Critical severity9.8NVD Advisory· Published Jan 27, 2020· Updated Jun 17, 2026
CVE-2019-20427
CVE-2019-20427
Description
In the Lustre file system before 2.12.3, the ptlrpc module has a buffer overflow and panic, and possibly remote code execution, due to the lack of validation for specific fields of packets sent by a client. Interaction between req_capsule_get_size and tgt_brw_write leads to a tgt_shortio2pages integer signedness error.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Lustre/Lustre file systemdescription
Patches
Vulnerability mechanics
References
4- jira.whamcloud.com/browse/LU-12600nvdExploitIssue TrackingThird Party Advisory
- review.whamcloud.comnvdExploitThird Party Advisory
- lustre.orgnvdProductVendor Advisory
- wiki.lustre.org/Lustre_2.12.3_ChangelognvdRelease NotesVendor Advisory
News mentions
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