drop_monitor: fix incorrect initialization order
In the Linux kernel, the following vulnerability has been resolved: drop_monitor: fix incorrect initialization order Syzkaller reports the following bug: BUG: spinlock bad magic on CPU#1, syz-executor.0/7995 lock: 0xffff88805303f3e0, .magic: 00000000, .owner: /-1, .owner_cpu: 0 CPU: 1 PID: 7995 Comm: syz-executor.0 Tainted: G E 5.10.209+ #1 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x119/0x179 lib/dump_stack.c:118 debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] do_raw_spin_lock+0x1f6/0x270 kernel/locking/spinlock_debug.c:112 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline] _raw_spin_lock_irqsave+0x50/0x70 kernel/locking/spinlock.c:159 reset_per_cpu_data+0xe6/0x240 [drop_monitor] net_dm_cmd_trace+0x43d/0x17a0 [drop_monitor] genl_family_rcv_msg_doit+0x22f/0x330 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x341/0x5a0 net/netlink/genetlink.c:800 netlink_rcv_skb+0x14d/0x440 net/netlink/af_netlink.c:2497 genl_rcv+0x29/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x54b/0x800 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x914/0xe00 net/netlink/af_netlink.c:1916 sock_sendmsg_nosec net/socket.c:651 [inline] __sock_sendmsg+0x157/0x190 net/socket.c:663 ____sys_sendmsg+0x712/0x870 net/socket.c:2378 ___s
CVE-2025-21862
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-2025-21862
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": "9a8afc8d3962f3ed26fd6b56db34133860ed1e72",
"lessThan": "6e9e0f224ffd8b819da3ea247dda404795fdd182",
"versionType": "git"
},
{
"status": "affected",
"version": "9a8afc8d3962f3ed26fd6b56db34133860ed1e72",
"lessThan": "29f9cdcab3d96d5207a5c92b52c40ad75e5915d8",
"versionType": "git"
},
{
"status": "affected",
"version": "9a8afc8d3962f3ed26fd6b56db34133860ed1e72",
"lessThan": "872c7c7e57a746046796ddfead529c9d37b9f6b4",
"versionType": "git"
},
{
"status": "affected",
"version": "9a8afc8d3962f3ed26fd6b56db34133860ed1e72",
"lessThan": "fcfc00bfec7bb6661074cb21356d05a4c9470a3c",
"versionType": "git"
},
{
"status": "affected",
"version": "9a8afc8d3962f3ed26fd6b56db34133860ed1e72",
"lessThan": "0efa6c42f81c60d8f72ba7f5ed8d4fec8c526282",
"versionType": "git"
},
{
"status": "affected",
"version": "9a8afc8d3962f3ed26fd6b56db34133860ed1e72",
"lessThan": "b7859e8643e75619b2705b4fcac93ffd94d72b4a",
"versionType": "git"
},
{
"status": "affected",
"version": "9a8afc8d3962f3ed26fd6b56db34133860ed1e72",
"lessThan": "219a47d0e6195bd202f22855e35f25bd15bc4d58",
"versionType": "git"
},
{
"status": "affected",
"version": "9a8afc8d3962f3ed26fd6b56db34133860ed1e72",
"lessThan": "07b598c0e6f06a0f254c88dafb4ad50f8a8c6eea",
"versionType": "git"
}
],
"programFiles": [
"net/core/drop_monitor.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.30"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "2.6.30",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.4.291",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.235",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.179",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.130",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.80",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.17",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.13.5",
"versionType": "semver",
"lessThanOrEqual": "6.13.*"
},
{
"status": "unaffected",
"version": "6.14",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/core/drop_monitor.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-21862
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #26962 · Revision 1
- Added to Heist Feed
- Publisher date