CVE-2025-68295Missing Release of Resource after Effective Lifetime in Linux

Severity
7.8HIGHOSV
OSV7.2OSV3.2
No vector
EPSS
0.1%
top 79.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 16
Latest updateApr 13

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix memory leak in cifs_construct_tcon() When having a multiuser mount with domain= specified and using cifscreds, cifs_set_cifscreds() will end up setting @ctx->domainname, so it needs to be freed before leaving cifs_construct_tcon(). This fixes the following memory leak reported by kmemleak: mount.cifs //srv/share /mnt -o domain=ZELDA,multiuser,... su - testuser cifscreds add -d ZELDA -u testuser ... ls /mnt/1

Affected Packages7 packages

Linuxlinux/linux_kernel5.3.05.10.247+5
Debianlinux/linux_kernel< 5.10.247-1+3
Ubuntulinux/linux_kernel< 5.15.0-173.183+2
CVEListV5linux/linuxf2aee329a68f5a907bcff11a109dfe17c0b41aebff8f9bd1c46ee02d5558293915d42e82646d5ee9+12

🔴Vulnerability Details

24
OSV
linux-oem-6.17 vulnerabilities2026-04-06
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-raspi, linux-raspi-realtime vulnerabilities2026-04-01
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-azure, linux-azure-6.17 vulnerabilities2026-03-25

📋Vendor Advisories

27
Ubuntu
Linux kernel (Azure) vulnerabilities2026-04-13
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (OEM) vulnerabilities2026-04-06
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01

🕵️Threat Intelligence

1
Wiz
CVE-2025-68295 Impact, Exploitability, and Mitigation Steps | Wiz