CVE-2025-21629 — Improper Validation of Integrity Check Value in Linux

CWE-354 — Improper Validation of Integrity Check Value15 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.15%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedJan 15
Latest updateApr 1

Description

In the Linux kernel, the following vulnerability has been resolved: net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets The blamed commit disabled hardware offoad of IPv6 packets with extension headers on devices that advertise NETIF_F_IPV6_CSUM, based on the definition of that feature in skbuff.h: * * - %NETIF_F_IPV6_CSUM * - Driver (device) is only able to checksum plain * TCP or UDP packets over IPv6. These are specifically * unencapsulated packets of the form IPv6|TCP or * IPv6|UD…

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 Packages5 packages

▶NVDlinux/linux_kernel4.19.323 — 4.20+9
▶Debianlinux/linux_kernel< 6.1.124-1+2
▶CVEListV5linux/linuxa84978a9cda68f0afe3f01d476c68db21526baf1 — ac9cfef69565021c9e1022a493a9c40b03e2caf9+9
▶debiandebian/linux< linux 6.1.124-1 (bookworm)
▶debiandebian/linux-6.1< linux 6.1.124-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

7
OSV
linux-raspi vulnerabilities↗2025-04-01
▶
OSV
linux, linux-aws, linux-azure, linux-gcp, linux-hwe-6.11, linux-oracle, linux-realtime vulnerabilities↗2025-03-27
▶
OSV
linux-oem-6.11 vulnerabilities↗2025-03-27
▶
OSV
linux-lowlatency vulnerabilities↗2025-03-27
▶
OSV
linux-lowlatency-hwe-6.11 vulnerabilities↗2025-03-27
▶

📋Vendor Advisories

7
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-04-01
▶
Ubuntu
Linux kernel (Low Latency) vulnerabilities↗2025-03-27
▶
Ubuntu
Linux kernel (Low Latency) vulnerabilities↗2025-03-27
▶
Ubuntu
Linux kernel vulnerabilities↗2025-03-27
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2025-03-27
▶