CVE-2025-22103

Source
https://nvd.nist.gov/vuln/detail/CVE-2025-22103
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-22103.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-22103
Downstream
Related
Published
2025-04-16T14:12:52.164Z
Modified
2025-11-24T20:30:13.104775Z
Summary
net: fix NULL pointer dereference in l3mdev_l3_rcv
Details

In the Linux kernel, the following vulnerability has been resolved:

net: fix NULL pointer dereference in l3mdevl3rcv

When delete l3s ipvlan:

ip link del link eth0 ipvlan1 type ipvlan mode l3s

This may cause a null pointer dereference:

Call trace:
 ip_rcv_finish+0x48/0xd0
 ip_rcv+0x5c/0x100
 __netif_receive_skb_one_core+0x64/0xb0
 __netif_receive_skb+0x20/0x80
 process_backlog+0xb4/0x204
 napi_poll+0xe8/0x294
 net_rx_action+0xd8/0x22c
 __do_softirq+0x12c/0x354

This is because l3mdevl3rcv() visit dev->l3mdevops after ipvlanl3sunregister() assign the dev->l3mdevops to NULL. The process like this:

(CPU1)                     | (CPU2)
l3mdev_l3_rcv()            |
  check dev->priv_flags:   |
    master = skb->dev;     |
                           |
                           | ipvlan_l3s_unregister()
                           |   set dev->priv_flags
                           |   dev->l3mdev_ops = NULL;
                           |
  visit master->l3mdev_ops |

To avoid this by do not set dev->l3mdev_ops when unregister l3s ipvlan.

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
c675e06a98a474f7ad0af32ce467613da818da52
Fixed
52b44d8c653459c658b733d13658afdde45f6836
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
c675e06a98a474f7ad0af32ce467613da818da52
Fixed
59599bce44af3df7a215ebc81cb166426e1c9204
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
c675e06a98a474f7ad0af32ce467613da818da52
Fixed
f9dff65140efc289f01bcf39c3ca66a8806b6132
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
c675e06a98a474f7ad0af32ce467613da818da52
Fixed
0032c99e83b9ce6d5995d65900aa4b6ffb501cce

Affected versions

v5.*

v5.0
v5.0-rc5
v5.0-rc6
v5.0-rc7
v5.0-rc8
v5.1
v5.1-rc1
v5.1-rc2
v5.1-rc3
v5.1-rc4
v5.1-rc5
v5.1-rc6
v5.1-rc7
v5.10
v5.10-rc1
v5.10-rc2
v5.10-rc3
v5.10-rc4
v5.10-rc5
v5.10-rc6
v5.10-rc7
v5.11
v5.11-rc1
v5.11-rc2
v5.11-rc3
v5.11-rc4
v5.11-rc5
v5.11-rc6
v5.11-rc7
v5.12
v5.12-rc1
v5.12-rc1-dontuse
v5.12-rc2
v5.12-rc3
v5.12-rc4
v5.12-rc5
v5.12-rc6
v5.12-rc7
v5.12-rc8
v5.13
v5.13-rc1
v5.13-rc2
v5.13-rc3
v5.13-rc4
v5.13-rc5
v5.13-rc6
v5.13-rc7
v5.14
v5.14-rc1
v5.14-rc2
v5.14-rc3
v5.14-rc4
v5.14-rc5
v5.14-rc6
v5.14-rc7
v5.15
v5.15-rc1
v5.15-rc2
v5.15-rc3
v5.15-rc4
v5.15-rc5
v5.15-rc6
v5.15-rc7
v5.16
v5.16-rc1
v5.16-rc2
v5.16-rc3
v5.16-rc4
v5.16-rc5
v5.16-rc6
v5.16-rc7
v5.16-rc8
v5.17
v5.17-rc1
v5.17-rc2
v5.17-rc3
v5.17-rc4
v5.17-rc5
v5.17-rc6
v5.17-rc7
v5.17-rc8
v5.18
v5.18-rc1
v5.18-rc2
v5.18-rc3
v5.18-rc4
v5.18-rc5
v5.18-rc6
v5.18-rc7
v5.19
v5.19-rc1
v5.19-rc2
v5.19-rc3
v5.19-rc4
v5.19-rc5
v5.19-rc6
v5.19-rc7
v5.19-rc8
v5.2
v5.2-rc1
v5.2-rc2
v5.2-rc3
v5.2-rc4
v5.2-rc5
v5.2-rc6
v5.2-rc7
v5.3
v5.3-rc1
v5.3-rc2
v5.3-rc3
v5.3-rc4
v5.3-rc5
v5.3-rc6
v5.3-rc7
v5.3-rc8
v5.4
v5.4-rc1
v5.4-rc2
v5.4-rc3
v5.4-rc4
v5.4-rc5
v5.4-rc6
v5.4-rc7
v5.4-rc8
v5.5
v5.5-rc1
v5.5-rc2
v5.5-rc3
v5.5-rc4
v5.5-rc5
v5.5-rc6
v5.5-rc7
v5.6
v5.6-rc1
v5.6-rc2
v5.6-rc3
v5.6-rc4
v5.6-rc5
v5.6-rc6
v5.6-rc7
v5.7
v5.7-rc1
v5.7-rc2
v5.7-rc3
v5.7-rc4
v5.7-rc5
v5.7-rc6
v5.7-rc7
v5.8
v5.8-rc1
v5.8-rc2
v5.8-rc3
v5.8-rc4
v5.8-rc5
v5.8-rc6
v5.8-rc7
v5.9
v5.9-rc1
v5.9-rc2
v5.9-rc3
v5.9-rc4
v5.9-rc5
v5.9-rc6
v5.9-rc7
v5.9-rc8

