Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()
if (!type) continue; if (type > RTAX_MAX) return -EINVAL; … metrics[type - 1] = val;
@type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , Oracle Linux 7 ELS , TuxCare 9.6 ESU , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS
- Affected packages:
- kernel @ 5.14.0-11 (+10 more)
In the Linux kernel, the following vulnerability has been resolved:
ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()
if (!type) continue; if (type > RTAX_MAX) return -EINVAL; … metrics[type - 1] = val;
@type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.