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CVE-2023-1476
Vulnerability from cvelistv5
Published
2023-11-03 08:07
Modified
2024-08-02 05:49
Severity ?
EPSS score ?
Summary
Kpatch: mm/mremap.c: incomplete fix for cve-2022-41222
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
▼ | Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8::baseos |
|
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wid-sec-w-2023-2821
Vulnerability from csaf_certbund
Published
2023-11-02 23:00
Modified
2024-04-16 22:00
Summary
Linux Kernel: Mehrere Schwachstellen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Der Kernel stellt den Kern des Linux Betriebssystems dar.
Angriff
Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Informationen offenzulegen, Privilegien zu erweitern oder einen Denial of Service Zustand herbeizuführen.
Betroffene Betriebssysteme
- Linux
{ "document": { "aggregate_severity": { "text": "mittel" }, "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "de-DE", "notes": [ { "category": "legal_disclaimer", "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen." }, { "category": "description", "text": "Der Kernel stellt den Kern des Linux Betriebssystems dar.", "title": "Produktbeschreibung" }, { "category": "summary", "text": "Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Informationen offenzulegen, Privilegien zu erweitern oder einen Denial of Service Zustand herbeizuf\u00fchren.", "title": "Angriff" }, { "category": "general", "text": "- Linux", "title": "Betroffene Betriebssysteme" } ], "publisher": { "category": "other", "contact_details": "csaf-provider@cert-bund.de", "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik", "namespace": "https://www.bsi.bund.de" }, "references": [ { "category": "self", "summary": "WID-SEC-W-2023-2821 - CSAF Version", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2821.json" }, { "category": "self", "summary": "WID-SEC-2023-2821 - Portal Version", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2821" }, { "category": "external", "summary": "NIST Vulnerability Database vom 2023-11-02", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1194" }, { "category": "external", "summary": "NIST Vulnerability Database vom 2023-11-02", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1476" }, { "category": "external", "summary": "Ubuntu Security Notice USN-6725-1 vom 2024-04-09", "url": "https://ubuntu.com/security/notices/USN-6725-1" }, { "category": "external", "summary": "Ubuntu Security Notice USN-6725-2 vom 2024-04-16", "url": "https://ubuntu.com/security/notices/USN-6725-2" } ], "source_lang": "en-US", "title": "Linux Kernel: Mehrere Schwachstellen", "tracking": { "current_release_date": "2024-04-16T22:00:00.000+00:00", "generator": { "date": "2024-08-15T18:01:01.928+00:00", "engine": { "name": "BSI-WID", "version": "1.3.5" } }, "id": "WID-SEC-W-2023-2821", "initial_release_date": "2023-11-02T23:00:00.000+00:00", "revision_history": [ { "date": "2023-11-02T23:00:00.000+00:00", "number": "1", "summary": "Initiale Fassung" }, { "date": "2024-04-09T22:00:00.000+00:00", "number": "2", "summary": "Neue Updates von Ubuntu aufgenommen" }, { "date": "2024-04-16T22:00:00.000+00:00", "number": "3", "summary": "Neue Updates von Ubuntu aufgenommen" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_name", "name": "Open Source Linux Kernel", "product": { "name": "Open Source Linux Kernel", "product_id": "T030112", "product_identification_helper": { "cpe": "cpe:/o:linux:linux_kernel:-" } } } ], "category": "vendor", "name": "Open Source" }, { "branches": [ { "category": "product_name", "name": "Ubuntu Linux", "product": { "name": "Ubuntu Linux", "product_id": "T000126", "product_identification_helper": { "cpe": "cpe:/o:canonical:ubuntu_linux:-" } } } ], "category": "vendor", "name": "Ubuntu" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-1194", "notes": [ { "category": "description", "text": "Es existiert eine Schwachstelle im Linux Kernel. Diese ist auf einen Out-of-Bounds-Lesefehler in der KSMBD Implementierung zur\u00fcckzuf\u00fchren. Ein entfernter, authentisierter Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen." } ], "product_status": { "known_affected": [ "T030112", "T000126" ] }, "release_date": "2023-11-02T23:00:00.000+00:00", "title": "CVE-2023-1194" }, { "cve": "CVE-2023-1476", "notes": [ { "category": "description", "text": "Es existiert eine Schwachstelle im Linux Kernel. Diese ist auf einen Use-after-Free-Fehler in\"mm/mremap\" zur\u00fcckzuf\u00fchren. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern oder einen Denial of Service Zustand herbeizuf\u00fchren." } ], "product_status": { "known_affected": [ "T030112", "T000126" ] }, "release_date": "2023-11-02T23:00:00.000+00:00", "title": "CVE-2023-1476" } ] }
rhsa-2023_1659
Vulnerability from csaf_redhat
Published
2023-04-05 14:08
Modified
2024-11-22 22:31
Summary
Red Hat Security Advisory: kpatch-patch security update
Notes
Topic
An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.
