CVE-2024-56654 Affecting kernel-obs-build package, versions <6.4.0-150600.23.38.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES156-KERNELOBSBUILD-8725393
  • published14 Feb 2025
  • disclosed13 Feb 2025

Introduced: 13 Feb 2025

NewCVE-2024-56654  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 kernel-obs-build to version 6.4.0-150600.23.38.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-obs-build package and not the kernel-obs-build 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:

Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating

The usage of rcu_read_(un)lock while inside list_for_each_entry_rcu is not safe since for the most part entries fetched this way shall be treated as rcu_dereference:

Note that the value returned by rcu_dereference() is valid
only within the enclosing RCU read-side critical section [1]_.
For example, the following is **not** legal::

rcu_read_lock();
p = rcu_dereference(head.next);
rcu_read_unlock();
x = p-&amp;gt;address;	/* BUG!!! */
rcu_read_lock();
y = p-&amp;gt;data;	/* BUG!!! */
rcu_read_unlock();

CVSS Scores

version 3.1