Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Do not log keys during SMB3 signing and encryption key generation. When the KSMBDDEBUGAUTH logging option is enabled, the functions generatesmb3signingkey and generatesmb3encryptionkey log the bytes of the session, signing...

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: fou: Do not allow 0 for FOUATTRIPPROTO. The issue mentioned in the previous patch still exists in fouudprecv. If FOUATTRIPPROTO is set to 0, the buffer skb is neither freed by fouudprecv nor sent through ipprotocoldeliverrcu. Let...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Free releases resources after coalescing The releaseresource function does not actually free the resource or the resource list. To avoid a leak, the resource list entry is freed instead...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ice: arfs: fixed a use-after-free when freeing @rxcpurmap The CI testing bots triggered the following error message: 718.203054 BUG: KASAN: use-after-free in freeirqcpurmap+0x53/0x80 718.206349 Read of size 4 at addr...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Cancel the mesh send timer when the hdev is removed The meshsenddone timer is not canceled when the hdev is removed, which can cause a crash if the timer triggers after the hdev is gone. Cancel the timer when...

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: ARM: Tegra – Use I/O memcpy to write to IRAM The Kasan vulnerability causes the kernel to crash when attempting to check boundaries using the normal memcpy...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix invalid dereference of sblvbptr I encounter issues when placing an lkbsb on the stack and having the sblvbptr field point to a dangling pointer, without using DLMLKFVALBLK. This will cause a crash with the following...

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

In the Linux kernel, the following vulnerability has been resolved: ubi: Fixed the UAF Use-After-Free issue in the wear-leveling entry of eraseblkcountseqshow. The wear-leveling entry could be freed during an error-prone path, and this entry might be accessed again in eraseblkcountseqshow, for...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed a race condition related to the refcnt of skb after locking operations. There is a race condition where the skb from the skpsockbacklog can be referenced after the user-space environment has already consume...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue of information leakage in f2fsmoveInlinedirents has been fixed. When converting an inline directory to a regular one, f2fs leaks uninitialized memory to the disk because it does not initialize the entire directory...

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 Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: Signal: Allocate SSVE storage when restoring ZA The code used to restore a ZA context does not attempt to allocate the task’s svestate before setting TIFSME. As a result, restoring a ZA context may place the task in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wan/fslucchdlc: Fixed the dmafreecoherent function in uhdlcmemclean. The priv-rxbuffer and priv-txbuffer are allocated together as contiguous buffers in uhdlcinit, but they are freed as two separate buffers in uhdlcmemclean...

Astra Linux – Vulnerability in Linux 5.10, Linux

The file drivers/usb/gadget/legacy/inode.c in the Linux kernel, up to version 5.16.8, improperly handles the release of dev-buf...

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

In the Linux kernel, the following vulnerabilities have been resolved: ima: Fixed a use-after-free issue related to the dname.name of a dentry. – dname.name can be changed during a rename operation, and the previous value can be freed. There are conditions that could potentially stabilize this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “Revert “block, bfq: honor already-setup queue merges”” A crash occurred in conjunction with the commit 2d52c58b9c9b “block, bfq: honor already-setup queue merges”. This issue was later reverted by the commit ebc69e897e17 “Revert...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “fou”: fixed the initialization of grc. Grc must be initialized first. There may be a situation where if fou is NULL, “goto out” will be executed, and grc will be used in an uninitialized state...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/tunnel: Wait until all skuserdata readers complete before releasing the sock. There is a race condition in vxlan where, when deleting a vxlan device during packet reception, there is a possibility that the sock is released...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a NULL pointer dereferencing issue in smb2getinfofilesystem. If share is provided, share-path will be NULL, which can lead to a NULL pointer dereferencing issue...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RCU: Protect access to rcuprinttaskexpstall - exptasks For kernels built with CONFIGPREEMPTRCU=y, the following scenario can result in a NULL pointer dereferencing: c CPU1 CPU2 rcupreemptdeferredqsirqrestore rcuprinttaskexpstall ...