v6.*

v6.0
v6.0-rc1
v6.0-rc2
v6.0-rc3
v6.0-rc4
v6.0-rc5
v6.0-rc6
v6.0-rc7
v6.1
v6.1-rc1
v6.1-rc2
v6.1-rc3
v6.1-rc4
v6.1-rc5
v6.1-rc6
v6.1-rc7
v6.1-rc8
v6.10
v6.10-rc1
v6.10-rc2
v6.10-rc3
v6.10-rc4
v6.10-rc5
v6.10-rc6
v6.10-rc7
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.12
v6.12-rc1
v6.12-rc2
v6.12-rc3
v6.12-rc4
v6.12-rc5
v6.12-rc6
v6.12-rc7
v6.12.1
v6.12.10
v6.12.11
v6.12.12
v6.12.13
v6.12.14
v6.12.15
v6.12.16
v6.12.17
v6.12.18
v6.12.19
v6.12.2
v6.12.20
v6.12.21
v6.12.22
v6.12.23
v6.12.24
v6.12.25
v6.12.26
v6.12.27
v6.12.28
v6.12.29
v6.12.3
v6.12.30
v6.12.31
v6.12.32
v6.12.33
v6.12.34
v6.12.35
v6.12.36
v6.12.37
v6.12.38
v6.12.39
v6.12.4
v6.12.40
v6.12.41
v6.12.42
v6.12.43
v6.12.44
v6.12.45
v6.12.5
v6.12.6
v6.12.7
v6.12.8
v6.12.9
v6.13
v6.13-rc1
v6.13-rc2
v6.13-rc3
v6.13-rc4
v6.13-rc5
v6.13-rc6
v6.13-rc7
v6.14
v6.14-rc1
v6.14-rc2
v6.14-rc3
v6.14-rc4
v6.14-rc5
v6.14-rc6
v6.14-rc7
v6.14.1
v6.2
v6.2-rc1
v6.2-rc2
v6.2-rc3
v6.2-rc4
v6.2-rc5
v6.2-rc6
v6.2-rc7
v6.2-rc8
v6.3
v6.3-rc1
v6.3-rc2
v6.3-rc3
v6.3-rc4
v6.3-rc5
v6.3-rc6
v6.3-rc7
v6.4
v6.4-rc1
v6.4-rc2
v6.4-rc3
v6.4-rc4
v6.4-rc5
v6.4-rc6
v6.4-rc7
v6.5
v6.5-rc1
v6.5-rc2
v6.5-rc3
v6.5-rc4
v6.5-rc5
v6.5-rc6
v6.5-rc7
v6.6
v6.6-rc1
v6.6-rc2
v6.6-rc3
v6.6-rc4
v6.6-rc5
v6.6-rc6
v6.6-rc7
v6.6.1
v6.6.10
v6.6.100
v6.6.101
v6.6.102
v6.6.103
v6.6.104
v6.6.105
v6.6.106
v6.6.107
v6.6.108
v6.6.109
v6.6.11
v6.6.110
v6.6.111
v6.6.112
v6.6.113
v6.6.114
v6.6.115
v6.6.116
v6.6.12
v6.6.13
v6.6.14
v6.6.15
v6.6.16
v6.6.17
v6.6.18
v6.6.19
v6.6.2
v6.6.20
v6.6.21
v6.6.22
v6.6.23
v6.6.24
v6.6.25
v6.6.26
v6.6.27
v6.6.28
v6.6.29
v6.6.3
v6.6.30
v6.6.31
v6.6.32
v6.6.33
v6.6.34
v6.6.35
v6.6.36
v6.6.37
v6.6.38
v6.6.39
v6.6.4
v6.6.40
v6.6.41
v6.6.42
v6.6.43
v6.6.44
v6.6.45
v6.6.46
v6.6.47
v6.6.48
v6.6.49
v6.6.5
v6.6.50
v6.6.51
v6.6.52
v6.6.53
v6.6.54
v6.6.55
v6.6.56
v6.6.57
v6.6.58
v6.6.59
v6.6.6
v6.6.60
v6.6.61
v6.6.62
v6.6.63
v6.6.64
v6.6.65
v6.6.66
v6.6.67
v6.6.68
v6.6.69
v6.6.7
v6.6.70
v6.6.71
v6.6.72
v6.6.73
v6.6.74
v6.6.75
v6.6.76
v6.6.77
v6.6.78
v6.6.79
v6.6.8
v6.6.80
v6.6.81
v6.6.82
v6.6.83
v6.6.84
v6.6.85
v6.6.86
v6.6.87
v6.6.88
v6.6.89
v6.6.9
v6.6.90
v6.6.91
v6.6.92
v6.6.93
v6.6.94
v6.6.95
v6.6.96
v6.6.97
v6.6.98
v6.6.99
v6.7
v6.7-rc1
v6.7-rc2
v6.7-rc3
v6.7-rc4
v6.7-rc5
v6.7-rc6
v6.7-rc7
v6.7-rc8
v6.8
v6.8-rc1
v6.8-rc2
v6.8-rc3
v6.8-rc4
v6.8-rc5
v6.8-rc6
v6.8-rc7
v6.9
v6.9-rc1
v6.9-rc2
v6.9-rc3
v6.9-rc4
v6.9-rc5
v6.9-rc6
v6.9-rc7

