Use-after-free in Linux kernel - CVE-2024-49960
Published: October 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98877
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-2024-49960
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 flush_work() function in fs/ext4/super.c. A local user can escalate privileges on the system.
How to mitigate CVE-2024-49960
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/9203817ba46ebba7c865c8de2aba399537b6e891
- https://git.kernel.org/stable/c/fa78fb51d396f4f2f80f8e96a3b1516f394258be
- https://git.kernel.org/stable/c/b85569585d0154d4db1e4f9e3e6a4731d407feb0
- https://git.kernel.org/stable/c/0ce160c5bdb67081a62293028dc85758a8efb22a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.237
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.181
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.118
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55