CVE-2026-98403 s390/boot: Avoid IPL parameter append past command line

In the Linux kernel, the following vulnerability has been resolved: s390/boot: Avoid IPL parameter append past command line A command line may occupy all but the terminating byte of COMMANDLINESIZE. In that case appendiplblockparm passes a zero size to the IPL parameter conversion helpers and...

EUVD-2026-101052

In the Linux kernel, the following vulnerability has been resolved: s390/boot: Avoid IPL parameter append past command line A command line may occupy all but the terminating byte of COMMANDLINESIZE. In that case appendiplblockparm passes a zero size to the IPL parameter conversion helpers and...

CVE-2026-98403

The Linux kernel contains a vulnerability in the s390/boot component where the append_ipl_block_parm() function can cause an out-of-bounds write . If a command line occupies nearly all of COMMAND_LINE_SIZE, the function passes a zero size to conversion helpers while pointing to a destination one ...

CVE-2026-98403

In the Linux kernel, the following vulnerability has been resolved: s390/boot: Avoid IPL parameter append past command line A command line may occupy all but the terminating byte of COMMANDLINESIZE. In that case appendiplblockparm passes a zero size to the IPL parameter conversion helpers and...