SB2024102194 - Use-after-free in Linux kernel vhost driver
Published: October 21, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102194
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-47748)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the vhost_vdpa_setup_vq_irq(), vhost_vdpa_vring_ioctl() and vhost_vdpa_open() functions in drivers/vhost/vdpa.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0c170b1e918b9afac25e2bbd01eaa2bfc0ece8c0
- https://git.kernel.org/stable/c/927a2580208e0f9b0b47b08f1c802b7233a7ba3c
- https://git.kernel.org/stable/c/ec5f1b54ceb23475049ada6e7a43452cf4df88d1
- https://git.kernel.org/stable/c/ca64edd7ae93402af2596a952e0d94d545e2b9c0
- https://git.kernel.org/stable/c/fae9b1776f53aab93ab345bdbf653b991aed717d
- https://git.kernel.org/stable/c/7cf2fb51175cafe01df8c43fa15a06194a59c6e2
- https://git.kernel.org/stable/c/02e9e9366fefe461719da5d173385b6685f70319
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54