Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed an issue where shareconf was freed after use, in compound requests. smb2getksmbdtcon reuses work-tcon in compound requests without validating tcon-tstate. ksmbdtreeconnlookup checks that tstate is equal to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: Guard flow control updates with globaltxfc in buffer switching The function mvpp2bmswitchbuffers mvpp2bmpoolupdateprivfc when switching between per-cpu and shared buffer pool modes. This function programs the CM3 flow...

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

In the Linux kernel, the following vulnerability has been resolved: schhfsc: made hfscqlennotify idempotent. hfscqlennotify itself is not idempotent, and it is not friendly to its callers, like fqcodeldequeue. We need to make it idempotent to ease the work of qdisctreereducebacklog callers: 1...

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/sched: Returns NULL when htblookupleaf encounters an empty rbtree. htblookupleaf has a BUG that can be triggered with the following commands: tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb default 1 tc class...

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 in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: msm8998: Fixed the latency and residency issues during CPU/L2 idle states. The entry/exit latency and minimum residency in the idle states of the MSM8998 device were incorrect. Firstly, the timings were set for...

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 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 occurs during the handling of the SMB2TREECONNECT and SMB2QUERYINFO commands. The issue arises from the lack of proper validation of a pointer before accessing it. 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: lib/generic-radix-tree.c: A rare race condition in genradixptralloc has been fixed. If we need to increase the tree depth, we will allocate a new node. If another thread increases the tree depth before us, we will still have a...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed the potential NULL pointer dereferencing in nilfsbtreeinsert The patch series “nilfs2: fixes potential issues with empty B-tree nodes” addresses three potential issues with empty B-tree nodes that can occur with...

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

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Reserving space for inline xattr before attaching the reflink tree. One of our customers reported a crash and a corrupted ocfs2 filesystem. The crash was due to the detection of corruption. Upon troubleshooting, the fsck -...

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: jfs: Upper bound check of the tree index in dbAllocAG When calculating the tree index in dbAllocAG, we never check whether we are out of bounds relative to the size of the tree. This could occur in a scenario where the filesystem...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There is a race between a task that disables quotas and another task that runs the rescan ioctl. This can lead to a use-after-free of qgroup records from the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Regulator: Core – Fix for unbalanced node refcount in regulatordevlookup The following report was received: ERROR: Memory leak; expected refcount 1 instead of 2. Unbalanced in ofnodeget/ofnodeput – destroyed cset entry: Attaching...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed a mid leak that occurred during reconnection after a timeout threshold. When the number of responses with the status STATUSIOTIMEOUT exceeds a specified threshold NUMSTATUSIOTIMEOUT, we reconnect the connection...

Astra Linux – Vulnerability in Linux 5.15

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 5.10, Linux

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ubifs: Skip dumping the tnc tree when zroot is null. Clearing the slab cache will free all znode entries in memory, and set c-zroot.znode to NULL. Dumping the tnc tree will then access c-zroot.znode, which can lead to a null...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm: adv7511: A use-after-free issue has been fixed in adv7533attachdsi. The hostnode pointer was assigned and freed in adv7533parsedt. Later, adv7533attachdsi uses the same pointer. This use-after-free issue can be fixed by...