RHSA-2021:1071
Vulnerability from csaf_opensuse - Published: 2021-04-06 00:00 - Updated: 2026-09-20 11:13Summary
security update for kernel
Severity
Important
Notes
Title of the patch: security update for kernel
Description of the patch: This security update provides a functional equivalent of RHSA-2021:1071.
The original Red Hat(R) advisory is available from the Red Hat web site at
https://access.redhat.com/errata/RHSA-2021:1071.
Patchnames: RHSA-2021:1071
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.1 (High)
Affected products
Recommended
13 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Liberty Linux 7:bpftool-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-abi-whitelists-0:3.10.0-1160.24.1.el7.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-debug-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-debug-devel-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-devel-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-doc-0:3.10.0-1160.24.1.el7.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-headers-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-tools-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-tools-libs-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:kernel-tools-libs-devel-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:perf-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 7:python-perf-0:3.10.0-1160.24.1.el7.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.1 (High)
Affected products
Recommended
13 products, the same list as for
CVE-2021-27363
Threats
Impact
important
Affected products
Recommended
13 products, the same list as for
CVE-2021-27363
Threats
Impact
important
References
24 references
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"text": "An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address of the iscsi_transport structure. When an iSCSI transport is registered with the iSCSI subsystem, the transport\u0027s handle is available to unprivileged users via the sysfs file system, at /sys/class/iscsi_transport/$TRANSPORT_NAME/handle. When read, the show_transport_handle function (in drivers/scsi/scsi_transport_iscsi.c) is called, which leaks the handle. This handle is actually the pointer to an iscsi_transport struct in the kernel module\u0027s global variables.",
"title": "CVE description"
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"summary": "SUSE Bug 1200084 for CVE-2021-27363",
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}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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{
"cvss_v3": {
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
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}
],
"threats": [
{
"category": "impact",
"date": "2021-04-06T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2021-27363"
},
{
"cve": "CVE-2021-27364",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2021-27364"
}
],
"notes": [
{
"category": "general",
"text": "An issue was discovered in the Linux kernel through 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected by the ability of an unprivileged user to craft Netlink messages.",
"title": "CVE description"
}
],
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"scores": [
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"version": "3.1"
},
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}
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"category": "general",
"text": "An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.",
"title": "CVE description"
}
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"threats": [
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"details": "important"
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],
"title": "CVE-2021-27365"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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