Answer in brief
CVE-2025-40074 records a Unknown severity vulnerability in ipv4: start using dst_dev_rcu(). 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 | >=4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 <923e0734c386984d45de508528a7a7ad91d791cc || >=4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 <6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8 | 923e0734c386984d45de508528a7a7ad91d791cc, 6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8 |
| Linux/Linuxgeneric | 4.13 | Not reported |
Published upstream
Oct 28, 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: ipv4: start using dst_dev_rcu() Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF. Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu().
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2025-40074 records a Unknown severity vulnerability in ipv4: start using dst_dev_rcu(). 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 | >=4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 <923e0734c386984d45de508528a7a7ad91d791cc || >=4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 <6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8 | 923e0734c386984d45de508528a7a7ad91d791cc, 6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8 |
| Linux/Linuxgeneric | 4.13 | Not reported |
Published upstream
Oct 28, 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: ipv4: start using dst_dev_rcu() Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF. Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu().
Quoted source text, attributed separately from HOL analysis.