Search/CVE-2026-45972
● CVE — Critical

CVE-2026-45972

VendorlinuxProductlinux kernelDiscoveredMay 27, 2026UpdatedJul 15, 2026

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2_open_file() Zero out @err_iov and @err_buftype before retrying SMB2_open() to prevent an UAF bug if @data != NULL, otherwise a double free.

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CVSS v3.1
9.8 CRITICAL
EPSS
0.33%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
11
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
● 0.00pp
0.33% → 0.33% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
13 relationships
Timeline
disclosure → media coverage
May 27, 2026
Disclosure — published as a CVE record. · last revised by NVD Jul 15, 2026
Jul 1, 2026
ubuntu.com reports: USN-8492-1: Linux kernel vulnerabilities
Jul 2, 2026
ubuntu.com reports: USN-8492-2: Linux kernel vulnerabilities
Jul 2, 2026
ubuntu.com reports: USN-8497-1: Linux kernel (Low Latency) vulnerabilities
Jul 2, 2026
ubuntu.com reports: USN-8498-1: Linux kernel (NVIDIA Tegra) vulnerabilities
Jul 6, 2026
ubuntu.com reports: USN-8492-3: Linux kernel (Raspberry Pi Real-time) vulnerabilities
Jul 9, 2026
ubuntu.com reports: USN-8492-4: Linux kernel (Raspberry Pi) vulnerabilities
Jul 10, 2026
ubuntu.com reports: USN-8492-5: Linux kernel (FIPS) 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-8609-1: Linux kernel (Azure CVM) vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8619-1: Linux kernel (HWE) vulnerabilities