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: fixed an invalid free of JFSIPipimap-iimap in diUnmount. syzbot detected an invalid-free in diUnmount: BUG: KASAN: double-free in slabfree mm/slub.c:3661 inline BUG: KASAN: double-free in kmemcachefree+0x71/0x110...

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

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction, potentially preventing NULL pointer dereferencing...

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

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Prevent copying of nlink with a value of 0 from the disk inode. syzbot reported a deadlock in diFree. 1 When calling “ioctl$LOOPSETSTATUS64”, the offset value passed in is 4, which does not match the mounted loop device...

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: fixed an array-index-out-of-bounds issue in jfsreaddir. The stbl might contain some invalid values. A check was added to return an error code in such cases...

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: added a check to prevent array-index-out-of-bounds in dbAdjTree. When the value of lp is 0 at the beginning of the for loop, it will become negative during the next assignment, and we should take appropriate measures to avoi...

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

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fixed the null-ptr-deref read operation in txBegin. Syzkaller reported a issue where txBegin might be called on a superblock within a read-only mounted file system, leading to a NULL pointer dereference. This issue can b...

CVE-2025-71292

A flaw was found in the Linux kernel's Journaled File System JFS. This vulnerability occurs when a directory's link count nlink reaches its maximum value and a rename operation is performed on a child directory. This can cause the link count to wrap around, leading to an nlink overflow. The...

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013084)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013084 advisory. In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007540)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007540 advisory. In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only...

The vulnerabilities of the functions extAlloc() and extRecord() in the JFS file system module fs/jfs/jfs_extent.c of the Linux operating system’s kernel allow a hacker to cause a service failure.

The vulnerability of the extAlloc and extRecord functions in the JFS file system module fs/jfs/jfsextent.c of the Linux operating system is related to the copying of buffers without checking the size of the input data a classic buffer overflow attack. Exploiting this vulnerability could allow an...

The vulnerability of the dbMount() function in the fs/jfs/jfs_dmap.c module of the Linux file system’s JFS kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the dbMount function in the fs/jfs/jfsdmap.c module of the Linux file system’s JFS kernel relates to buffer-overflow attacks. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

ROS-20260126-73-0032

A vulnerability in the eaget function of the fs/jfs/xattr.c component of the Linux operating system kernel is related to reading outside the allowed data buffer boundaries. Exploitation of the vulnerability may allow an attacker to gain access to sensitive data and also cause a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992868)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992868 advisory. In the Linux kernel, the following vulnerability has been resolved: jfs: check if leafidx greater than num leaves per dmap tree syzbot report a out of bounds in...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992294)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992294 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Prevent integer overflow in AG size calculation The JFS filesystem calculates allocation...

CVE-2025-68168

In the Linux kernel, the following vulnerability has been resolved: jfs: fix uninitialized waitqueue in transaction manager The transaction manager initialization in txInit was not properly initializing TxBlock0.waitor waitqueue, causing a crash when txEnd0 is called on read-only filesystems. Whe...

DEBIAN-CVE-2023-53766

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction potentially saving from NULL pointer deref...