Vulnerability Details : CVE-2023-4459
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2023-4459
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-4459
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-4459
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
Red Hat, Inc. | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
Red Hat, Inc. |
CWE ids for CVE-2023-4459
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The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-4459
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https://bugzilla.redhat.com/show_bug.cgi?id=2219268
2219268 – (CVE-2023-4459) CVE-2023-4459 kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup()Issue Tracking;Patch
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https://access.redhat.com/errata/RHSA-2024:1250
RHSA-2024:1250 - Security Advisory - Red Hat Customer Portal
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https://github.com/torvalds/linux/commit/edf410cb74dc612fd47ef5be319c5a0bcd6e6ccd
net: vmxnet3: fix possible NULL pointer dereference in vmxnet3_rq_cle… · torvalds/linux@edf410c · GitHubPatch
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https://access.redhat.com/security/cve/CVE-2023-4459
CVE-2023-4459- Red Hat Customer PortalThird Party Advisory
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https://access.redhat.com/errata/RHSA-2024:2006
RHSA-2024:2006 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1367
RHSA-2024:1367 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:0412
RHSA-2024:0412 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1306
RHSA-2024:1306 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1382
RHSA-2024:1382 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:2008
RHSA-2024:2008 - Security Advisory - Red Hat Customer Portal
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