CVE-2025-37959Linux vulnerability

42 documents7 sources
Severity
5.5MEDIUMNVD
OSV7.8OSV3.2
EPSS
0.1%
top 72.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 20
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Scrub packet on bpf_redirect_peer When bpf_redirect_peer is used to redirect packets to a device in another network namespace, the skb isn't scrubbed. That can lead skb information from one namespace to be "misused" in another namespace. As one example, this is causing Cilium to drop traffic when using bpf_redirect_peer to redirect packets that just went through IPsec decryption to a container namespace. The following pw

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages9 packages

NVDlinux/linux_kernel5.106.1.139+4
Debianlinux/linux_kernel< 6.1.140-1+2
Ubuntulinux/linux_kernel< 6.8.0-100.100
CVEListV5linux/linux9aa1206e8f48222f35a0c809f33b2f4aaa1e2661de1067cc8cf0e8c11ae20cbe5c467aef19d04ded+5
debiandebian/linux< linux 6.1.140-1 (bookworm)

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

21
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure-fips vulnerabilities2026-03-04
OSV
linux-azure vulnerabilities2026-03-04
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities2026-02-24
OSV
linux-xilinx vulnerabilities2026-02-24

📋Vendor Advisories

20
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Xilinx) vulnerabilities2026-02-24
Ubuntu
Linux kernel (IBM) vulnerabilities2026-02-24
CVE-2025-37959 — Linux vulnerability | cvebase