Use-after-free in Linux kernel - CVE-2024-46781
Published: September 18, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU97495
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-46781
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nilfs_finish_roll_forward() and nilfs_salvage_orphan_logs() functions in fs/nilfs2/recovery.c. A local user can escalate privileges on the system.
How to mitigate CVE-2024-46781
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/35a9a7a7d94662146396199b0cfd95f9517cdd14
- https://git.kernel.org/stable/c/da02f9eb333333b2e4f25d2a14967cff785ac82e
- https://git.kernel.org/stable/c/07e4dc2fe000ab008bcfe90be4324ef56b5b4355
- https://git.kernel.org/stable/c/8e2d1e9d93c4ec51354229361ac3373058529ec4
- https://git.kernel.org/stable/c/ca92c4bff2833cb30d493b935168d6cccd5c805d
- https://git.kernel.org/stable/c/9d8c3a585d564d776ee60d4aabec59b404be7403
- https://git.kernel.org/stable/c/1cf1f7e8cd47244fa947d357ef1f642d91e219a3
- https://git.kernel.org/stable/c/5787fcaab9eb5930f5378d6a1dd03d916d146622
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.322
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.284
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51