Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/shmem-helper: The erroneous “put” operation has been removed from the error path. The drmgemshmemmmap function does not have a reference in the error code path, resulting in the dma-buf shmem GEM object being freed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: i2c/tw9903: A potential memory leak was fixed in tw9903probe. In one of the error paths in tw9903probe, the memory allocated in v4l2ctrlhandlerinit and v4l2ctrlnewstd is not freed. This issue was addressed by calling...

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: pnfs/flexfiles: Fixed a memory leak in nfs4ffallocdeviceidnode. In nfs4ffallocdeviceidnode, if the allocation for dsversions fails, the function jumps to the outscratch label without freeing the already allocated dsaddrs list,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fixed the bsgdone function that causes a double free. Kernel panic was observed on the system: 5353358.825191 BUG: Unable to handle a page fault for address: ff5f5e897b024000. 5353358.825194 PF: Supervisor write...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw exists in the processing of SMB2LOGOFF and SMB2CLOSE commands. The issue arises from the lack of proper locking when performing operations on an object. An attacker can...

Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in the drivers/usb/gadget/composite.c file within the Linux kernel before version 5.16.10. The USB Gadget subsystem lacks certain validations for interface OS descriptor requests those with a large array index and those associated with NULL function pointer retrieval. Memor...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Staging: greybus: uart: fixed the issue where tty was used after it was freed. The user space can keep a tty open indefinitely, and tty drivers must not release the underlying structures until the last user has left. We have...

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

In the Linux kernel, the following vulnerabilities have been resolved: debugobjects: Do not wake up kswapd from fillpool. syzbot reports a lockdep warning in fillpool, because the allocation via debugobjects uses GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM. This attempt to wake up kswapd resul...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: hns3: Fix for out-of-bound access when a valid event group is used. The perf tool allows users to create event groups using the cmd 1, but the driver does not check whether the array index is out of bounds whe...

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: i40e: added validation for the ringlen parameter. The ringlen parameter provided by the virtual function VF is assigned directly to the hardware memory context HMC without any validation. To address this issue, a upper boundar...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the ofmodalias function, we can pass the str and len parameters. This could lead to a kernel oops in vsnprintf, as the function only allows passing a NULL pointer when the length is also 0. Additionally, we need to filter out...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Changed the nlapolicy for bearer-related names to NLANULSTRING. The syzbot reported the following uninit-value access issues 1: ===================================================== BUG: KMSAN: uninit-value in strlen in...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Clear all QP fields if creation failed rxeqpdocleanup relies on valid pointer values in QP for the properly created ones. However, if rxeqpfrominit fails, the QP fields may be filled with garbage, causing the followi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: tls: fixed handling of zero-length records in the rxlist Each recvmsg call must process either: - only contiguous DATA records any number of them - one non-DATA record If the next record has a different type than those that ha...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: Fixed the return type of netcpndostartxmit With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype to ensure that the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/hdmi: fixed memory corruption due to too many bridges. Added a missing sanity check on the bridge counter to prevent corruption of data beyond the fixed-sized bridge array, in case there are more than eight bridges...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: Destroy the cmid before destroying the qp to avoid using it after freeing it. We should always destroy the cmid before destroying the qp to prevent accessing the cma after the qp is destroyed. This can lead to incorrec...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: isofs: Fixed out-of-bound access for corrupted isofs images. When an isofs image is corrupted, isofsread inode can read data beyond the end of the buffer. It is necessary to sanity-check the length of the directory entry befor...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: MIPS: vpe-mt: fixed a possible memory leak when the module exits. After committing 1fa5ae857bb1 “driver core: removed the struct device’s busid string array”, the name of the device is allocated dynamically. This allocation needs...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: Always use ONONBLOCK for read/write operations. The syzbot report indicates that tasks become hung at p9fdclose, due to p9muxpollstop. This occurs because p9connDestroy fails to interrupt kernelread/kernelwrite that...