Answer in brief
CVE-2026-63924 records a Unknown severity vulnerability in ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo(). 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-2026-63924 records a Unknown severity vulnerability in ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo(). 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 | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b3ac54e5c905f86d22b502eacb5686a282c5659f || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <645b99b1a185c91a79bdac4c5de0f91b212d64f0 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9e883eaa878f4337b5873c706efb5a192364ed18 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <bddaa4dfc7f36e1ee343a0622f69288af2b9ace9 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <72af7beae774e46ed543f3f2f267bf0a141bfcdd || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <c512e1c819dfbf6ae95ee7a44b65b9ad98979157 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <2b56bbd928c030894c270cd33d60286326919458 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <d47548a36639095939f4747d4c43f2271366f565 | b3ac54e5c905f86d22b502eacb5686a282c5659f, 645b99b1a185c91a79bdac4c5de0f91b212d64f0, 9e883eaa878f4337b5873c706efb5a192364ed18, bddaa4dfc7f36e1ee343a0622f69288af2b9ace9, 72af7beae774e46ed543f3f2f267bf0a141bfcdd, c512e1c819dfbf6ae95ee7a44b65b9ad98979157, 2b56bbd928c030894c270cd33d60286326919458, d47548a36639095939f4747d4c43f2271366f565 |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
Published upstream
Jul 19, 2026
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: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() ipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess things up.
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 | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b3ac54e5c905f86d22b502eacb5686a282c5659f || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <645b99b1a185c91a79bdac4c5de0f91b212d64f0 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9e883eaa878f4337b5873c706efb5a192364ed18 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <bddaa4dfc7f36e1ee343a0622f69288af2b9ace9 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <72af7beae774e46ed543f3f2f267bf0a141bfcdd || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <c512e1c819dfbf6ae95ee7a44b65b9ad98979157 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <2b56bbd928c030894c270cd33d60286326919458 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <d47548a36639095939f4747d4c43f2271366f565 | b3ac54e5c905f86d22b502eacb5686a282c5659f, 645b99b1a185c91a79bdac4c5de0f91b212d64f0, 9e883eaa878f4337b5873c706efb5a192364ed18, bddaa4dfc7f36e1ee343a0622f69288af2b9ace9, 72af7beae774e46ed543f3f2f267bf0a141bfcdd, c512e1c819dfbf6ae95ee7a44b65b9ad98979157, 2b56bbd928c030894c270cd33d60286326919458, d47548a36639095939f4747d4c43f2271366f565 |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
Published upstream
Jul 19, 2026
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: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() ipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess things up.
Quoted source text, attributed separately from HOL analysis.