Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100588)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100588 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject ssysblocksize smaller than OMFSDIRSTART omfsfillsuper rejects oversized...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099777)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099777 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject ssysblocksize smaller than OMFSDIRSTART omfsfillsuper rejects oversized...

CVE-2026-53130

In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject ssysblocksize smaller than OMFSDIRSTART omfsfillsuper rejects oversized ssysblocksize values PAGESIZE, but it does not reject values smaller than OMFSDIRSTART 0x1b8 = 440. Later, omfsmakeempty uses sbi-ssysblocksi...

CVE-2026-53130

The CVE-2026-53130 issue affects the Linux kernel OMFS code path (fs/omfs). A crafted filesystem image with s_sys_blocksize b_data + OMFS_DIR_START due to an unsigned underflow. The result can overwrite kernel memory far beyond the backing block buffer. The advisory notes a fix: add a lower-bound...