CVE-2025-37820

MEDIUM EPSS 4.6%
Published May 8, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 8, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: xen-netfront: handle NULL returned by xdp_convert_buff_to_frame() The function xdp_convert_buff_to_frame() may return NULL if it fails to correctly convert the XDP buffer into an XDP frame due to memory constraints, internal errors, or invalid data. Failing to check for NULL may lead to a NULL pointer dereference if the result is used later in processing, potentially causing crashes, data corruption, or undefined behavior. On XDP redirect failure, the associated page must be released explicitly if it was previously retained via get_page(). Failing to do so may result in a memory leak, as the pages reference count is not decremented.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥5.9  –  <6.1.136
linuxlinux_kernel*≥6.2  –  <6.6.89
linuxlinux_kernel*≥6.7  –  <6.12.26
linuxlinux_kernel*≥6.13  –  <6.14.5
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
debiandebian_linux11.0any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/5b83d30c63f9964acb1bc63eb8e670b9e0d2c240
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cc3628dcd851ddd8d418bf0c897024b4621ddc92
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cefd8a2e2de46209ce66e6d30c237eb59b6c5bfa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d6a9c4e6f9b3ec3ad98468c950ad214af8a2efb9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/eefccd889df3b49d92e7349d94c4aa7e1ba19f6c
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
    Mailing ListThird Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/5b83d30c63f9964acb1bc63eb8e670b9e0d2c240
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cc3628dcd851ddd8d418bf0c897024b4621ddc92
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cefd8a2e2de46209ce66e6d30c237eb59b6c5bfa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d6a9c4e6f9b3ec3ad98468c950ad214af8a2efb9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/eefccd889df3b49d92e7349d94c4aa7e1ba19f6c
    Patch