Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

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

In the Linux kernel, the following vulnerabilities have been resolved: jfs: xattr: fixed buffer overflow for invalid xattr values. When the xattr size is not as expected, it is printed out to the kernel log in hexadecimal format as a form of debugging. However, when that xattr size is larger than...

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

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Fixed an out-of-bounds issue in dbNextAG and diAlloc. In dbNextAG, there was no check for the case where bmp-dbnumag is greater than or equal to MAXAG due to a corrupted image, which could lead to an out-of-bounds...

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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Fixed the uninit-value access to imap allocated in the diMount function. The syzbot reports that hexdumptobuffer uses uninit-value: ===================================================== BUG: KMSAN: uninit-value in...

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: jfs: jfsdmap: Validates dbl2nbperpage during mounting In jfsdmap.c, on line 381, BLKTODMAP is used to obtain a logical block number within dbFree. dbl2nbperpage, which is the log2 of the number of blocks per page, is passed as an...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbDiscardAG. This fix should apply to most URSAN bugs that were recently detected by syzbot, by addressing the issue related to dbMount. Since syzbot is allegedly feeding invalid data into the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Fixed null-ptr-deref in jfsioctrim Syzkaller Report Oops: General Protection Fault, likely for non-canonical addresses 0xdffffc0000000087: 0000 1 KASAN: null-ptr-deref in range 0x0000000000000438-0x000000000000043f CPU: 2...

Astra Linux - уязвимость в 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 - уязвимость в 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 dbAdjTree. Currently, there is a missing bounds check when accessing the dmtstree within dbAdjTree. To address this issue, a boolean variable named “isctl” was added. This variable...

Astra Linux - уязвимость в linux, linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: jfs: fixed GPF in diFree Avoid passing an inode with JFSSBIinode-isb-ipimap == NULL to diFree1. GFP will be returned: struct inode ipimap = JFSSBIip-isb-ipimap; struct inomap imap = JFSIPipimap-iimap; JFSIP will return an...

Astra Linux - уязвимость в linux-5.10, linux

A NULL pointer dereference flaw was discovered in dbFree in the fs/jfs/jfsdmap.c file of the Journaling File System JFS within the Linux kernel. This issue may allow a local attacker to cause the system to crash due to a missing sanity check...

Astra Linux - уязвимость в 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 jfsevict inode. 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 - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Added a check for a negative value of dbl2nbperpage. l2nbperpage is log2number of blks per page. The minimum legal value should be 0, not negative. If l2nbperpage is negative, an error will occur when it is later used as ...

SUSE CVE-2025-71292

In the Linux kernel, the following vulnerability has been resolved: jfs: nlink overflow in jfsrename If nlink is maximal for a directory -1 and inside that directory you perform a rename for some child directory not moving from the parent, then the nlink of the first directory is first incremente...

EUVD-2025-209683

In the Linux kernel, the following vulnerability has been resolved: jfs: nlink overflow in jfsrename If nlink is maximal for a directory -1 and inside that directory you perform a rename for some child directory not moving from the parent, then the nlink of the first directory is first incremente...

CVE-2025-71292

In the Linux kernel, the following vulnerability has been resolved: jfs: nlink overflow in jfsrename If nlink is maximal for a directory -1 and inside that directory you perform a rename for some child directory not moving from the parent, then the nlink of the first directory is first incremente...

CVE-2025-71292

In the Linux kernel, the following vulnerability has been resolved: jfs: nlink overflow in jfsrename If nlink is maximal for a directory -1 and inside that directory you perform a rename for some child directory not moving from the parent, then the nlink of the first directory is first incremente...

CVE-2025-71292 jfs: nlink overflow in jfs_rename

In the Linux kernel, the following vulnerability has been resolved: jfs: nlink overflow in jfsrename If nlink is maximal for a directory -1 and inside that directory you perform a rename for some child directory not moving from the parent, then the nlink of the first directory is first incremente...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an overflow in the nlink function of the jfs file system’s jfsrename function. This vulnerability may...