CVE-2023-4459Kernel: vmxnet3: null pointer dereference in vmxnet3_rq_cleanup()
Updated under an hour ago ()
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It affects Red Hat Enterprise Linux 8.2 Advanced Update Support and 6 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support redhat:rhel_e4s | from 0:4.18.0-193.133.1.el8_2 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support redhat:rhel_aus | from 0:4.18.0-193.133.1.el8_2 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support redhat:rhel_tus | from 0:4.18.0-193.133.1.el8_2 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support redhat:rhel_eus | from 0:4.18.0-372.87.1.el8_6 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support redhat:rhev_hypervisor | from 0:4.18.0-372.87.1.el8_6 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 6 redhat:enterprise_linux | 6 | CNA record |
linux linux_kernel linux:linux_kernel | before 5.18 | NVD |
redhat enterprise_linux redhat:enterprise_linux | 8.0; 9.0 | NVD |
References
- https://access.redhat.com/errata/RHSA-2024:0412vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2024:1250vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2024:1306vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2024:1367vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2024:1382vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2024:2006vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2024:2008vendor-advisory, x-refsource-redhat
- https://access.redhat.com/security/cve/CVE-2023-4459vdb-entry, x-refsource-redhat
- https://bugzilla.redhat.com/show_bug.cgi?id=2219268issue-tracking, x-refsource-redhat
- https://github.com/torvalds/linux/commit/edf410cb74dc612fd47ef5be319c5a0bcd6e6ccd
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.