Memory leak in Linux kernel - CVE-2026-72087
Published: August 16, 2026
Vulnerability identifier: #VU143507
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-72087
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in lpfc_sli4_driver_resource_setup() in the lpfc driver when handling early exit error paths during driver resource setup. A local user can trigger the affected error paths to cause a denial of service.
Affected software
Linux kernel
Ubuntu
linux-gcp-7.0 (Ubuntu package)
linux-azure-7.0 (Ubuntu package)
Ubuntu
linux-gcp-7.0 (Ubuntu package)
linux-azure-7.0 (Ubuntu package)
How to mitigate CVE-2026-72087
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
linux-gcp-7.0 (Ubuntu package) - addressed in versions 7.0.0-38.38~24.04.4, 7.0.0-1013.13~24.04.1, 7.0.0-1014.14~24.04.1
linux-azure-7.0 (Ubuntu package) - addressed in versions 7.0.0-1016.16~24.04.1, 7.0.0-1017.17~24.04.1
linux-gcp-7.0 (Ubuntu package) - addressed in versions 7.0.0-38.38~24.04.4, 7.0.0-1013.13~24.04.1, 7.0.0-1014.14~24.04.1
linux-azure-7.0 (Ubuntu package) - addressed in versions 7.0.0-1016.16~24.04.1, 7.0.0-1017.17~24.04.1
External References
- https://git.kernel.org/stable/c/0ce5a37f7ddf2fc12210e8700350274da79fbb3a
- https://git.kernel.org/stable/c/1bd28625e25be549ee7c47532e7c3ef91c682410
- https://git.kernel.org/stable/c/25cac8a302626f59ca84fa3339e2506c3ac761bc
- https://git.kernel.org/stable/c/299f5baa1321a0951cc3ebbacc72b67433a65391
- https://git.kernel.org/stable/c/c3f4e407661542d1d284fc889cf9f27afd11b3d3
- https://git.kernel.org/stable/c/ed08497977820e002a62cb114440f365cc7a087f