Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in ksmbd within the Linux kernel versions 5.15 through 5.19, prior to 5.19.2. The file fs/ksmbd/smb2misc.c contains an out-of-bounds read and an OOPS error related to the SMB2TREECONNECT function...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in ksmbd within the Linux kernel versions 5.15 through 5.19, prior to 5.19.2. The file fs/ksmbd/smb2pdu.c contains a use-after-free condition and an OOPS error related to SMB2TREEDISCONNECT...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: riscv: fixed the reserved memory setup Currently, RISC-V sets up reserved memory using the “early” copy of the device tree. As a result, when trying to access a reserved memory region using ofreservedmemlookup, the pointer to the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where rebuilding the free space tree using multiple transactions might fail. When rebuilding the free space tree, and while modifying the free space tree, we may need to allocate a new metadata block group. ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel before version 5.15.3, fs/quota/quotatree.c does not validate the block number in the quota tree on disk. This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file...

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: net: phy: Fix for accessing an empty array when the phygetinternaldelay function is called, provided that the driver calls phygetinternaldelay without defining delayvalues, and rx-internal-delay-ps or tx-internal-delay-ps is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: – Parsing the DT Device Tree for flashes along with the rest of the DT parsing. The recent refactoring of the code responsible for enabling runtime PM was implemented in the commit f1eb4e792bb1 „spi:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: regulator: da9063: Fix for null pointer dereferencing in partial DT configurations. When some of the da9063 regulators do not have corresponding DT nodes, a null pointer dereference occurs during bootup. This happens because such...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed the bug in estreesearch caused by an invalid boot loader inode. We have the following issues: kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMPT SMP CPU: 1 PID: 945 Comm: cat Not tainted...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: The release path was called before initializing the extent tree in btrfsreadlocked inode. In btrfsreadlocked inode, we call btrfsinitfileextenttree while holding a lock on a leaf of the subvolume tree...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Memory leaks have been fixed when rejecting a non-SINGLE data profile without an RST. At the end of btrfsloadblockgroupzoneinfo, the first thing we do is to ensure that if the mapping type is not a SINGLE one and there is ...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Avoid device tree lookups in rtasosterm. rtasosterm is called during panic. Its behavior depends on several conditions in the /rtas node of the device tree; traversing these nodes involves locking and changes to loc...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed a potential race condition when creating a tree that connects to IPC. Protected access to TCPServerInfo::hostname when naming the IPC tree; this is because the name might be freed by the cifsd thread, potentially...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Rejects invalid reloc tree root keys with stack dump. BUG Syzbot reported a crash that an ASSERT was triggered inside preparetomerge. This ASSERT ensures that the reloc tree is properly pointed back by its subvolume tree...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: btrfssetheadergeneration must not be moved to after cleantreeblock, because cleantreeblock calls btrfsheadergeneration from commit 55c69072d6bd5be1 “Btrfs: Fix extentbuffer usage when nodesize != leafsize”. In...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed the re-dirty process of tree-log nodes There is a report of a transaction abort with the following script: !/bin/sh for d in sda sdb; do mkfs.btrfs -d single -m single -f /dev/$d done mount /dev/sda /mnt/test moun...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: dsa: lantiqgswip: Fixed the reference count leak in gswipgphyfwlist. In every iteration of foreachavailablechildofnode, the reference count of the previous node is decremented. When exiting the foreachavailablechildofnode lo...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed the bug in estreesearch Hulk Robot reported a BUG: kernel BUG at fs/ext4/extentsstatus.c:199! ... RIP: 0010:ext4esend fs/ext4/extentsstatus.c:199 inline RIP: 0010:estreesearch+0x1e0/0x260 fs/ext4/extentsstatus.c:21...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Firmware: armscpi: Fixed string overflow in the SCPI genpd driver. Without the bounds checks for scpipd-name, a buffer overflow could occur when copying the SCPI device name from the corresponding device tree node. This occurs...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Adjust the subpage bit start based on the sector size. When running machines with a 64k page size and a 16k node size, we began to encounter tree log corruption in production. This occurred because we sometimes did not wri...