CVE-2020-12652

Source
https://cve.org/CVERecord?id=CVE-2020-12652
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12652.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-12652
Downstream
Related
Published
2020-05-05T05:15:11.190Z
Modified
2026-02-24T11:39:22.025363Z
Severity
  • 4.1 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The _mptctlioctl function in drivers/message/fusion/mptctl.c in the Linux kernel before 5.4.14 allows local users to hold an incorrect lock during the ioctl operation and trigger a race condition, i.e., a "double fetch" vulnerability, aka CID-28d76df18f0a. NOTE: the vendor states "The security impact of this bug is not as bad as it could have been because these operations are all privileged and root already has enormous destructive power."

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
28d76df18f0ad5bcf5fa48510b225f0ed262a99b

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
v4.10-rc1
v4.10-rc2
v4.10-rc3
v4.10-rc4
v4.10-rc5
v4.10-rc6
v4.10-rc7
v4.10-rc8
v4.11
v4.11-rc1
v4.11-rc2
v4.11-rc3
v4.11-rc4
v4.11-rc5
v4.11-rc6
v4.11-rc7
v4.11-rc8
v4.12
v4.12-rc1
v4.12-rc2
v4.12-rc3
v4.12-rc4
v4.12-rc5
v4.12-rc6
v4.12-rc7
v4.13
v4.13-rc1
v4.13-rc2
v4.13-rc3
v4.13-rc4
v4.13-rc5
v4.13-rc6
v4.13-rc7
v4.14
v4.14-rc1
v4.14-rc2
v4.14-rc3
v4.14-rc4
v4.14-rc5
v4.14-rc6
v4.14-rc7
v4.14-rc8
v4.15
v4.15-rc1
v4.15-rc2
v4.15-rc3
v4.15-rc4
v4.15-rc5
v4.15-rc6
v4.15-rc7
v4.15-rc8
v4.15-rc9
v4.16
v4.16-rc1
v4.16-rc2
v4.16-rc3
v4.16-rc4
v4.16-rc5
v4.16-rc6
v4.16-rc7
v4.17
v4.17-rc1
v4.17-rc2
v4.17-rc3
v4.17-rc4
v4.17-rc5
v4.17-rc6
v4.17-rc7
v4.18
v4.18-rc1
v4.18-rc2
v4.18-rc3
v4.18-rc4
v4.18-rc5
v4.18-rc6
v4.18-rc7
v4.18-rc8
v4.19
v4.19-rc1
v4.19-rc2
v4.19-rc3
v4.19-rc4
v4.19-rc5
v4.19-rc6
v4.19-rc7
v4.19-rc8
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
v4.20
v4.20-rc1
v4.20-rc2
v4.20-rc3
v4.20-rc4
v4.20-rc5
v4.20-rc6
v4.20-rc7
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
v5.*
v5.0
v5.0-rc1
v5.0-rc2
v5.0-rc3
v5.0-rc4
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
v5.2
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-rc1

Database specific

vanir_signatures
[
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c",
            "function": "mptctl_do_reset"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Function",
        "id": "CVE-2020-12652-0888da60",
        "deprecated": false,
        "digest": {
            "function_hash": "330700654817186386494314827735678076578",
            "length": 786.0
        }
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c",
            "function": "mptctl_mpt_command"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Function",
        "id": "CVE-2020-12652-0a42782a",
        "deprecated": false,
        "digest": {
            "function_hash": "238819309986058925633842576189938349228",
            "length": 614.0
        }
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c",
            "function": "compat_mptfwxfer_ioctl"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Function",
        "id": "CVE-2020-12652-0f4f472e",
        "deprecated": false,
        "digest": {
            "function_hash": "263672427269204159310850276030340242533",
            "length": 867.0
        }
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c",
            "function": "mptctl_do_fw_download"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Function",
        "id": "CVE-2020-12652-28c37cfa",
        "deprecated": false,
        "digest": {
            "function_hash": "327233233957976950565136919794151515288",
            "length": 4696.0
        }
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c",
            "function": "mptctl_replace_fw"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Function",
        "id": "CVE-2020-12652-2a48a3c1",
        "deprecated": false,
        "digest": {
            "function_hash": "147800826807688019799429122497523590093",
            "length": 1154.0
        }
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c",
            "function": "mptctl_gettargetinfo"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Function",
        "id": "CVE-2020-12652-56c728fe",
        "deprecated": false,
        "digest": {
            "function_hash": "95443790454442169710411826401114314859",
            "length": 2283.0
        }
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Line",
        "id": "CVE-2020-12652-5740ba62",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "112502706992522314088524934952483668497",
                "206622269676354372746888011049832349826",
                "172419880338545849553295870017288527371",
                "248957149485274516850686674893990569421",
                "323259213856128044293288022941845289885",
                "115859342344437268431587245472485042921",
                "218712193996147760714575937569718608939",
                "213659321779962774641969385417257097276",
                "40337286060273503106023768133850557801",
                "266796919167495954265752474375355292366",
                "203942706861768924347846749680791078134",
                "70032286366869135924519328167553201574",
                "241643159649306271318152612942059746241",
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            "function_hash": "329494741393997818222153455841213497327",
            "length": 3792.0
        }
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c",
            "function": "mptctl_hp_hostinfo"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Function",
        "id": "CVE-2020-12652-bbe5bb98",
        "deprecated": false,
        "digest": {
            "function_hash": "186852523230348681261278270910059264851",
            "length": 5164.0
        }
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c",
            "function": "mptctl_eventreport"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Function",
        "id": "CVE-2020-12652-be1d0d49",
        "deprecated": false,
        "digest": {
            "function_hash": "285105243657162826046716479216008960671",
            "length": 1242.0
        }
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/message/fusion/mptctl.c",
            "function": "__mptctl_ioctl"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@28d76df18f0ad5bcf5fa48510b225f0ed262a99b",
        "signature_type": "Function",
        "id": "CVE-2020-12652-bf6c68b8",
        "deprecated": false,
        "digest": {
            "function_hash": "264499455664901591127429173942373744152",
            "length": 1748.0
        }
    }
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12652.json"