orangefs: skip leading spaces before parsing client debug masks
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: orangefs: skip leading spaces before parsing client debug masks orangefs_prepare_cdm_array() sizes each client debug keyword buffer with strcspn(cds_head, " "), but then parses the keyword with %s. The %s conversion skips leading whitespace, while strcspn() does not. If a client debug entry starts with a space, the allocation can be sized for an empty keyword while sscanf() copies the following non-empty token. This can write past the end of the allocated keyword buffer. Skip leading spaces before computing the keyword length so the allocation matches the string parsed by sscanf().
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.109, 6.18.50, 7.2.4, 7.3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 7 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-89497
- 2026-10-03 Alias added: GHSA-3799-qp69-xpqm
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-11-06 Affected versions changed · Red Hat
References
Other 8
- https://git.kernel.org/stable/c/173bfd69696815bcf1c052f61cb69c26cca4e443
- https://git.kernel.org/stable/c/995f4d05589f87452a56672270af28918c8939c3
- https://git.kernel.org/stable/c/0ef38d53bca5ea1375fea0d3d11e9727df064b85
- https://git.kernel.org/stable/c/ce748ae1181d0daf5dd0d2d906d5c1cc328c153b
- https://git.kernel.org/stable/c/15d79c806231e62a7b746d3b42626810004e1b27
- https://git.kernel.org/stable/c/116d14f29a0524853c9316f32a2ac06cff5d4bf6
- https://git.kernel.org/stable/c/1774c5b3713add32fe15ab0d3db4b73355f94e35
- https://git.kernel.org/stable/c/d410cd5303ec59c7cf23dd61423752ce8e9ecb59
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Sources
- CVE-2026-89497 · CVE Program
- CVE-2026-89497 · NVD
- FIRST EPSS
- GHSA-3799-qp69-xpqm · GitHub Advisory Database · CC BY 4.0
- CVE-2026-89497 · Red Hat security data · CC BY 4.0
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