Answer in brief
CVE-2025-37789 records a Unknown severity vulnerability in net: openvswitch: fix nested key length validation in the set() action. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2025-37789 records a Unknown severity vulnerability in net: openvswitch: fix nested key length validation in the set() action. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=ccb1352e76cff0524e7ccb2074826a092dd13016 <54c6957d1123a2032099b9eab51c314800f677ce || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <a27526e6b48eee9e2d82efff502c4f272f1a91d4 || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <1489c195c8eecd262aa6712761ba5288203e28ec || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <824a7c2df5127b2402b68a21a265d413e78dcad7 || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <be80768d4f3b6fd13f421451cc3fee8778aba8bc || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <03d7262dd53e8c404da35cc81aaa887fd901f76b || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <65d91192aa66f05710cfddf6a14b5a25ee554dba | 54c6957d1123a2032099b9eab51c314800f677ce, 7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd, a27526e6b48eee9e2d82efff502c4f272f1a91d4, 1489c195c8eecd262aa6712761ba5288203e28ec, 824a7c2df5127b2402b68a21a265d413e78dcad7, be80768d4f3b6fd13f421451cc3fee8778aba8bc, 03d7262dd53e8c404da35cc81aaa887fd901f76b, 65d91192aa66f05710cfddf6a14b5a25ee554dba |
| Linux/Linuxgeneric | 3.3 | Not reported |
Published upstream
May 1, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix nested key length validation in the set() action It's not safe to access nla_len(ovs_key) if the data is smaller than the netlink header. Check that the attribute is OK first.
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=ccb1352e76cff0524e7ccb2074826a092dd13016 <54c6957d1123a2032099b9eab51c314800f677ce || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <a27526e6b48eee9e2d82efff502c4f272f1a91d4 || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <1489c195c8eecd262aa6712761ba5288203e28ec || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <824a7c2df5127b2402b68a21a265d413e78dcad7 || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <be80768d4f3b6fd13f421451cc3fee8778aba8bc || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <03d7262dd53e8c404da35cc81aaa887fd901f76b || >=ccb1352e76cff0524e7ccb2074826a092dd13016 <65d91192aa66f05710cfddf6a14b5a25ee554dba | 54c6957d1123a2032099b9eab51c314800f677ce, 7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd, a27526e6b48eee9e2d82efff502c4f272f1a91d4, 1489c195c8eecd262aa6712761ba5288203e28ec, 824a7c2df5127b2402b68a21a265d413e78dcad7, be80768d4f3b6fd13f421451cc3fee8778aba8bc, 03d7262dd53e8c404da35cc81aaa887fd901f76b, 65d91192aa66f05710cfddf6a14b5a25ee554dba |
| Linux/Linuxgeneric | 3.3 | Not reported |
Published upstream
May 1, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix nested key length validation in the set() action It's not safe to access nla_len(ovs_key) if the data is smaller than the netlink header. Check that the attribute is OK first.
Quoted source text, attributed separately from HOL analysis.