Search/CVE-2026-46189
● CVE — High

CVE-2026-46189

VendorlinuxProductlinux kernelDiscoveredMay 28, 2026UpdatedSep 9, 2026

In the Linux kernel, the following vulnerability has been resolved: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path Sashiko points out that pvrdma_uar_free() is already called within pvrdma_dealloc_ucontext(), so calling it before triggers a double free.

CVSS v3.1
7.8 HIGH
EPSS
0.14%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
38
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 2, 2026
● 0.00pp
0.14% → 0.14% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
41 relationships
Timeline
disclosure → media coverage
May 28, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 9, 2026
Jul 20, 2026
ubuntu.com reports: USN-8566-1: Linux kernel vulnerabilities
Jul 20, 2026
ubuntu.com reports: USN-8567-1: Linux kernel vulnerabilities
Jul 20, 2026
ubuntu.com reports: USN-8568-1: Linux kernel (OEM) vulnerabilities
Jul 20, 2026
ubuntu.com reports: USN-8569-1: Linux kernel (HWE) vulnerabilities
Jul 21, 2026
ubuntu.com reports: USN-8574-1: Linux kernel (GCP FIPS) vulnerabilities
Jul 21, 2026
ubuntu.com reports: USN-8575-1: Linux kernel vulnerabilities
Jul 21, 2026
ubuntu.com reports: USN-8576-1: Linux kernel (NVIDIA Tegra) vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8593-1: Linux kernel vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8574-2: Linux kernel vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8595-1: Linux kernel (Oracle) vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8596-1: Linux kernel (NVIDIA) vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8575-2: Linux kernel vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8576-2: Linux kernel (NVIDIA Tegra) vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8597-1: Linux kernel (IBM) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8603-1: Linux kernel (Azure) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8595-2: Linux kernel (AWS) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8606-1: Linux kernel (Azure) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8607-1: Linux kernel (Azure CVM) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8608-1: Linux kernel (Azure FIPS) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8609-1: Linux kernel (Azure CVM) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8575-3: Linux kernel vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8610-1: Linux kernel (Azure CVM) vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8618-1: Linux kernel vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8574-3: Linux kernel vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8595-3: Linux kernel (AWS) vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8619-1: Linux kernel (HWE) vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8620-1: Linux kernel vulnerabilities
Jul 29, 2026
ubuntu.com reports: USN-8620-2: Linux kernel (Azure FIPS) vulnerabilities
Jul 31, 2026
ubuntu.com reports: USN-8620-3: Linux kernel (Intel IoTG) vulnerabilities
Jul 31, 2026
ubuntu.com reports: USN-8620-4: Linux kernel (Intel IoTG) vulnerabilities
Aug 20, 2026
ubuntu.com reports: USN-8663-1: Linux kernel (NVIDIA) vulnerabilities
Aug 20, 2026
ubuntu.com reports: USN-8664-1: Linux kernel (NVIDIA BaseOS) vulnerabilities
Aug 20, 2026
ubuntu.com reports: USN-8665-1: Linux kernel (Raspberry Pi) vulnerabilities
Aug 21, 2026
ubuntu.com reports: USN-8668-1: Linux kernel (GCP) vulnerabilities
Sep 7, 2026
ubuntu.com reports: USN-8728-1: Linux kernel (GCP) vulnerabilities
Sep 21, 2026
ubuntu.com reports: USN-8668-2: Linux kernel (Raspberry Pi) vulnerabilities
Sep 22, 2026
ubuntu.com reports: USN-8728-2: Linux kernel (Azure) vulnerabilities
Sep 29, 2026
ubuntu.com reports: USN-8728-3: Linux kernel (Oracle) vulnerabilities