CVE-2018-10853

Source
https://cve.org/CVERecord?id=CVE-2018-10853
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-10853.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-10853
Downstream
Related
Published
2018-09-11T14:29:01.630Z
Modified
2026-02-12T00:47:08.135735Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.

References

Affected packages

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

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
129a72a0d3c8e139a04512325384fe5ac119e74
Fixed
3c9fa24ca7c9c47605672916491f79e8ccacb9e6

Affected versions

v2.*
v2.6.12
v2.6.12-rc2
v2.6.12-rc3
v2.6.12-rc4
v2.6.12-rc5
v2.6.12-rc6
v2.6.13
v2.6.13-rc1
v2.6.13-rc2
v2.6.13-rc3
v2.6.13-rc4
v2.6.13-rc5
v2.6.13-rc6
v2.6.13-rc7
v2.6.14
v2.6.14-rc1
v2.6.14-rc2
v2.6.14-rc3
v2.6.14-rc4
v2.6.14-rc5
v2.6.15
v2.6.15-rc1
v2.6.15-rc2
v2.6.15-rc3
v2.6.15-rc4
v2.6.15-rc5
v2.6.15-rc6
v2.6.15-rc7
v2.6.16
v2.6.16-rc1
v2.6.16-rc2
v2.6.16-rc3
v2.6.16-rc4
v2.6.16-rc5
v2.6.16-rc6
v2.6.17
v2.6.17-rc1
v2.6.17-rc2
v2.6.17-rc3
v2.6.17-rc4
v2.6.17-rc5
v2.6.17-rc6
v2.6.18
v2.6.18-rc1
v2.6.18-rc2
v2.6.18-rc3
v2.6.18-rc4
v2.6.18-rc5
v2.6.18-rc6
v2.6.18-rc7
v2.6.19
v2.6.19-rc1
v2.6.19-rc2
v2.6.19-rc3
v2.6.19-rc4
v2.6.19-rc5
v2.6.19-rc6
v2.6.20
v2.6.20-rc1
v2.6.20-rc2
v2.6.20-rc3
v2.6.20-rc4
v2.6.20-rc5
v2.6.20-rc6
v2.6.20-rc7
v2.6.21
v2.6.21-rc1
v2.6.21-rc2
v2.6.21-rc3
v2.6.21-rc4
v2.6.21-rc5
v2.6.21-rc6
v2.6.21-rc7
v2.6.22
v2.6.22-rc1
v2.6.22-rc2
v2.6.22-rc3
v2.6.22-rc4
v2.6.22-rc5
v2.6.22-rc6
v2.6.22-rc7
v2.6.23
v2.6.23-rc1
v2.6.23-rc2
v2.6.23-rc3
v2.6.23-rc4
v2.6.23-rc5
v2.6.23-rc6
v2.6.23-rc7
v2.6.23-rc8
v2.6.23-rc9
v2.6.24
v2.6.24-rc1
v2.6.24-rc2
v2.6.24-rc3
v2.6.24-rc4
v2.6.24-rc5
v2.6.24-rc6
v2.6.24-rc7
v2.6.24-rc8
v2.6.25
v2.6.25-rc1
v2.6.25-rc2
v2.6.25-rc3
v2.6.25-rc4
v2.6.25-rc5
v2.6.25-rc6
v2.6.25-rc7
v2.6.25-rc8
v2.6.25-rc9
v2.6.26
v2.6.26-rc1
