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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2025-37820

xen-netfront: handle NULL returned by xdp_convert_buff_to_frame()

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c to < 5b83d30c63f9964acb1bc63eb8e670b9e0d2c240affected
  • 6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c to < cefd8a2e2de46209ce66e6d30c237eb59b6c5bfaaffected
  • 6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c to < d6a9c4e6f9b3ec3ad98468c950ad214af8a2efb9affected
  • 6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c to < eefccd889df3b49d92e7349d94c4aa7e1ba19f6caffected
  • 6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c to < cc3628dcd851ddd8d418bf0c897024b4621ddc92affected

Linux Linux

Default version status: affected

  • 5.9affected
  • 0 to < 5.9unaffected
  • 6.1.136 to ≤ 6.1.*unaffected
  • 6.6.89 to ≤ 6.6.*unaffected
  • 6.12.26 to ≤ 6.12.*unaffected
  • 6.14.5 to ≤ 6.14.*unaffected
  • 6.15 to ≤ *unaffected

References