SUSE-SU-2024:1390-1
Vulnerability from csaf_suse - Published: 2024-04-22 21:06 - Updated: 2024-04-22 21:06Summary
Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP5)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP5)
Description of the patch: This update for the Linux Kernel 5.14.21-150500_55_28 fixes several issues.
The following security issues were fixed:
- CVE-2023-5717: Fixed a heap out-of-bounds write vulnerability in the Performance Events component (bsc#1216644).
- CVE-2024-26622: Fixed UAF write bug in tomoyo_write_control() (bsc#1220828).
- CVE-2024-1086: Fixed a use-after-free vulnerability inside the nf_tables component that could have been exploited to achieve local privilege escalation (bsc#1219435).
Patchnames: SUSE-2024-1387,SUSE-2024-1389,SUSE-2024-1390,SUSE-SLE-Module-Live-Patching-15-SP5-2024-1389
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
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_28-default-8-150500.2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_28-default-8-150500.2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_28-default-8-150500.2.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.8 (High)
Affected products
Recommended
3 products, the same list as for
CVE-2023-5717
Threats
Impact
important
7.8 (High)
Affected products
Recommended
3 products, the same list as for
CVE-2023-5717
Threats
Impact
important
References
27 references
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"text": "A heap out-of-bounds write vulnerability in the Linux kernel\u0027s Linux Kernel Performance Events (perf) component can be exploited to achieve local privilege escalation.\n\nIf perf_read_group() is called while an event\u0027s sibling_list is smaller than its child\u0027s sibling_list, it can increment or write to memory locations outside of the allocated buffer.\n\nWe recommend upgrading past commit 32671e3799ca2e4590773fd0e63aaa4229e50c06.",
"title": "CVE description"
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"text": "A use-after-free vulnerability in the Linux kernel\u0027s netfilter: nf_tables component can be exploited to achieve local privilege escalation.\n\nThe nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT.\n\nWe recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.",
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"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ntomoyo: fix UAF write bug in tomoyo_write_control()\n\nSince tomoyo_write_control() updates head-\u003ewrite_buf when write()\nof long lines is requested, we need to fetch head-\u003ewrite_buf after\nhead-\u003eio_sem is held. Otherwise, concurrent write() requests can\ncause use-after-free-write and double-free problems.",
"title": "CVE description"
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"products": [
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_28-default-8-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_28-default-8-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_28-default-8-150500.2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2024-04-22T21:06:02Z",
"details": "important"
}
],
"title": "CVE-2024-26622"
}
]
}
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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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