Answer in brief
CVE-2026-46098 records a Medium severity (CVSS 5.5) vulnerability in net: caif: clear client service pointer on teardown. 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-2026-46098 records a Medium severity (CVSS 5.5) vulnerability in net: caif: clear client service pointer on teardown. 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.
CVSS is 5.5. 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 | >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <cffca7a18b8f9de7c3d3013a1f5740c412b2a501 || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <7ef97d4675b05a103648bd9244d91dff7d8c08b0 || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <e16859f3f4426fa349bc5519d582a93d28f5a15d || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <914c6456fcfc21a3d553945dff62fd1621d6155d || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <3ac6db584d9d420267bb8413115707eeec76d9cf || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <63d21a3aa0108b9dde4e99b0d3d5d679ac68c0f9 || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <a4b191ddc12c55ddb62feb096536f819f384d6f1 || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <f7cf8ece8cee3c1ee361991470cdb1eb65ab02e8 | cffca7a18b8f9de7c3d3013a1f5740c412b2a501, 7ef97d4675b05a103648bd9244d91dff7d8c08b0, e16859f3f4426fa349bc5519d582a93d28f5a15d, 914c6456fcfc21a3d553945dff62fd1621d6155d, 3ac6db584d9d420267bb8413115707eeec76d9cf, 63d21a3aa0108b9dde4e99b0d3d5d679ac68c0f9, a4b191ddc12c55ddb62feb096536f819f384d6f1, f7cf8ece8cee3c1ee361991470cdb1eb65ab02e8 |
| Linux/Linuxgeneric | 3.0 | Not reported |
Published upstream
May 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
In the Linux kernel, the following vulnerability has been resolved: net: caif: clear client service pointer on teardown `caif_connect()` can tear down an existing client after remote shutdown by calling `caif_disconnect_client()` followed by `caif_free_client()`. `caif_free_client()` releases the service layer referenced by `adap_layer->dn`, but leaves that pointer stale. When the socket is later destroyed, `caif_sock_destructor()` calls `caif_free_client()` again and dereferences the freed service pointer. Clear the client/service links before releasing the service object so repeated teardown becomes harmless.
Quoted source text, attributed separately from HOL analysis.
CVSS is 5.5. 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 | >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <cffca7a18b8f9de7c3d3013a1f5740c412b2a501 || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <7ef97d4675b05a103648bd9244d91dff7d8c08b0 || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <e16859f3f4426fa349bc5519d582a93d28f5a15d || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <914c6456fcfc21a3d553945dff62fd1621d6155d || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <3ac6db584d9d420267bb8413115707eeec76d9cf || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <63d21a3aa0108b9dde4e99b0d3d5d679ac68c0f9 || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <a4b191ddc12c55ddb62feb096536f819f384d6f1 || >=43e3692101086add8719c3b8b50b05c9ac5b14e1 <f7cf8ece8cee3c1ee361991470cdb1eb65ab02e8 | cffca7a18b8f9de7c3d3013a1f5740c412b2a501, 7ef97d4675b05a103648bd9244d91dff7d8c08b0, e16859f3f4426fa349bc5519d582a93d28f5a15d, 914c6456fcfc21a3d553945dff62fd1621d6155d, 3ac6db584d9d420267bb8413115707eeec76d9cf, 63d21a3aa0108b9dde4e99b0d3d5d679ac68c0f9, a4b191ddc12c55ddb62feb096536f819f384d6f1, f7cf8ece8cee3c1ee361991470cdb1eb65ab02e8 |
| Linux/Linuxgeneric | 3.0 | Not reported |
Published upstream
May 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
In the Linux kernel, the following vulnerability has been resolved: net: caif: clear client service pointer on teardown `caif_connect()` can tear down an existing client after remote shutdown by calling `caif_disconnect_client()` followed by `caif_free_client()`. `caif_free_client()` releases the service layer referenced by `adap_layer->dn`, but leaves that pointer stale. When the socket is later destroyed, `caif_sock_destructor()` calls `caif_free_client()` again and dereferences the freed service pointer. Clear the client/service links before releasing the service object so repeated teardown becomes harmless.
Quoted source text, attributed separately from HOL analysis.