v2.6.26-rc2
v2.6.26-rc3
v2.6.26-rc4
v2.6.26-rc5
v2.6.26-rc6
v2.6.26-rc7
v2.6.26-rc8
v2.6.26-rc9
v2.6.27
v2.6.27-rc1
v2.6.27-rc2
v2.6.27-rc3
v2.6.27-rc4
v2.6.27-rc5
v2.6.27-rc6
v2.6.27-rc7
v2.6.27-rc8
v2.6.27-rc9
v2.6.28
v2.6.28-rc1
v2.6.28-rc2
v2.6.28-rc3
v2.6.28-rc4
v2.6.28-rc5
v2.6.28-rc6
v2.6.28-rc7
v2.6.28-rc8
v2.6.28-rc9
v2.6.29
v2.6.29-rc1
v2.6.29-rc2
v2.6.29-rc3
v2.6.29-rc4
v2.6.29-rc5
v2.6.29-rc6
v2.6.29-rc7
v2.6.29-rc8
v2.6.30
v2.6.30-rc1
v2.6.30-rc2
v2.6.30-rc3
v2.6.30-rc4
v2.6.30-rc5
v2.6.30-rc6
v2.6.30-rc7
v2.6.30-rc8
v2.6.31
v2.6.31-rc1
v2.6.31-rc2
v2.6.31-rc3
v2.6.31-rc4
v2.6.31-rc5
v2.6.31-rc6
v2.6.31-rc7
v2.6.31-rc8
v2.6.31-rc9
v2.6.32
v2.6.32-rc1
v2.6.32-rc2
v2.6.32-rc3
v2.6.32-rc4
v2.6.32-rc5
v2.6.32-rc6
v2.6.32-rc7
v2.6.32-rc8
v2.6.33
v2.6.33-rc1
v2.6.33-rc2
v2.6.33-rc3
v2.6.33-rc4
v2.6.33-rc5
v2.6.33-rc6
v2.6.33-rc7
v2.6.33-rc8
v2.6.34
v2.6.34-rc1
v2.6.34-rc2
v2.6.34-rc3
v2.6.34-rc4
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v2.6.35
v2.6.35-rc1
v2.6.35-rc2
v2.6.35-rc3
v2.6.35-rc4
v2.6.35-rc5
v2.6.35-rc6
v2.6.36
v2.6.36-rc1
v2.6.36-rc2
v2.6.36-rc3
v2.6.36-rc4
v2.6.36-rc5
v2.6.36-rc6
v2.6.36-rc7
v2.6.36-rc8
v2.6.37
v2.6.37-rc1
v2.6.37-rc2
v2.6.37-rc3
v2.6.37-rc4
v2.6.37-rc5
v2.6.37-rc6
v2.6.37-rc7
v2.6.37-rc8
v2.6.38
v2.6.38-rc1
v2.6.38-rc2
v2.6.38-rc3
v2.6.38-rc4
v2.6.38-rc5
v2.6.38-rc6
v2.6.38-rc7
v2.6.38-rc8
v2.6.39
v2.6.39-rc1
v2.6.39-rc2
v2.6.39-rc3
v2.6.39-rc4
v2.6.39-rc5
v2.6.39-rc6
v2.6.39-rc7
v3.*
v3.0
v3.0-rc1
v3.0-rc2
v3.0-rc3
v3.0-rc4
v3.0-rc5
v3.0-rc6
v3.0-rc7
v3.1
v3.1-rc1
v3.1-rc10
v3.1-rc2
v3.1-rc3
v3.1-rc4
v3.1-rc5
v3.1-rc6
v3.1-rc7
v3.1-rc8
v3.1-rc9
v3.10
v3.10-rc1
v3.10-rc2
v3.10-rc3
v3.10-rc4
v3.10-rc5
v3.10-rc6
v3.10-rc7
v3.11
v3.11-rc1
v3.11-rc2
v3.11-rc3
v3.11-rc4
v3.11-rc5
v3.11-rc6
v3.11-rc7
v3.12
v3.12-rc1
v3.12-rc2
v3.12-rc3
v3.12-rc4
v3.12-rc5
v3.12-rc6
v3.12-rc7
v3.13
v3.13-rc1
