High 7.5Published May 8, 2025

CVE-2025-37820xen-netfront: handle NULL returned by xdp_convert_buff_to_frame()

Updated under an hour ago (Oct 28, 2026, 12:23 AM ET)

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It affects Linux and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c builds before 5b83d30c63f9964acb1bc63eb8e670b9e0d2c240; from 6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c before cefd8a2e2de46209ce66e6d30c237eb59b6c5bfa; from 6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c before d6a9c4e6f9b3ec3ad98468c950ad214af8a2efb9; from 6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c before eefccd889df3b49d92e7349d94c4aa7e1ba19f6c; from 6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c before cc3628dcd851ddd8d418bf0c897024b4621ddc92	CNA record
linux linux_kernel linux:linux_kernel	from 5.9 before 6.1.136; from 6.2 before 6.6.89; from 6.7 before 6.12.26; from 6.13 before 6.14.5; 6.15; 6.15; 6.15	NVD
debian debian_linux debian:debian_linux	11.0	NVD

References

References

https://git.kernel.org/stable/c/5b83d30c63f9964acb1bc63eb8e670b9e0d2c240	patch
https://git.kernel.org/stable/c/cefd8a2e2de46209ce66e6d30c237eb59b6c5bfa	patch
https://git.kernel.org/stable/c/d6a9c4e6f9b3ec3ad98468c950ad214af8a2efb9	patch
https://git.kernel.org/stable/c/eefccd889df3b49d92e7349d94c4aa7e1ba19f6c	patch
https://git.kernel.org/stable/c/cc3628dcd851ddd8d418bf0c897024b4621ddc92	patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html	mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.