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CVE-2026-80521

CVE-2026-80521

ratatoskr.run • September 24, 2026

Issue introduced in 6.10 with commit 4090fa373f0e763c43610853d2774b5979915959 and fixed in 7.1.10 with commit e3702470ced94fad74d71e2232f022d2eb752a6d

Issue introduced in 6.10 with commit 4090fa373f0e763c43610853d2774b5979915959 and fixed in 7.2 with commit 594d905195024b228c962627ae5ae7c17bd582a4

Issue introduced in 6.1.141 with commit 5dfd283f4651d04dbb70ceb9ae5c4a30eda3c52a

Issue introduced in 6.6.93 with commit de7921631ff323369aa63a4324695ab54ea4047e

Unaffected versions might change over time as fixes are backported to

older supported kernel versions. The official CVE entry at

will be updated if fixes are backported, please check that for the most

The Linux kernel CVE team recommends that you update to the latest

stable kernel version for this, and many other bugfixes. Individual

changes are never tested alone, but rather are part of a larger kernel

release. Cherry-picking individual commits is not recommended or

supported by the Linux kernel community at all. If however, updating to

the latest release is impossible, the individual changes to resolve this