FKIE_CVE-2023-3812

Vulnerability from fkie_nvd - Published: 2023-07-24 16:15 - Updated: 2026-06-17 06:14
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
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:6799Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:6813Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:7370Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:7379Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:7382Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:7389Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:7411Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:7418Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:7548Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:7549Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:7554Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0340
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0378
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0412
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0461
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0554
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0562
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0563
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0575
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0593
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1961
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2006
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2008
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-3812Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2224048Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0Patch
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:6799Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:6813Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7370Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7379Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7382Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7389Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7411Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7418Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7548Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7549Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7554Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0340
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0378
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0412
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0461
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0554
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0562
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0563
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0575
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0593
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:1961
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2006
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2008
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-3812Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2224048Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0Patch

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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

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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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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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