CVE-2025-21789

HIGH EPSS 11.3%
Published Feb 27, 20251y ago · Modified Jun 17, 20261w ago
7.1 CVSS 3.1
High
Find Similar
Published Feb 27, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: csum: Fix OoB access in IP checksum code for negative lengths Commit 69e3a6aa6be2 ("LoongArch: Add checksum optimization for 64-bit system") would cause an undefined shift and an out-of-bounds read. Commit 8bd795fedb84 ("arm64: csum: Fix OoB access in IP checksum code for negative lengths") fixes the same issue on ARM64.

CVSS Details

Base Score
7.1
Exploitability
1.8
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
11.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel*≥6.4  –  <6.6.79
linuxlinux_kernel*≥6.7  –  <6.12.16
linuxlinux_kernel*≥6.13  –  <6.13.4
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any

References 4

  • git.kernel.org https://git.kernel.org/stable/c/6287f1a8c16138c2ec750953e35039634018c84a
    Mailing ListPatch
  • git.kernel.org https://git.kernel.org/stable/c/964a8895704a22efc06a2a3276b624a5ae985a06
    Mailing ListPatch
  • git.kernel.org https://git.kernel.org/stable/c/9f15a8df542c0f08732a67d1a14ee7c22948fb97
    Mailing ListPatch
  • git.kernel.org https://git.kernel.org/stable/c/d6508ffff32b44b6d0de06704034e4eef1c307a7
    Mailing ListPatch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/6287f1a8c16138c2ec750953e35039634018c84a
    Mailing ListPatch
  • git.kernel.org https://git.kernel.org/stable/c/964a8895704a22efc06a2a3276b624a5ae985a06
    Mailing ListPatch
  • git.kernel.org https://git.kernel.org/stable/c/9f15a8df542c0f08732a67d1a14ee7c22948fb97
    Mailing ListPatch
  • git.kernel.org https://git.kernel.org/stable/c/d6508ffff32b44b6d0de06704034e4eef1c307a7
    Mailing ListPatch