v3.13-rc2
v3.13-rc3
v3.13-rc4
v3.13-rc5
v3.13-rc6
v3.13-rc7
v3.13-rc8
v3.14
v3.14-rc1
v3.14-rc2
v3.14-rc3
v3.14-rc4
v3.14-rc5
v3.14-rc6
v3.14-rc7
v3.14-rc8
v3.15
v3.15-rc1
v3.15-rc2
v3.15-rc3
v3.15-rc4
v3.15-rc5
v3.15-rc6
v3.15-rc7
v3.15-rc8
v3.16
v3.16-rc1
v3.16-rc2
v3.16-rc3
v3.16-rc4
v3.16-rc5
v3.16-rc6
v3.16-rc7
v3.17
v3.17-rc1
v3.17-rc2
v3.17-rc3
v3.17-rc4
v3.17-rc5
v3.17-rc6
v3.17-rc7
v3.18
v3.18-rc1
v3.18-rc2
v3.18-rc3
v3.18-rc4
v3.18-rc5
v3.18-rc6
v3.18-rc7
v3.19
v3.19-rc1
v3.19-rc2
v3.19-rc3
v3.19-rc4
v3.19-rc5
v3.19-rc6
v3.19-rc7
v3.2
v3.2-rc1
v3.2-rc2
v3.2-rc3
v3.2-rc4
v3.2-rc5
v3.2-rc6
v3.2-rc7
v3.3
v3.3-rc1
v3.3-rc2
v3.3-rc3
v3.3-rc4
v3.3-rc5
v3.3-rc6
v3.3-rc7
v3.4
v3.4-rc1
v3.4-rc2
v3.4-rc3
v3.4-rc4
v3.4-rc5
v3.4-rc6
v3.4-rc7
v3.5
v3.5-rc1
v3.5-rc2
v3.5-rc3
v3.5-rc4
v3.5-rc5
v3.5-rc6
v3.5-rc7
v3.6
v3.6-rc1
v3.6-rc2
v3.6-rc3
v3.6-rc4
v3.6-rc5
v3.6-rc6
v3.6-rc7
v3.7
v3.7-rc1
v3.7-rc2
v3.7-rc3
v3.7-rc4
v3.7-rc5
v3.7-rc6
v3.7-rc7
v3.7-rc8
v3.8
v3.8-rc1
v3.8-rc2
v3.8-rc3
v3.8-rc4
v3.8-rc5
v3.8-rc6
v3.8-rc7
v3.9
v3.9-rc1
v3.9-rc2
v3.9-rc3
v3.9-rc4
v3.9-rc5
v3.9-rc6
v3.9-rc7
v3.9-rc8
v4.*
v4.0
v4.0-rc1
v4.0-rc2
v4.0-rc3
v4.0-rc4
v4.0-rc5
v4.0-rc6
v4.0-rc7
v4.1
v4.1-rc1
v4.1-rc2
v4.1-rc3
v4.1-rc4
v4.1-rc5
v4.1-rc6
v4.1-rc7
v4.1-rc8
v4.10-rc1
v4.10-rc2
v4.10-rc3
v4.2
v4.2-rc1
v4.2-rc2
v4.2-rc3
v4.2-rc4
v4.2-rc5
v4.2-rc6
v4.2-rc7
v4.2-rc8
v4.3
v4.3-rc1
v4.3-rc2
v4.3-rc3
v4.3-rc4
v4.3-rc5
v4.3-rc6
v4.3-rc7
v4.4
v4.4-rc1
v4.4-rc2
v4.4-rc3
v4.4-rc4
v4.4-rc5
v4.4-rc6
v4.4-rc7
v4.4-rc8
v4.5
v4.5-rc1
v4.5-rc2
v4.5-rc3
v4.5-rc4
v4.5-rc5
v4.5-rc6
v4.5-rc7
v4.6
v4.6-rc1
v4.6-rc2
v4.6-rc3
v4.6-rc4
v4.6-rc5
v4.6-rc6
v4.6-rc7
v4.7
v4.7-rc1
v4.7-rc2
v4.7-rc3
v4.7-rc4
v4.7-rc5
v4.7-rc6
v4.7-rc7
v4.8
v4.8-rc1
v4.8-rc2
v4.8-rc3
v4.8-rc4
v4.8-rc5
v4.8-rc6
v4.8-rc7
v4.8-rc8
v4.9
v4.9-rc1
v4.9-rc2
v4.9-rc3
v4.9-rc4
v4.9-rc5
v4.9-rc6
v4.9-rc7
v4.9-rc8

