Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005686)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005686 advisory. In the Linux kernel, the following vulnerability has been resolved: fs: jfs: Fix UBSAN: array-index-out-of-bounds in dbAllocDmapLev Syzkaller reported the following...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992779)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992779 advisory. In the Linux kernel, the following vulnerability has been resolved: jfs: jfsdmap: Validate dbl2nbperpage while mounting In jfsdmap.c at line 381, BLKTODMAP is used t...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990613)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990613 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add validity check for dbmaxag and dbagpref Both dbmaxag and dbagpref are used as the ind...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986294)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986294 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative dbl2nbperpage l2nbperpage is log2number of blks per page, and the...

SUSE CVE-2023-53485

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: Fix UBSAN: array-index-out-of-bounds in dbAllocDmapLev Syzkaller reported the following issue: UBSAN: array-index-out-of-bounds in fs/jfs/jfsdmap.c:1965:6 index -84 is out of range for type 's8341' aka 'signed char341'...

UBUNTU-CVE-2023-53485

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: Fix UBSAN: array-index-out-of-bounds in dbAllocDmapLev Syzkaller reported the following issue: UBSAN: array-index-out-of-bounds in fs/jfs/jfsdmap.c:1965:6 index -84 is out of range for type 's8341' aka 'signed char341'...

CVE-2023-53222

CVE-2023-53222 pertains to the Linux kernel, specifically the JFS filesystem code (jfs_dmap). The issue is a mounting-time validation flaw in db_l2nbperpage: BLKTODMAP uses db_l2nbperpage to shift, and an unchecked large value can trigger a shift-out-of-bounds crash. The root cause is that db_l2n...

CVE-2023-53222 jfs: jfs_dmap: Validate db_l2nbperpage while mounting

In the Linux kernel, the following vulnerability has been resolved: jfs: jfsdmap: Validate dbl2nbperpage while mounting In jfsdmap.c at line 381, BLKTODMAP is used to get a logical block number inside dbFree. dbl2nbperpage, which is the log2 number of blocks per page, is passed as an argument to...

The vulnerability of the dbAdjTree() function in the fs/jfs/jfs_dmap.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the dbAdjTree function in the fs/jfs/jfsdmap.c module of the Linux operating system is related to unvalidated array indexing. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

The vulnerability of the dbMount() function in the fs/jfs/jfs_dmap.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the dbMount function in the fs/jfs/jfsdmap.c module of the Linux operating system is related to reading beyond the buffer boundaries. Exploiting this vulnerability can allow an attacker to cause a service failure...

OESA-2023-1584 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connectio...