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
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
Security Fix(es):
* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)
* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)
* kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)
* kpatch: mm/mremap.c: incomplete fix for CVE-2022-41222 (CVE-2023-1476)
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.
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.
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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": "This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.\n\nSecurity Fix(es):\n\n* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)\n\n* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)\n\n* kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)\n\n* kpatch: mm/mremap.c: incomplete fix for CVE-2022-41222 (CVE-2023-1476)\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.", "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-2023:1659", "url": "https://access.redhat.com/errata/RHSA-2023:1659" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2152548", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2152548" }, { "category": "external", "summary": "2159505", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2159505" }, { "category": "external", "summary": "2163379", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2163379" }, { "category": "external", "summary": "2176035", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2176035" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_1659.json" } ], "title": "Red Hat Security Advisory: kpatch-patch security update", "tracking": { "current_release_date": "2024-11-22T22:31:08+00:00", "generator": { "date": "2024-11-22T22:31:08+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2023:1659", "initial_release_date": "2023-04-05T14:08:58+00:00", "revision_history": [ { "date": "2023-04-05T14:08:58+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-04-05T14:08:58+00:00", "number": "2", "summary": "Last updated version" }, { "date": 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E. Shaw Group" ] } ], "cve": "CVE-2023-0386", "cwe": { "id": "CWE-282", "name": "Improper Ownership Management" }, "discovery_date": "2022-12-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2159505" } ], "notes": [ { "category": "description", "text": "A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel\u2019s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: FUSE filesystem low-privileged user privileges escalation", "title": "Vulnerability summary" }, { "category": "other", "text": "The Red Hat Enterprise Linux 8.4 and before not affected, because the patch that introduced the bug exists starting from 8.6.", "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": [ "BaseOS-8.7.0.Z.MAIN:kpatch-patch-4_18_0-425_10_1-0:1-4.el8_7.ppc64le", "BaseOS-8.7.0.Z.MAIN:kpatch-patch-4_18_0-425_10_1-0:1-4.el8_7.src", "BaseOS-8.7.0.Z.MAIN:kpatch-patch-4_18_0-425_10_1-0:1-4.el8_7.x86_64", 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gsd-2023-1476
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2023-1476", "id": "GSD-2023-1476" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2023-1476" ], "details": "A use-after-free flaw was found in the Linux kernel\u2019s mm/mremap memory address space accounting source code. 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ghsa-rccq-5462-rgcj
Vulnerability from github
Published
2023-11-03 09:32
Modified
2023-11-13 18:30
Severity ?
Details
A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.
{ "affected": [], "aliases": [ "CVE-2023-1476" ], "database_specific": { "cwe_ids": [ "CWE-416" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2023-11-03T09:15:13Z", "severity": "HIGH" }, "details": "A use-after-free flaw was found in the Linux kernel\u2019s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.", "id": "GHSA-rccq-5462-rgcj", "modified": "2023-11-13T18:30:58Z", "published": "2023-11-03T09:32:49Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1476" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:1659" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2023-1476" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2176035" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- 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.