VulnerabilityModified
CVE-2019-20426
In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client.
HIGH 7.5EPSS 1.92%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. In the function ldlm_cancel_hpreq_check, there is no lock_count bounds check.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.92% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- lustre/lustre
- Source
- cve@mitre.org
References
- http://lustre.org/Product, Vendor Advisory
- http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes, Vendor Advisory
- https://jira.whamcloud.com/browse/LU-12614Exploit, Third Party Advisory
- https://review.whamcloud.com/#/c/36107/Third Party Advisory
- http://lustre.org/Product, Vendor Advisory
- http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes, Vendor Advisory
- https://jira.whamcloud.com/browse/LU-12614Exploit, Third Party Advisory
- https://review.whamcloud.com/#/c/36107/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.