Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed a warning in ext4handleinodeextension We encountered the following issues: EXT4-fs error device loop0 in ext4reserveinodewrite:5741: Out of memory EXT4-fs error device loop0: ext4setattr:5462: inode 13: comm...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the issue where the free nid was missing in f2fshandlefailedinode. This patch fixes the failure reported in xfstests/generic/475. 293.680694 F2FS-fs dm-1: May lose orphaned inode; run fsck to fix. 293.685358 Buffer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb3: Fixed temporary data corruption in the collapse range. The “collapse range” does not discard the affected cached regions; therefore, there is a risk of temporarily corrupting the file data. This fix corresponds to bug xfste...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid crashes when inline data creation occurs after DIO write When an inode is created and written using direct IO, there is no way to clear the EXT4STATEMAYINLINEDATA flag. As a result, when the inode is truncated to just...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fs: The UAF/GPF bug in nilfsmdtdestroy has been fixed. In allocinode, if inodeinitalways fails, it may return -ENOMEM. This failure causes inode-iprivate to remain uninitialized. As a result, nilfsismetadatafileinode returns true...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Added bounds checking in getmaxinlinexattrvaluesize. Normally, extended attributes within the inode body would be checked when the inode was first opened. However, if someone writes to the block device while the file system...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fscrypt: destroy keyring after securitysbdelete The function fscryptDestroykeyring must be called after all potentially-encrypted inodes have been evicted; otherwise, it cannot safely destroy the keyring. Since inodes that are...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Binder: Fixed a use-after-free in binderfsevict inode. When running ‘stress-ng --binderfs 16 --timeout 300’ under the KASAN-enabled kernel, the following issues were observed: BUG: KASAN: Slab-use-after-free in binderfsevict...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Silence the warning when evicting an inode with dioreadnolock When evicting an inode with the default dioreadnolock setting, it may cause problems where unwritten extents are converted by the kworker after writing new, newl...

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 in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: Added the EXT4IGETBAD flag to prevent unexpected bad inodes. There are many places that may encounter problems and crash when ext4iget returns a bad inode. However, if the iget function returns a bad inode, it may not be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a traversal bug in ext4mbusepreallocated. During allocation, when searching for pre-allocations PA in the per-inode rbtree, we cannot perform a direct traversal of the tree because ext4mbdiscardgrouppreallocation may...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: blk-crypto: made blkcryptoevictkey more robust. If blkcryptoevictkey determines that the key is still in use due to a bug or that -keyslotevict failed, it currently simply returns without unlinking the key from the keyslot...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a bug in ext4mbnew inodepa due to overflow. When calculating the end position of ext4freeextent, this position might be exactly where ext4lblkt i.e., uint overflows. For example, if acgex.felogical is 4294965248 and...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a NULL pointer dereference in ‘niwrite inode’. Syzbot identified the following issue: Unable to handle a NULL pointer dereference at the virtual address 0000000000000016. Memory abort information: ESR =...

Astra Linux – Vulnerability in Linux 5.10, Linux

A NULL pointer dereference flaw exists in the diFree function in the fs/jfs/inode.c file of the Journaled File System JFS in the Linux kernel. This flaw could allow a local attacker to crash the system or leak internal kernel information...

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

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed an array-index-out-of-bounds issue in diAlloc. Currently, there is no check for the agnno of the iag when allocating new inodes to avoid fragmentation problems. The check has been added, which is necessary...

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

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed a UAF in jfsevictinode When the execution of diMountipimap fails, the object ipimap that has been released may be accessed in diFreeSpecial. Asynchronous release of ipimap occurs when rcucore calls jfsfreenode...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: NFSv4.2: fixed issues related to nfs42sscopen. A destination server, when performing a COPY operation, should not accept the passed-in filehandle if it is not a regular filehandle. If the allocfilepseudo function fails, we nee...

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: ext4: Fix for corruption during online resizing We observed corruption during online resizing of a file system that is larger than 16 TiB and has a 4k block size. When there are more than 2^32 blocks, resizeinode is turned off by...