CVE-2024-27395

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

14/05/2024

Last modified:

14/01/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Fix Use-After-Free in ovs_ct_exit Since kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal of ovs_ct_limit_exit, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	4.18 (including)	4.19.313 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.275 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.216 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.158 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.90 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.30 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.8.9 (excluding)
cpe:2.3:o:linux:linux_kernel:6.9:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.9:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.9:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.9:rc4::::::
cpe:2.3:o:linux:linux_kernel:6.9:rc5::::::
cpe:2.3:o:debian:debian_linux:10.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2024-27395

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools