SB20241022203 - Integer overflow in Linux kernel networking net_cachelines
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022203
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) Integer overflow (CVE-ID: CVE-2024-50018)
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.
Remediation
Install update from vendor's website.
References
- 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