CVE-2023-52997

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux6cf9dfd3bd62edfff69f11c0f111bc261166e4c7 < ef050cf5fb70d995a0d03244e25179b7c66a924aaffected
LinuxLinux6cf9dfd3bd62edfff69f11c0f111bc261166e4c7 < 746db9ec1e672eee13965625ddac0d97e16fa20caffected
LinuxLinux6cf9dfd3bd62edfff69f11c0f111bc261166e4c7 < 34c6142f0df9cd75cba5a7aa9df0960d2854b415affected
LinuxLinux6cf9dfd3bd62edfff69f11c0f111bc261166e4c7 < d50e7348b44f1e046121ff5be01b7fb6978a1149affected
LinuxLinux6cf9dfd3bd62edfff69f11c0f111bc261166e4c7 < 6850fe301d015a7d2012d1de8caf43dafb7cc2f6affected
LinuxLinux6cf9dfd3bd62edfff69f11c0f111bc261166e4c7 < 1d1d63b612801b3f0a39b7d4467cad0abd60e5c8affected
LinuxLinux4.3affected
LinuxLinux0 < 4.3unaffected
LinuxLinux4.19.272 <= 4.19.*unaffected
LinuxLinux5.4.231 <= 5.4.*unaffected
LinuxLinux5.10.166 <= 5.10.*unaffected
LinuxLinux5.15.91 <= 5.15.*unaffected
LinuxLinux6.1.9 <= 6.1.*unaffected
LinuxLinux6.2 <= *unaffected

Weaknesses

References