vulnerability

Ubuntu: (Multiple Advisories) (CVE-2025-38456): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Jul 25, 2025
Added
Jul 31, 2025
Modified
Feb 13, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

ipmi:msghandler: Fix potential memory corruption in ipmi_create_user()

The "intf" list iterator is an invalid pointer if the correct
"intf->intf_num" is not found. Calling atomic_dec(&intf->nr_users) on
and invalid pointer will lead to memory corruption.

We don't really need to call atomic_dec() if we haven't called
atomic_add_return() so update the if (intf->in_shutdown) path as well.

Solutions

ubuntu-upgrade-linux-image-6-14-0-1016-oemubuntu-upgrade-linux-image-6-14-0-1016-realtimeubuntu-upgrade-linux-image-6-14-0-1017-awsubuntu-upgrade-linux-image-6-14-0-1017-aws-64kubuntu-upgrade-linux-image-6-14-0-1017-azureubuntu-upgrade-linux-image-6-14-0-1017-oracleubuntu-upgrade-linux-image-6-14-0-1017-oracle-64kubuntu-upgrade-linux-image-6-14-0-1018-raspiubuntu-upgrade-linux-image-6-14-0-1020-gcpubuntu-upgrade-linux-image-6-14-0-1020-gcp-64kubuntu-upgrade-linux-image-6-14-0-36-genericubuntu-upgrade-linux-image-6-14-0-36-generic-64kubuntu-upgrade-linux-image-6-8-0-100-genericubuntu-upgrade-linux-image-6-8-0-100-generic-64kubuntu-upgrade-linux-image-6-8-0-1047-gcpubuntu-upgrade-linux-image-6-8-0-1047-gcp-64kubuntu-upgrade-linux-image-6-8-0-1047-raspiubuntu-upgrade-linux-image-6-8-1-1041-realtimeubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-6-14ubuntu-upgrade-linux-image-aws-64kubuntu-upgrade-linux-image-aws-64k-6-14ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-6-14ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-6-14ubuntu-upgrade-linux-image-gcp-6-8ubuntu-upgrade-linux-image-gcp-64kubuntu-upgrade-linux-image-gcp-64k-6-14ubuntu-upgrade-linux-image-gcp-64k-6-8ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-6-14ubuntu-upgrade-linux-image-generic-6-8ubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-6-14ubuntu-upgrade-linux-image-generic-64k-6-8ubuntu-upgrade-linux-image-generic-64k-hwe-24-04ubuntu-upgrade-linux-image-generic-hwe-24-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-intel-iotgubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-oem-24-04ubuntu-upgrade-linux-image-oem-24-04aubuntu-upgrade-linux-image-oem-6-14ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-6-14ubuntu-upgrade-linux-image-oracle-64kubuntu-upgrade-linux-image-oracle-64k-6-14ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-6-14ubuntu-upgrade-linux-image-raspi-6-8ubuntu-upgrade-linux-image-realtimeubuntu-upgrade-linux-image-realtime-6-14ubuntu-upgrade-linux-image-realtime-6-8-1ubuntu-upgrade-linux-image-realtime-hwe-22-04ubuntu-upgrade-linux-image-realtime-hwe-24-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-6-14ubuntu-upgrade-linux-image-virtual-6-8ubuntu-upgrade-linux-image-virtual-hwe-24-04

References

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