CVE-2023-3812 (GCVE-0-2023-3812)
Vulnerability from cvelistv5
Published
2023-07-24 15:19
Modified
2026-02-26 20:27
CWE
Summary
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.
References
https://access.redhat.com/errata/RHSA-2023:6799 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6813 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7370 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7379 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7382 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7389 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7411 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7418 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7548 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7549 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7554 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0340 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0378 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0412 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0461 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0554 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0562 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0563 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0575 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0593 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1961 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2006 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2008 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-3812 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2224048 issue-tracking, x_refsource_REDHAT
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-513.9.1.rt7.311.el8_9   < *
    cpe:/a:redhat:enterprise_linux:8::nfv
    cpe:/a:redhat:enterprise_linux:8::realtime
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-513.9.1.el8_9   < *
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::crb
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   Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8::baseos
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   Red Hat Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions     cpe:/o:redhat:rhel_e4s:8.1::baseos
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   Red Hat Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Unaffected: 0:4.18.0-147.94.1.el8_1   < *
    cpe:/o:redhat:rhel_e4s:8.1::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:4.18.0-193.133.1.el8_2   < *
    cpe:/o:redhat:rhel_e4s:8.2::baseos
    cpe:/o:redhat:rhel_aus:8.2::baseos
    cpe:/o:redhat:rhel_tus:8.2::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service Unaffected: 0:4.18.0-193.133.1.rt13.184.el8_2   < *
    cpe:/a:redhat:rhel_tus:8.2::realtime
    cpe:/a:redhat:rhel_tus:8.2::nfv
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service Unaffected: 0:4.18.0-193.133.1.el8_2   < *
    cpe:/o:redhat:rhel_e4s:8.2::baseos
    cpe:/o:redhat:rhel_aus:8.2::baseos
    cpe:/o:redhat:rhel_tus:8.2::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions     cpe:/o:redhat:rhel_e4s:8.2::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Unaffected: 0:4.18.0-193.133.1.el8_2   < *
    cpe:/o:redhat:rhel_e4s:8.2::baseos
    cpe:/o:redhat:rhel_aus:8.2::baseos
    cpe:/o:redhat:rhel_tus:8.2::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:4.18.0-305.120.1.el8_4   < *
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_e4s:8.4::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 0:4.18.0-305.120.1.rt7.196.el8_4   < *
    cpe:/a:redhat:rhel_tus:8.4::nfv
    cpe:/a:redhat:rhel_tus:8.4::realtime
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 0:4.18.0-305.120.1.el8_4   < *
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_e4s:8.4::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 0:4.18.0-305.120.1.el8_4   < *
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_e4s:8.4::baseos
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   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions     cpe:/o:redhat:rhel_e4s:8.4::baseos
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   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support     cpe:/o:redhat:rhel_eus:8.6::baseos
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   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 0:4.18.0-372.87.1.el8_6   < *
    cpe:/o:redhat:rhel_eus:8.6::baseos
    cpe:/a:redhat:rhel_eus:8.6::crb
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
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   Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support     cpe:/o:redhat:rhel_eus:8.8::baseos
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   Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 0:4.18.0-477.43.1.el8_8   < *
    cpe:/a:redhat:rhel_eus:8.8::crb
    cpe:/o:redhat:rhel_eus:8.8::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-362.18.1.el9_3   < *
    cpe:/a:redhat:enterprise_linux:9::realtime
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::nfv
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-362.18.1.el9_3   < *
    cpe:/a:redhat:enterprise_linux:9::realtime
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::nfv
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 0:5.14.0-70.80.1.el9_0   < *
    cpe:/o:redhat:rhel_eus:9.0::baseos
    cpe:/a:redhat:rhel_eus:9.0::crb
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 0:5.14.0-70.80.1.rt21.151.el9_0   < *
    cpe:/a:redhat:rhel_eus:9.0::realtime
    cpe:/a:redhat:rhel_eus:9.0::nfv
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support     cpe:/o:redhat:rhel_eus:9.0::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:5.14.0-284.40.1.el9_2   < *
    cpe:/a:redhat:rhel_eus:9.2::crb
    cpe:/o:redhat:rhel_eus:9.2::baseos
    cpe:/a:redhat:rhel_eus:9.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:5.14.0-284.40.1.rt14.325.el9_2   < *
    cpe:/a:redhat:rhel_eus:9.2::realtime
    cpe:/a:redhat:rhel_eus:9.2::nfv
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support     cpe:/o:redhat:rhel_eus:9.2::baseos
Create a notification for this product.
   Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-372.87.1.el8_6   < *
    cpe:/o:redhat:rhel_eus:8.6::baseos
    cpe:/a:redhat:rhel_eus:8.6::crb
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
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   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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   Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
Create a notification for this product.
Show details on NVD website


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Tags
Taxonomy of the tags.


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.


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