Medium severity · published Aug 21, 2023
CVE-2023-4459
Kernel: vmxnet3: null pointer dereference in vmxnet3_rq_cleanup()
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 5.18 · source: NVD
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.2 Advanced Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.2 Telecommunications Update Service · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.4 Telecommunications Update Service · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.6 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4459
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4459
vendor-advisory
https://access.redhat.com/errata/RHSA-2024:0412
vendor-advisory
https://access.redhat.com/errata/RHSA-2024:1250
vendor-advisory
https://access.redhat.com/errata/RHSA-2024:1306
vendor-advisory
https://access.redhat.com/errata/RHSA-2024:1367
vendor-advisory
https://access.redhat.com/errata/RHSA-2024:1382
vendor-advisory
https://access.redhat.com/errata/RHSA-2024:2006
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