Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed an array-index-out-of-bounds read in addmissingindices. stbl is an s8 type, but it must contain offsets into slots that can range from 0 to 127. A bound check was added for this error, and the error -EIO is returned if...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed an issue where inode lists were leaked during backref walking in findparentnodes. During backref walking, when findparentnodes is called, if we are dealing with a data extent and an error occurs while resolving...

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 slab-out-of-bounds Read in dtSearch Currently, when searching for the current page in the sorted entry table of the page, there is an out-of-bound access. A bound check has been added to fix this error. Dave: The...

Astra Linux – Vulnerability in grub2

A flaw was discovered in the HFS filesystem. When reading the name of an HFS volume during the grubfsmount function, the HFS filesystem driver uses the user-provided volume name as input without properly verifying the length of that name. This issue may lead to a heap-based out-of-bounds write...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: Use memallocnofssave in pagecacheraorder. See commit f2c817bed58d “mm: Use memallocnofssave in readahead”, ensure that pagecacheraorder does not attempt to reclaim file-backed pages too often, as this can lead to a deadlock...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs: hfsplus: removing WARNON from hfspluscatread,writeinode. The syzbot tool encounters WARNON in hfspluscatread,writeinode, where a crafted filesystem image may contain invalid lengths. These conditions do not constitute kernel...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ovl: fixed null pointer dereference in ovlgetaclrcu The following processes are involved: P1 P2 pathopenat linkpathwalk maylookup inodepermissionrcu ovlpermission aclpermissioncheck checkacl getcachedaclrcu ovlget inodeacl...

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: Verify the inode mode when loading from disk. The inode mode loaded from a corrupted disk may be invalid. Do as described in the commit 0a9e74051313 “isofs: Verify the inode mode when loading from disk”...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs: Relaxing the assertions when encoding file handles fails Encoding file handles is typically performed by a filesystem method called encodefh, which may fail for various reasons. Legacy users of exportfsencodefh—specifically,...

Astra Linux – Vulnerability in Chromium

Incorrect authorization in FileSystem in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to leverage social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. Chromium security severity: High...

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: xfs: Save the ailp pointer before releasing the AIL lock during push callbacks. In xfs inodeitempush and xfsqmdquotlogitempush, the AIL lock is released to perform buffer I/O operations. Once the cluster buffer no longer protects...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in the FileSystem of Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass discretionary access control through a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not create EA inodes under the buffer lock The ext4xattrsetentry function creates new EA inodes while holding the buffer lock on the external xattr block. This is problematic because all allocation-related locking...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed an assertion issue when building the free space tree. When building the free space tree with the block group tree feature enabled, an assertion failure may occur like this: BTRFS info device loop0 state M: rebuilding...

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: f2fs: fixed the sanity check on sbi-totalvalidblockcount. syzbot reported a f2fs bug as follows: ------------ cut here ------------ Kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010:decvalidblockcount + 0x3b2/0x3c0, fs/f2fs/f2fs.h:252...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: The issue in parseapplysbmountoptions where string copying was corrected. strncpypad cannot be used to copy a non-NUL-terminated string into a NUL-terminated string of possibly larger size. Commit 0efc5990bca5 "string.h:...

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

In the Linux kernel, the following vulnerabilities have been resolved: FS:JFS:UBSAN: array-index-out-of-bounds in dbAdjTree Syzkaller reported the following issue: UBSAN: array-index-out-of-bounds in fs/jfs/jfsdmap.c:2867:6 Index 196694 is out of range for type ‘s81365’ aka ‘signed char1365’ CPU:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for accessing an uninitialized lock in the fc replay path. The following kernel trace can be triggered with fstest generic/629 when executed against a filesystem with the fast-commit feature enabled: INFO: Trying to...

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: Make sure the first directory block is not a hole. The syzbot constructs a directory that has no dirblock, but it is not inline; in other words, the first directory block is a hole. No errors are reported when creating 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: ext4: Convert inline data to extents when truncate exceeds inline size A check has been added to ext4setattr to convert files from inline data storage to extent-based storage when the truncate function increases the file size...