rhsa-2023_0979
Vulnerability from csaf_redhat
Published
2023-02-28 09:54
Modified
2024-11-06 02:30
Summary
Red Hat Security Advisory: kernel-rt security and bug fix update
Notes
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)
* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)
* kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379)
* kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan (CVE-2023-0179)
* kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* kernel-rt: update RT source tree to the latest RHEL-9.1.z2 Batch (BZ#2160463)
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for kernel-rt is now available for Red Hat Enterprise Linux 9.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)\n\n* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)\n\n* kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379)\n\n* kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan (CVE-2023-0179)\n\n* kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel-rt: update RT source tree to the latest RHEL-9.1.z2 Batch (BZ#2160463)", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2023:0979", "url": "https://access.redhat.com/errata/RHSA-2023:0979" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2119048", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2119048" }, { "category": "external", "summary": "2150999", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2150999" }, { "category": "external", "summary": "2152548", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2152548" }, { "category": "external", "summary": "2152807", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2152807" }, { "category": "external", "summary": "2161713", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2161713" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_0979.json" } ], "title": "Red Hat Security Advisory: kernel-rt security and bug fix update", "tracking": { "current_release_date": "2024-11-06T02:30:57+00:00", "generator": { "date": "2024-11-06T02:30:57+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2023:0979", "initial_release_date": "2023-02-28T09:54:16+00:00", "revision_history": [ { "date": "2023-02-28T09:54:16+00:00", "number": "1", "summary": "Initial version" }, { 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Linux kernel Intel\u2019s iSMT SMBus host controller driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input data. This flaw allows a local user to crash the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: an out-of-bounds vulnerability in i2c-ismt driver", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "NFV-9.1.0.Z.MAIN:kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1.src", "NFV-9.1.0.Z.MAIN:kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-core-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-debug-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-debug-core-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-debug-debuginfo-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", 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This flaw allows a local or bluetooth connection user to crash the system or potentially escalate privileges.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue is rated between Moderate and Important (similar to the CVE-2022-45934) because of no known attack, and the attack would be complex. Anyway, consider this CVE-2022-3564 as Important because the use-after-free can potentially lead to privilege escalation or a potential remote system crash (and currently, a read after-free that in most cases would not lead to a remote system crash).", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "NFV-9.1.0.Z.MAIN:kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1.src", "NFV-9.1.0.Z.MAIN:kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-core-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-debug-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-debug-core-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", 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This flaw allows an attacker to conduct a remote denial of service.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "NFV-9.1.0.Z.MAIN:kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1.src", "NFV-9.1.0.Z.MAIN:kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-core-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-debug-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-debug-core-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", 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Overflow or Wraparound" }, "discovery_date": "2023-01-17T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2161713" } ], "notes": [ { "category": "description", "text": "A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to the root user via arbitrary code execution.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "NFV-9.1.0.Z.MAIN:kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1.src", "NFV-9.1.0.Z.MAIN:kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-core-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", "NFV-9.1.0.Z.MAIN:kernel-rt-debug-0:5.14.0-162.18.1.rt21.181.el9_1.x86_64", 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"category": "impact", "details": "Important" } ], "title": "kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan" } ] }
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- 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.