CVE-2021-47149 — net: fujitsu: fix potential null-ptr-deref

Affected: Linux

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

net: fujitsu: fix potential null-ptr-deref

In fmvj18x_get_hwinfo(), if ioremap fails there will be NULL pointer deref. To fix this, check the return value of ioremap and return -1 to the caller in case of failure.

USN-7797-1 — linux, linux-kvm vulnerabilities

Affected: Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-kvm

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Virtio block driver; - Media drivers; - Network drivers; - Framebuffer layer; - BTRFS file system; - Ext4 file system; - Network file system (NFS) server daemon; - Packet sockets; - VMware vSockets driver; (CVE-2025-38618, CVE-2024-35849, CVE-2025-37785, CVE-2024-49924, CVE-2025-38617, CVE-2024-27078, CVE-2021-47149, CVE-2021-47319, CVE-2025-21796, CVE-2021-47589)

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CVE-2021-47149 — net: fujitsu: fix potential null-ptr-deref

USN-7797-1 — linux, linux-kvm vulnerabilities