gve: prevent ethtool ops after shutdown
In the Linux kernel, the following vulnerability has been resolved: gve: prevent ethtool ops after shutdown A crash can occur if an ethtool operation is invoked after shutdown() is called. shutdown() is invoked during system shutdown to stop DMA operations without performing expensive deallocations. It is discouraged to unregister the netdev in this path, so the device may still be visible to userspace and kernel helpers. In gve, shutdown() tears down most internal data structures. If an ethtool operation is dispatched after shutdown(), it will dereference freed or NULL pointers, leading to a kernel panic. While graceful shutdown normally quiesces userspace before invoking the reboot syscall, forced shutdowns (as observed on GCP VMs) can still trigger this path. Fix by calling netif_device_detach() in shutdown(). This marks the device as detached so the ethtool ioctl handler will skip dispatching operations to the driver.
CVE-2025-38735
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-2025-38735
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": "974365e518617c9ce917f61aacbba07e4bedcca0",
"lessThan": "48a4e89d50e8ea52e800bc7865970b92fcf4647c",
"versionType": "git"
},
{
"status": "affected",
"version": "974365e518617c9ce917f61aacbba07e4bedcca0",
"lessThan": "ba51d73408edf815cbaeab148625576c2dd90192",
"versionType": "git"
},
{
"status": "affected",
"version": "974365e518617c9ce917f61aacbba07e4bedcca0",
"lessThan": "a7efffeecb881b4649fdc30de020ef910f35d646",
"versionType": "git"
},
{
"status": "affected",
"version": "974365e518617c9ce917f61aacbba07e4bedcca0",
"lessThan": "9d8a41e9a4ff83ff666de811e7f012167cdc00e9",
"versionType": "git"
},
{
"status": "affected",
"version": "974365e518617c9ce917f61aacbba07e4bedcca0",
"lessThan": "75a9a46d67f46d608205888f9b34e315c1786345",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/ethernet/google/gve/gve_main.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.17"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.17",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.149",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.103",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.44",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.16.4",
"versionType": "semver",
"lessThanOrEqual": "6.16.*"
},
{
"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/ethernet/google/gve/gve_main.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-38735
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30615 · Revision 1
- Added to Heist Feed
- Publisher date