SUSE-SU-2021:2067-1
Vulnerability from csaf_suse - Published: 2021-06-18 09:40 - Updated: 2021-06-18 09:40Summary
Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP2)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP2)
Description of the patch: This update for the Linux Kernel 5.3.18-24_61 fixes several issues.
The following issues were fixed:
- CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111).
- CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060).
- CVE-2021-32399: Fixed a race condition when removing the HCI controller (bnc#1184611).
- Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).
Patchnames: SUSE-2021-2067,SUSE-SLE-Live-Patching-12-SP5-2021-2067,SUSE-SLE-Module-Live-Patching-15-SP2-2021-2028
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.8 (High)
Affected products
Recommended
6 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.4 (High)
Affected products
Recommended
6 products, the same list as for
CVE-2021-23134
Threats
Impact
important
7.7 (High)
Affected products
Recommended
6 products, the same list as for
CVE-2021-23134
Threats
Impact
important
References
25 references
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"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2021-33034",
"url": "https://www.suse.com/security/cve/CVE-2021-33034"
},
{
"category": "external",
"summary": "SUSE Bug 1186111 for CVE-2021-33034",
"url": "https://bugzilla.suse.com/1186111"
},
{
"category": "external",
"summary": "SUSE Bug 1186285 for CVE-2021-33034",
"url": "https://bugzilla.suse.com/1186285"
}
],
"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",
"product_ids": [
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1.x86_64",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1.s390x",
"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1.x86_64",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2021-06-18T09:40:57Z",
"details": "important"
}
],
"title": "CVE-2021-33034"
}
]
}
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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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