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THREAT OPS › Threat News › [NVD] CVE-2026-89459 (HIGH 7.0) — 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 alrea

[NVD] CVE-2026-89459 (HIGH 7.0) — 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 alrea

mednvdPublished 2026-09-11

CVE-2026-89459 CVSS: 7.0 HIGH Published: 2026-09-11T20:19:26.780

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. This generates an assembler macr

Indicators of compromise

CVE-2026-89459cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-89459