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-10853.json"
vanir_signatures
[
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "function_hash": "44507450281427551836745194337233385820",
            "length": 312.0
        },
        "id": "CVE-2018-10853-04951912",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/emulate.c",
            "function": "segmented_write_std"
        }
    },
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "function_hash": "48293007828282663379225779740936852288",
            "length": 519.0
        },
        "id": "CVE-2018-10853-36e4407b",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/x86.c",
            "function": "handle_ud"
        }
    },
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "function_hash": "175082905589116003835799193060153013032",
            "length": 224.0
        },
        "id": "CVE-2018-10853-4728703b",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/x86.c",
            "function": "emulator_write_std"
        }
    },
    {
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "line_hashes": [
                "237106227107829007834663505296494779854",
                "174187126641939509577717026115490096359",
                "182833149815579490419288695922176896476",
                "63145319224393056085372509559056311477",
                "95443269580501422589848606473730295248",
                "174415263676574840077101234858606088488",
                "161248569150108399616005334258407450755",
                "4711794334865033043256784067875132728",
                "339509028205008557055723476574596061149",
                "263486395064325577115977518479818024144",
                "36391106592513991337511955243159141816",
                "180448821709368434204460716864168251034",
                "179944123051925997993808806135480946107",
                "237812559012550254710078472271581206119",
                "284673969493928972788372485486616876820",
                "87602562533532043490796343988512745049",
                "104655327152204270932097925415494168978",
                "198172043133779504829660367710451247034",
                "29756134666606467452960507351108852930",
                "164272024959760786859490409300843540722"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2018-10853-56d62e3f",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/x86.c"
        }
    },
    {
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "line_hashes": [
                "19499764267994185199245462429816179375",
                "82089503315936856264734701913918177146",
                "209812869739735040653576037067956035233",
                "49398609971819439152591363563184996859",
                "216689905810564807474866634421725811447",
                "25449741600732367687266060472074077549",
                "231472605717250057173156285173833410155",
                "19031888254910062082691578325922037970",
                "188988991773805810820243258710339594201",
                "14606101715565214418587238741153070676",
                "69156866480191110791726396895406122727",
                "42777304656921351059086571652950117082"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2018-10853-57b9a537",
        "deprecated": false,
        "target": {
            "file": "arch/x86/include/asm/kvm_emulate.h"
        }
    },
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "function_hash": "184849564950139474846548192511767093887",
            "length": 187.0
        },
        "id": "CVE-2018-10853-6f684f19",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/emulate.c",
            "function": "linear_read_system"
        }
    },
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "function_hash": "14322693554834938321001165744511063982",
            "length": 188.0
        },
        "id": "CVE-2018-10853-958819cd",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/emulate.c",
            "function": "linear_write_system"
        }
    },
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "function_hash": "127751464559110769913165755397694541406",
            "length": 312.0
        },
        "id": "CVE-2018-10853-97e6d23b",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/emulate.c",
            "function": "segmented_read_std"
        }
    },
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "function_hash": "179676784318194359986450015434917808034",
            "length": 955.0
        },
        "id": "CVE-2018-10853-b7894e90",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/emulate.c",
            "function": "emulator_io_port_access_allowed"
        }
    },
    {
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "line_hashes": [
                "206403156134447336850913591095176536044",
                "211473439821225804371119942922119155410",
                "283499856481430378282642498466138988020",
                "204887231407540942040360746432608844303",
                "33053007155092990971453407914254401112",
                "208700665270843468780399828835965565091",
                "236439131596966987742852058865020170222",
                "320196608229947606973898763781407415988",
                "261812561063927197791588387263422667256",
                "118012362690540873853194498564674098773",
                "306810892133299810385004492439802560683",
                "227505052851987278996755257202912874553",
                "295173337812737157691112332456260147031",
                "22424967092644352979204979088472947064",
                "309143346740701139908159526754181597648",
                "312576497723631504967843119035683476195",
                "82224417998919552269741468844814407064",
                "274348472869259657180490759424870277613",
                "146869757080593089457301616056903836274",
                "331255253625457050188440829918890015777",
                "281407091198314566072589364119745691724",
                "20555976616508359801961719909582266065",
                "189019692398526805172096701893217626787",
                "3916822002445082903245996284646474731",
                "254704708116744934956762446275729420279",
                "223603575592138179131473932668021349547",
                "331141801939106427075755726035275095207"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2018-10853-eecdb011",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/emulate.c"
        }
    },
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@3c9fa24ca7c9c47605672916491f79e8ccacb9e6",
        "digest": {
            "function_hash": "318373645929421798634250425331196713329",
            "length": 209.0
        },
        "id": "CVE-2018-10853-f85f03d2",
        "deprecated": false,
        "target": {
            "file": "arch/x86/kvm/x86.c",
            "function": "emulator_read_std"
        }
    }
]