Database specific

vanir_signatures

[
    {
        "id": "CVE-2025-22103-34208e6d",
        "target": {
            "file": "drivers/net/ipvlan/ipvlan_l3s.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "44644025978077122225966742693320701544",
                "113441011989748530565534543312369282928"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f9dff65140efc289f01bcf39c3ca66a8806b6132",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2025-22103-46465149",
        "target": {
            "file": "drivers/net/ipvlan/ipvlan_l3s.c",
            "function": "ipvlan_l3s_unregister"
        },
        "digest": {
            "function_hash": "111927875538803139961480468014245213658",
            "length": 197.0
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f9dff65140efc289f01bcf39c3ca66a8806b6132",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2025-22103-524edb6d",
        "target": {
            "file": "drivers/net/ipvlan/ipvlan_l3s.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "44644025978077122225966742693320701544",
                "113441011989748530565534543312369282928"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@52b44d8c653459c658b733d13658afdde45f6836",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2025-22103-97344a7c",
        "target": {
            "file": "drivers/net/ipvlan/ipvlan_l3s.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "44644025978077122225966742693320701544",
                "113441011989748530565534543312369282928"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@59599bce44af3df7a215ebc81cb166426e1c9204",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2025-22103-9f48cdbb",
        "target": {
            "file": "drivers/net/ipvlan/ipvlan_l3s.c",
            "function": "ipvlan_l3s_unregister"
        },
        "digest": {
            "function_hash": "111927875538803139961480468014245213658",
            "length": 197.0
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@52b44d8c653459c658b733d13658afdde45f6836",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2025-22103-dccbfc43",
        "target": {
            "file": "drivers/net/ipvlan/ipvlan_l3s.c",
            "function": "ipvlan_l3s_unregister"
        },
        "digest": {
            "function_hash": "111927875538803139961480468014245213658",
            "length": 197.0
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@59599bce44af3df7a215ebc81cb166426e1c9204",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2025-22103-e447aa8a",
        "target": {
            "file": "drivers/net/ipvlan/ipvlan_l3s.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "44644025978077122225966742693320701544",
                "113441011989748530565534543312369282928"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0032c99e83b9ce6d5995d65900aa4b6ffb501cce",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2025-22103-faa07b44",
        "target": {
            "file": "drivers/net/ipvlan/ipvlan_l3s.c",
            "function": "ipvlan_l3s_unregister"
        },
        "digest": {
            "function_hash": "111927875538803139961480468014245213658",
            "length": 197.0
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0032c99e83b9ce6d5995d65900aa4b6ffb501cce",
        "signature_version": "v1"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.1.0
Fixed
6.6.117
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.46
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.14.2