processels”. The intended changes were to modify th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: SUNRPC: The issue with the gssauth kref leak in the gssallocmsg error path has been fixed. Commit 5940d1cf9f42 “SUNRPC: Rebalancing the kref in authgss.c” includes a call to krefget&gssauth-kref to balance the gssputauth...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NVMe: Fixed the failure in reconnection due to reserved tag allocation. We identified an issue in a production environment while using NVMe over RDMA. The reconnection of adminq failed indefinitely, even when the remote target an...

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

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fixed a duplicate endpoint issue by clearing the reserved bits in the descriptor. Syzbot has identified a bug in usbcore see the “Closes” section below. The bug is caused by our assumption that the reserved bits in the...

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: md/raid1: The issue of stack memory usage after a return in the raid1reshape function has been fixed. In the raid1reshape function, the newpool is allocated on the stack and assigned to conf-r1biopool. This causes...

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

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fixed legacy IPOoIB issues due to an incorrect number of queues. The referenced commit creates child PKEY interfaces through netlink, which involve multiple tx and rx queues. However, some devices do not support more th...

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

In the Linux kernel, the following vulnerability has been resolved: iommusvabinddevice: This function should return either a device handle for binding SVA data, or an ERRPTR value in error cases. Existing drivers idxd and uacce only check the return value using ISERR. This could potentially lead ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fix for use-after-free in smb2lock. If smblock-zerolen has a value, the -llist of smblock is not deleted, and flock is an old version. This will cause a use-after-free during error handling routines...