CVE-2025-38588 Affecting ocfs2-kmp-default package, versions <6.4.0-150600.23.70.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (9th percentile)

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  • Snyk IDSNYK-SLES156-OCFS2KMPDEFAULT-13026062
  • published24 Sept 2025
  • disclosed23 Sept 2025

Introduced: 23 Sep 2025

NewCVE-2025-38588  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 ocfs2-kmp-default to version 6.4.0-150600.23.70.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ocfs2-kmp-default package and not the ocfs2-kmp-default package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

ipv6: prevent infinite loop in rt6_nlmsg_size()

While testing prior patch, I was able to trigger an infinite loop in rt6_nlmsg_size() in the following place:

list_for_each_entry_rcu(sibling, &f6i->fib6_siblings, fib6_siblings) { rt6_nh_nlmsg_size(sibling->fib6_nh, &nexthop_len); }

This is because fib6_del_route() and fib6_add_rt2node() uses list_del_rcu(), which can confuse rcu readers, because they might no longer see the head of the list.

Restart the loop if f6i->fib6_nsiblings is zero.

CVSS Base Scores

version 3.1