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

A flaw was discovered in the exFAT driver of the Linux kernel. The vulnerability resides in the implementation of the file name reconstruction function, which is responsible for reading file name entries from a directory index and merging file name parts belonging to one file into a single long...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a transaction abort issue when snapping received subvolumes. Currently, a user can trigger a transaction abort by snapping a previously received snapshot multiple times until an item overflow occurs the maximum item...

Astra Linux – Vulnerability in Linux, Linux 5.10

A race condition accessing file objects in the Linux kernel OverlayFS subsystem was identified. This occurs when users renames files using OverlayFS in a specific manner. A local user could exploit this flaw to cause the system to crash...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Regenerate the buddy structure after block freeing fails when under fc replay. This fix primarily reverts to commit 6bd97bf273bd “ext4: Remove redundant mbregeneratebuddy”, and reintroduces the function mbregeneratebuddy...

Astra Linux – Vulnerability in f2fs-tools

There is an exploitable information disclosure vulnerability in the initnodemanager functionality of F2fs-Tools F2fs.Fsck 1.12 and 1.13. A specially crafted filesystem can be used to disclose information. An attacker can provide a malicious file to trigger this vulnerability...

Astra Linux – Vulnerability in f2fs-tools

There is an exploitable information disclosure vulnerability in the getdnodeofdata functionality of the F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can lead to information disclosure. An attacker can provide a malicious file that triggers this vulnerability...

Astra Linux – Vulnerability in Linux 5.15

The following vulnerability has been resolved in the Linux kernel: btrfs: fixed an issue with the tree mod log handling of reallocated nodes. We have observed the following panics in production: - Kernel bug at fs/btrfs/tree-mod-log.c:677! - Invalid opcode: 0000 1 SMP - RIP:...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in the File System API of Google Chrome prior to version 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions through a crafted HTML page...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not set SBRDONLY after filesystem errors When the filesystem is mounted with errors=remount-ro, we previously set the SBRDONLY flag to prevent any further modifications to the filesystem. We knew that this approach misse...

Astra Linux – Vulnerability in Linux, Linux 5.10

A heap-based buffer overflow flaw was discovered in the way the legacyparseparam function in the Linux kernel’s Filesystem Context functionality verifies the length of the supplied parameters. A non-privileged user if non-privileged user namespaces are enabled, otherwise requiring CAPSYSADMIN...

Astra Linux – Vulnerability in Linux, Linux 5.10

A data leak flaw was discovered in the way of the XFSIOCALLOCSP IOCTL in the XFS filesystem, which allows for an increase in file sizes when the size is unaligned. A local attacker could exploit this flaw to leak data from the XFS filesystem that would otherwise be inaccessible to them...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

An integer overflow or wrap-around vulnerability exists in the OpenEuler kernel on Linux file system modules, allowing for forced integer overflow. This issue affects the OpenEuler kernel, starting from version 4.19.90, up to and including version 4.19.90-2401.3, as well as versions 5.10.0-60.18....

Astra Linux – Vulnerability in f2fs-tools

There is an exploitable information disclosure vulnerability in the devread functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can lead to an uninitialized read operation, resulting in information disclosure. An attacker can provide a malicious file to trigger this...

Astra Linux – Vulnerability in Linux 6.1

On Ubuntu kernels that carry both c914c0e27eb0 and “UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs. xattrs”, a non-privileged user may set privileged extended attributes on mounted files, causing those attributes to be applied to the upper files without the appropriate...

Astra Linux – Vulnerability in f2fs-tools

There is an exploitable code execution vulnerability in the fsckchkorphannode functionality of the F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can lead to a heap buffer overflow, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability...

Astra Linux – Vulnerability in Linux 5.10

A flaw was discovered in btrfsgetrootref in fs/btrfs/disk-io.c within the btrfs filesystem of the Linux kernel, due to a double decrement of the reference count. This issue may allow a local attacker with user privileges to crash the system or may lead to the leakage of internal kernel informatio...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in DevTools in Google Chrome on Windows prior to 108.0.5359.71 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Validates the index root when initializing NTFS security. This improves the sanity check for $SDH and $SII during the initialization of NTFS security, ensuring that these index roots are legitimate. 162.459513 BUG:...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability was discovered in the fs/inode.c:inodeinitowner function logic of the Linux kernel. This vulnerability allows local users to create files for the XFS file system with unintended group ownership, along with group execution and SGID permission bits set. This occurs in a scenario whe...

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

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Avoid touching a renamed directory if its parent does not change. The VFS will not lock the moved directory if its parent does not change. Modify the ocfs2 rename code to avoid touching the renamed directory if its parent...