CVE-2023-52997

ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()

MEDIUM

5.5

CVSS Score

Published: March 27, 2025 at 04:43 PM UTC

Updated: June 17, 2026 at 06:44 AM UTC

1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.20 ≤ v < 5.4.2314.3 ≤ v < 4.19.2724.3 ≤ v < 5.10.1664.3 ≤ v < 5.15.914.3 ≤ v < 5.4.2314.3 ≤ v < 6.1.94.3 ≤ v < 6.25.11 ≤ v < 5.15.915.16 ≤ v < 6.1.95.5 ≤ v < 5.10.1664.3 6.2 rc1 6.2 rc2 6.2 rc3 6.2 rc4 6.2 rc56cf9dfd3bd62edfff69f11c0f111bc261166e4c7

Vendor states this is fixed in 1d1d63b612801b3f0a39b7d4467cad0abd60e5c8 (fixed)

Vendor states this is fixed in 34c6142f0df9cd75cba5a7aa9df0960d2854b415 (fixed)

Vendor states this is fixed in 6850fe301d015a7d2012d1de8caf43dafb7cc2f6 (fixed)

Vendor states this is fixed in 746db9ec1e672eee13965625ddac0d97e16fa20c (fixed)

Vendor states this is fixed in d50e7348b44f1e046121ff5be01b7fb6978a1149 (fixed)

Vendor states this is fixed in ef050cf5fb70d995a0d03244e25179b7c66a924a (fixed)

Vendor states this is fixed in 4.19.272 (unaffected)

Vendor states this is fixed in 4.3 (unaffected)

Vendor states this is fixed in 5.10.166 (unaffected)

Vendor states this is fixed in 5.15.91 (unaffected)

Vendor states this is fixed in 5.4.231 (unaffected)

Vendor states this is fixed in 6.1.9 (unaffected)