Answer in brief
CVE-2025-39962 records a Unknown severity vulnerability in rxrpc: Fix untrusted unsigned subtract. 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 | >=9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a <71571e187106631a8127f2dde780f35caa358d33 || >=9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a <2429a197648178cd4dc930a9d87c13c547460564 | 71571e187106631a8127f2dde780f35caa358d33, 2429a197648178cd4dc930a9d87c13c547460564 |
| Linux/Linuxgeneric | 6.16 | Not reported |
Published upstream
Oct 9, 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: rxrpc: Fix untrusted unsigned subtract Fix the following Smatch static checker warning: net/rxrpc/rxgk_app.c:65 rxgk_yfs_decode_ticket() warn: untrusted unsigned subtract. 'ticket_len - 10 * 4' by prechecking the length of what we're trying to extract in two places in the token and decoding for a response packet. Also use sizeof() on the struct we're extracting rather specifying the size numerically to be consistent with the other related statements.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2025-39962 records a Unknown severity vulnerability in rxrpc: Fix untrusted unsigned subtract. 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 | >=9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a <71571e187106631a8127f2dde780f35caa358d33 || >=9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a <2429a197648178cd4dc930a9d87c13c547460564 | 71571e187106631a8127f2dde780f35caa358d33, 2429a197648178cd4dc930a9d87c13c547460564 |
| Linux/Linuxgeneric | 6.16 | Not reported |
Published upstream
Oct 9, 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: rxrpc: Fix untrusted unsigned subtract Fix the following Smatch static checker warning: net/rxrpc/rxgk_app.c:65 rxgk_yfs_decode_ticket() warn: untrusted unsigned subtract. 'ticket_len - 10 * 4' by prechecking the length of what we're trying to extract in two places in the token and decoding for a response packet. Also use sizeof() on the struct we're extracting rather specifying the size numerically to be consistent with the other related statements.
Quoted source text, attributed separately from HOL analysis.