CVE-2018-20856 (GCVE-0-2018-20856)
Vulnerability from cvelistv5 – Published: 2019-07-26 04:40 – Updated: 2024-08-05 12:12
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T12:12:29.597Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24"
},
{
"name": "USN-4094-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "https://usn.ubuntu.com/4094-1/"
},
{
"name": "20190813 [SECURITY] [DSA 4497-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ",
"x_transferred"
],
"url": "https://seclists.org/bugtraq/2019/Aug/18"
},
{
"name": "DSA-4497",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2019/dsa-4497"
},
{
"name": "20190814 [slackware-security] Slackware 14.2 kernel (SSA:2019-226-01)",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ",
"x_transferred"
],
"url": "https://seclists.org/bugtraq/2019/Aug/26"
},
{
"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
},
{
"name": "USN-4116-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "https://usn.ubuntu.com/4116-1/"
},
{
"name": "USN-4118-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "https://usn.ubuntu.com/4118-1/"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20190905-0002/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://support.f5.com/csp/article/K14673240?utm_source=f5support\u0026amp%3Butm_medium=RSS"
},
{
"name": "RHSA-2019:3076",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:3076"
},
{
"name": "RHSA-2019:3055",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:3055"
},
{
"name": "RHSA-2019:3089",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:3089"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
},
{
"name": "RHSA-2019:3217",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:3217"
},
{
"name": "RHSA-2020:0100",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0100"
},
{
"name": "RHSA-2020:0103",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0103"
},
{
"name": "RHSA-2020:0543",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0543"
},
{
"name": "RHSA-2020:0664",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0664"
},
{
"name": "RHSA-2020:0698",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0698"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2020-03-03T20:05:59.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24"
},
{
"name": "USN-4094-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "https://usn.ubuntu.com/4094-1/"
},
{
"name": "20190813 [SECURITY] [DSA 4497-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Aug/18"
},
{
"name": "DSA-4497",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2019/dsa-4497"
},
{
"name": "20190814 [slackware-security] Slackware 14.2 kernel (SSA:2019-226-01)",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Aug/26"
},
{
"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
},
{
"name": "USN-4116-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "https://usn.ubuntu.com/4116-1/"
},
{
"name": "USN-4118-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "https://usn.ubuntu.com/4118-1/"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://security.netapp.com/advisory/ntap-20190905-0002/"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://support.f5.com/csp/article/K14673240?utm_source=f5support\u0026amp%3Butm_medium=RSS"
},
{
"name": "RHSA-2019:3076",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:3076"
},
{
"name": "RHSA-2019:3055",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:3055"
},
{
"name": "RHSA-2019:3089",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:3089"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
},
{
"name": "RHSA-2019:3217",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:3217"
},
{
"name": "RHSA-2020:0100",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0100"
},
{
"name": "RHSA-2020:0103",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0103"
},
{
"name": "RHSA-2020:0543",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0543"
},
{
"name": "RHSA-2020:0664",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0664"
},
{
"name": "RHSA-2020:0698",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2020:0698"
}
],
"x_legacyV4Record": {
"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"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2018-20856",
"datePublished": "2019-07-26T04:40:41.000Z",
"dateReserved": "2019-07-26T00:00:00.000Z",
"dateUpdated": "2024-08-05T12:12:29.597Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…