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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2025-38587

ipv6: fix possible infinite loop in fib6_info_uses_dev()CVE-2025-38587

Answer in brief

CVE-2025-38587 records a Unknown severity vulnerability in ipv6: fix possible infinite loop in fib6_info_uses_dev(). 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.

Published Aug 19, 2025Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 5, 2026
References
7 linked sources
Open source record

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

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.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=d0ec61c9f3583b76aebdbb271f5c0d3fcccd48b2 <bc85e62394f008fa848c4ba02c936c735a3e8ef5 || >=52da02521ede55fb86546c3fffd9377b3261b91f <9cb6de8ee144a94ae7a40bdb32560329ab7276f0 || >=34a949e7a0869dfa31a40416d2a56973fae1807b <db65739d406c72776fbdbbc334be827ef05880d2 || >=d9ccb18f83ea2bb654289b6ecf014fd267cc988b <16d21816c0918f8058b5fc14cbe8595d62046e2d || >=d9ccb18f83ea2bb654289b6ecf014fd267cc988b <e09be457b71b983a085312ff9e981f51e4ed3211 || >=d9ccb18f83ea2bb654289b6ecf014fd267cc988b <f8d8ce1b515a0a6af72b30502670a406cfb75073 || 11edcd026012ac18acee0f1514db3ed1b160fc6f || >=6.1.128 <6.1.148 || >=6.6.75 <6.6.102 || >=6.12.2 <6.12.42 || >=6.11.11 <6.12bc85e62394f008fa848c4ba02c936c735a3e8ef5, 9cb6de8ee144a94ae7a40bdb32560329ab7276f0, db65739d406c72776fbdbbc334be827ef05880d2, 16d21816c0918f8058b5fc14cbe8595d62046e2d, e09be457b71b983a085312ff9e981f51e4ed3211, f8d8ce1b515a0a6af72b30502670a406cfb75073, 6.1.148, 6.6.102, 6.12.42, 6.12
Linux/Linuxgeneric6.13Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to bc85e62394f008fa848c4ba02c936c735a3e8ef5 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 19, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in fib6_info_uses_dev() fib6_info_uses_dev() seems to rely on RCU without an explicit protection. Like the prior fix in rt6_nlmsg_size(), we need to make sure fib6_del_route() or fib6_add_rt2node() have not removed the anchor from the list, or we risk an infinite loop.

Quoted source text, attributed separately from HOL analysis.