CVE-2026-89459

In the Linux kernel, the following vulnerability has been resolved: s390/percpu: Fix MVIYPERCPU with older binutils Commit a737737cdb9c "s390/percpu: Infrastructure for more efficient thiscpu operations" introduced MVIYPERCPU, which stringifies arguments that are already C string literals. This...

CVE-2026-89459

CVE-2026-89459 affects the Linux kernel on s390 architecture. The MVIY_PERCPU() macro, introduced in commit a737737cdb9c, stringifies C string literals producing assembler invocations like GEN_MVIY "459712" "%r3". With binutils prior to 2.39 , the separating whitespace between quoted macro argume...

PT-2026-90175

In the Linux kernel, the following vulnerability has been resolved: s390/percpu: Fix MVIY PERCPU with older binutils Commit a737737cdb9c "s390/percpu: Infrastructure for more efficient this cpu operations" introduced MVIY PERCPU, which stringifies arguments that are already C string literals. Thi...

PT-2026-90297

In the Linux kernel, the following vulnerability has been resolved: bpf, x86: Fix per-CPU address resolution into an extended register The destination of the per-CPU address MOV is encoded in ModRM.reg, which is extended by REX.R, but the REX prefix is built with add 1mod, which sets REX.B. REX.B...