CVE-2023-52996

Source
https://cve.org/CVERecord?id=CVE-2023-52996
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52996.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-52996
Downstream
Published
2025-03-27T16:43:30.547Z
Modified
2026-05-28T03:54:54.035436001Z
Summary
ipv4: prevent potential spectre v1 gadget in fib_metrics_match()
Details

In the Linux kernel, the following vulnerability has been resolved:

ipv4: prevent potential spectre v1 gadget in fibmetricsmatch()

if (!type) continue; if (type > RTAXMAX) return false; ... fival = fi->fib_metrics->metrics[type - 1];

@type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52996.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8
Fixed
8f0eb24f1a7a60ce635f0d757a46f1a37a4d467d
Fixed
7f9828fb1f688210e681268490576f0ca65c322a
Fixed
ca3cf947760de050d558293002ad3e7f4b8745d2
Fixed
f9753ebd61be2d957b5504cbd3fd719674f05b7a
Fixed
5e9398a26a92fc402d82ce1f97cc67d832527da0

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52996.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.14.0
Fixed
5.4.231
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.166
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.91
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.9

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52996.json"