CVE-2023-4459

Kernel: vmxnet3: null pointer dereference in vmxnet3_rq_cleanup()

State: Published
Severity: 5.5 Medium
Published: Aug 21, 2023
Updated: Oct 8, 2026
Reserved: Aug 21, 2023

Description

A NULL pointer dereference flaw was found in vmxnet3_rq_cleanup in drivers/net/vmxnet3/vmxnet3_drv.c in the networking sub-component in vmxnet3 in the Linux Kernel. This issue may allow a local attacker with normal user privilege to cause a denial of service due to a missing sanity check during cleanup.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	redhat

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat	0:4.18.0-193.133.1.el8_2 and laterNot affected
Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRed Hat	0:4.18.0-193.133.1.rt13.184.el8_2 and laterNot affected
Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRed Hat	0:4.18.0-193.133.1.el8_2 and laterNot affected
Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRed Hat	0:4.18.0-193.133.1.el8_2 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat	0:4.18.0-305.125.1.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat	0:4.18.0-305.125.1.rt7.201.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat	0:4.18.0-305.125.1.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat	0:4.18.0-305.125.1.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat	0:4.18.0-372.87.1.el8_6 and laterNot affected
Red Hat Enterprise Linux 9.0 Extended Update SupportRed Hat	0:5.14.0-70.93.2.el9_0 and laterNot affected
Red Hat Enterprise Linux 9.0 Extended Update SupportRed Hat	0:5.14.0-70.93.1.rt21.165.el9_0 and laterNot affected
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Red Hat	0:4.18.0-372.87.1.el8_6 and laterNot affected
Red Hat Enterprise Linux 6Red Hat
Red Hat Enterprise Linux 7Red Hat
Red Hat Enterprise Linux 7Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 9Red Hat
Red Hat Enterprise Linux 9Red Hat

References

RHSA-2024:0412vendor-advisory
RHSA-2024:1250vendor-advisory
RHSA-2024:1306vendor-advisory
RHSA-2024:1367vendor-advisory
RHSA-2024:1382vendor-advisory
RHSA-2024:2006vendor-advisory
RHSA-2024:2008vendor-advisory
https://access.redhat.com/security/cve/CVE-2023-4459vdb-entry
RHBZ#2219268issue-tracking
https://github.com/torvalds/linux/commit/edf410cb74dc612fd47ef5be319c5a0bcd6e6ccd

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