Information disclosure in Linux kernel - CVE-2024-27066

Vulnerability identifier: #VU91354

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-27066

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information disclosure within the virtqueue_add_indirect_packed(), virtqueue_add_packed() and detach_buf_packed() functions in drivers/virtio/virtio_ring.c. A local user can gain access to sensitive information.

Linux kernel
Ubuntu
linux-image-kvm (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-6.8.0-35-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-35-lowlatency (Ubuntu package)
linux-image-6.8.0-35-generic-64k (Ubuntu package)
linux-image-6.8.0-35-generic (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-6.8.0-1004-gke (Ubuntu package)
linux-image-6.8.0-1005-raspi (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-6.8.0-1006-oracle (Ubuntu package)
linux-image-6.8.0-1006-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-6.8.0-1006-oem (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-6.8.0-1006-ibm (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-6.8.0-1008-azure (Ubuntu package)
linux-image-6.8.0-1008-azure-fde (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-azure-fde (Ubuntu package)

Install update from vendor's website.

Linux kernel - addressed in versions 6.6.23, 6.7.11, 6.8.2
linux-image-kvm (Ubuntu package) - update to 6.8.0-35.35
linux-image-virtual (Ubuntu package) - update to 6.8.0-35.35
linux-image-virtual-hwe-24.04 (Ubuntu package) - update to 6.8.0-35.35
linux-image-generic-lpae (Ubuntu package) - update to 6.8.0-35.35
linux-image-generic (Ubuntu package) - update to 6.8.0-35.35
linux-image-generic-64k (Ubuntu package) - update to 6.8.0-35.35
linux-image-generic-64k-hwe-24.04 (Ubuntu package) - update to 6.8.0-35.35
linux-image-generic-hwe-24.04 (Ubuntu package) - update to 6.8.0-35.35
linux-image-lowlatency-64k (Ubuntu package) - update to 6.8.0-35.35.1
linux-image-lowlatency (Ubuntu package) - update to 6.8.0-35.35.1
linux-image-6.8.0-35-lowlatency-64k (Ubuntu package) - update to 6.8.0-35.35.1
linux-image-6.8.0-35-lowlatency (Ubuntu package) - update to 6.8.0-35.35.1
linux-image-6.8.0-35-generic-64k (Ubuntu package) - update to 6.8.0-35.35+1
linux-image-6.8.0-35-generic (Ubuntu package) - update to 6.8.0-35.35+1
linux-image-gke (Ubuntu package) - update to 6.8.0-1004.7
linux-image-6.8.0-1004-gke (Ubuntu package) - update to 6.8.0-1004.7
linux-image-6.8.0-1005-raspi (Ubuntu package) - update to 6.8.0-1005.5
linux-image-raspi (Ubuntu package) - update to 6.8.0-1005.5
linux-image-6.8.0-1006-oracle (Ubuntu package) - update to 6.8.0-1006.6
linux-image-6.8.0-1006-oracle-64k (Ubuntu package) - update to 6.8.0-1006.6
linux-image-oracle (Ubuntu package) - update to 6.8.0-1006.6
linux-image-oracle-64k (Ubuntu package) - update to 6.8.0-1006.6
linux-image-6.8.0-1006-oem (Ubuntu package) - update to 6.8.0-1006.6
linux-image-ibm-lts-24.04 (Ubuntu package) - update to 6.8.0-1006.6
linux-image-ibm-classic (Ubuntu package) - update to 6.8.0-1006.6
linux-image-ibm (Ubuntu package) - update to 6.8.0-1006.6
linux-image-6.8.0-1006-ibm (Ubuntu package) - update to 6.8.0-1006.6
linux-image-oem-24.04a (Ubuntu package) - update to 6.8.0-1006.6+1
linux-image-oem-24.04 (Ubuntu package) - update to 6.8.0-1006.6+1
linux-image-6.8.0-1008-azure (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-azure-fde (Ubuntu package) - update to 6.8.0-1008.8
linux-image-azure (Ubuntu package) - update to 6.8.0-1008.8
linux-image-azure-fde (Ubuntu package) - update to 6.8.0-1008.8

• https://git.kernel.org/stable/c/e142169aca5546ae6619c39a575cda8105362100
• https://git.kernel.org/stable/c/75450ff8c6fe8755bf5b139b238eaf9739cfd64e
• https://git.kernel.org/stable/c/51bacd9d29bf98c3ebc65e4a0477bb86306b4140
• https://git.kernel.org/stable/c/d5c0ed17fea60cca9bc3bf1278b49ba79242bbcd
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2

• Information disclosure in Linux kernel virtio driver
• Ubuntu update for linux
• Ubuntu update for linux-oem-6.8
• Ubuntu update for linux-azure
• Ubuntu update for linux-oracle