Integer overflow in Linux kernel - CVE-2024-50018
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99091
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-2024-50018
CWE-ID: CWE-190
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 execute arbitrary code.
The vulnerability exists due to integer overflow within the NETDEVICE_SHOW_RW() and napi_defer_hard_irqs_store() functions in net/core/net-sysfs.c, within the netif_elide_gro() function in Documentation/networking/net_cachelines/net_device.rst. A local user can execute arbitrary code.
How to mitigate CVE-2024-50018
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/d694ad8b7e5004df86ecd415cb2320d543723672
- https://git.kernel.org/stable/c/5e753b743d3b38a3e10be666c32c5434423d0093
- https://git.kernel.org/stable/c/08062af0a52107a243f7608fd972edb54ca5b7f8
- 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