gsd-2018-20856
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2018-20856",
"description": "An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.",
"id": "GSD-2018-20856",
"references": [
"https://www.suse.com/security/cve/CVE-2018-20856.html",
"https://www.debian.org/security/2019/dsa-4497",
"https://access.redhat.com/errata/RHSA-2020:0698",
"https://access.redhat.com/errata/RHSA-2020:0664",
"https://access.redhat.com/errata/RHSA-2020:0543",
"https://access.redhat.com/errata/RHSA-2020:0103",
"https://access.redhat.com/errata/RHSA-2020:0100",
"https://access.redhat.com/errata/RHSA-2019:3217",
"https://access.redhat.com/errata/RHSA-2019:3089",
"https://access.redhat.com/errata/RHSA-2019:3076",
"https://access.redhat.com/errata/RHSA-2019:3055",
"https://ubuntu.com/security/CVE-2018-20856",
"https://alas.aws.amazon.com/cve/html/CVE-2018-20856.html",
"https://linux.oracle.com/cve/CVE-2018-20856.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2018-20856"
],
"details": "An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.",
"id": "GSD-2018-20856",
"modified": "2023-12-13T01:22:29.498394Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2018-20856",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7",
"refsource": "MISC",
"url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7"
},
{
"name": "https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24",
"refsource": "MISC",
"url": "https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24"
},
{
"name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24",
"refsource": "MISC",
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24"
},
{
"name": "USN-4094-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/4094-1/"
},
{
"name": "20190813 [SECURITY] [DSA 4497-1] linux security update",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Aug/18"
},
{
"name": "DSA-4497",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2019/dsa-4497"
},
{
"name": "20190814 [slackware-security] Slackware 14.2 kernel (SSA:2019-226-01)",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Aug/26"
},
{
"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"
},
{
"name": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
},
{
"name": "USN-4116-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/4116-1/"
},
{
"name": "USN-4118-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/4118-1/"
},
{
"name": "https://security.netapp.com/advisory/ntap-20190905-0002/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20190905-0002/"
},
{
"name": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html"
},
{
"name": "https://support.f5.com/csp/article/K14673240?utm_source=f5support\u0026amp;utm_medium=RSS",
"refsource": "CONFIRM",
"url": "https://support.f5.com/csp/article/K14673240?utm_source=f5support\u0026amp;utm_medium=RSS"
},
{
"name": "RHSA-2019:3076",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3076"
},
{
"name": "RHSA-2019:3055",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3055"
},
{
"name": "RHSA-2019:3089",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3089"
},
{
"name": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
},
{
"name": "RHSA-2019:3217",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3217"
},
{
"name": "RHSA-2020:0100",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2020:0100"
},
{
"name": "RHSA-2020:0103",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2020:0103"
},
{
"name": "RHSA-2020:0543",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2020:0543"
},
{
"name": "RHSA-2020:0664",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2020:0664"
},
{
"name": "RHSA-2020:0698",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2020:0698"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "4.18.7",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2018-20856"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24"
},
{
"name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24",
"refsource": "MISC",
"tags": [
"Mailing List",
"Patch",
"Vendor Advisory"
],
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24"
},
{
"name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7",
"refsource": "MISC",
"tags": [
"Mailing List",
"Release Notes",
"Vendor Advisory"
],
"url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7"
},
{
"name": "USN-4094-1",
"refsource": "UBUNTU",
"tags": [],
"url": "https://usn.ubuntu.com/4094-1/"
},
{
"name": "DSA-4497",
"refsource": "DEBIAN",
"tags": [],
"url": "https://www.debian.org/security/2019/dsa-4497"
},
{
"name": "20190813 [SECURITY] [DSA 4497-1] linux security update",
"refsource": "BUGTRAQ",
"tags": [],
"url": "https://seclists.org/bugtraq/2019/Aug/18"
},
{
"name": "20190814 [slackware-security] Slackware 14.2 kernel (SSA:2019-226-01)",
"refsource": "BUGTRAQ",
"tags": [],
"url": "https://seclists.org/bugtraq/2019/Aug/26"
},
{
"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security update",
"refsource": "MLIST",
"tags": [],
"url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"
},
{
"name": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html",
"refsource": "MISC",
"tags": [],
"url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
},
{
"name": "USN-4116-1",
"refsource": "UBUNTU",
"tags": [],
"url": "https://usn.ubuntu.com/4116-1/"
},
{
"name": "USN-4118-1",
"refsource": "UBUNTU",
"tags": [],
"url": "https://usn.ubuntu.com/4118-1/"
},
{
"name": "https://security.netapp.com/advisory/ntap-20190905-0002/",
"refsource": "CONFIRM",
"tags": [],
"url": "https://security.netapp.com/advisory/ntap-20190905-0002/"
},
{
"name": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html",
"refsource": "MISC",
"tags": [],
"url": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html"
},
{
"name": "https://support.f5.com/csp/article/K14673240?utm_source=f5support\u0026amp;utm_medium=RSS",
"refsource": "CONFIRM",
"tags": [],
"url": "https://support.f5.com/csp/article/K14673240?utm_source=f5support\u0026amp;utm_medium=RSS"
},
{
"name": "RHSA-2019:3055",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2019:3055"
},
{
"name": "RHSA-2019:3076",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2019:3076"
},
{
"name": "RHSA-2019:3089",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2019:3089"
},
{
"name": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html",
"refsource": "MISC",
"tags": [],
"url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
},
{
"name": "RHSA-2019:3217",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2019:3217"
},
{
"name": "RHSA-2020:0100",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2020:0100"
},
{
"name": "RHSA-2020:0103",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2020:0103"
},
{
"name": "RHSA-2020:0543",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2020:0543"
},
{
"name": "RHSA-2020:0664",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2020:0664"
},
{
"name": "RHSA-2020:0698",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2020:0698"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2019-08-13T19:15Z",
"publishedDate": "2019-07-26T05:15Z"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.