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CVE-2025-37822 is a Linux kernel vulnerability in the RISC-V uprobes implementation. The execute-out-of-line (XOL) buffer, which is used to single-step replaced instruction(s) for uprobes, was constructed without issuing the required fence.i instruction afterward. On RISC-V, fence.i is needed to synchronize the instruction stream after code modification by flushing or synchronizing the instruction cache view. Without it, the CPU may execute stale or corrupted instructions from the XOL buffer instead of the newly written contents. The issue was observed in practice while running BPF selftests such as test_progs: uprobe_autoattach and attach_probe on Spacemit K1/X60 systems, where uprobe-related tests failed intermittently.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.