xen-netfront: handle NULL returned by xdp_convert_buff_to_frame()
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.
CVE-2025-37820
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-37820
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c",
"lessThan": "5b83d30c63f9964acb1bc63eb8e670b9e0d2c240",
"versionType": "git"
},
{
"status": "affected",
"version": "6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c",
"lessThan": "cefd8a2e2de46209ce66e6d30c237eb59b6c5bfa",
"versionType": "git"
},
{
"status": "affected",
"version": "6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c",
"lessThan": "d6a9c4e6f9b3ec3ad98468c950ad214af8a2efb9",
"versionType": "git"
},
{
"status": "affected",
"version": "6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c",
"lessThan": "eefccd889df3b49d92e7349d94c4aa7e1ba19f6c",
"versionType": "git"
},
{
"status": "affected",
"version": "6c5aa6fc4defc2a0977a2c59e4710d50fa1e834c",
"lessThan": "cc3628dcd851ddd8d418bf0c897024b4621ddc92",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/xen-netfront.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.9"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.9",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.136",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.89",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.26",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.14.5",
"versionType": "semver",
"lessThanOrEqual": "6.14.*"
},
{
"status": "unaffected",
"version": "6.15",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/xen-netfront.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-37820
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30478 · Revision 1
- Added to Heist Feed
- Publisher date