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...

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...