CVE-2023-3812
Estado: ModificadaAlta (7.8)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.34%
- Percentil entre todas las CVEs puntuadas: 26
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- CWE-787
- CWE-416, CWE-787
Referencias
- https://access.redhat.com/errata/RHSA-2023:6799
- https://access.redhat.com/errata/RHSA-2023:6813
- https://access.redhat.com/errata/RHSA-2023:7370
- https://access.redhat.com/errata/RHSA-2023:7379
- https://access.redhat.com/errata/RHSA-2023:7382
- https://access.redhat.com/errata/RHSA-2023:7389
- https://access.redhat.com/errata/RHSA-2023:7411
- https://access.redhat.com/errata/RHSA-2023:7418
- https://access.redhat.com/errata/RHSA-2023:7548
- https://access.redhat.com/errata/RHSA-2023:7549
- https://access.redhat.com/errata/RHSA-2023:7554
- https://access.redhat.com/errata/RHSA-2024:0340
- https://access.redhat.com/errata/RHSA-2024:0378
- https://access.redhat.com/errata/RHSA-2024:0412
- https://access.redhat.com/errata/RHSA-2024:0461
- https://access.redhat.com/errata/RHSA-2024:0554
- https://access.redhat.com/errata/RHSA-2024:0562
- https://access.redhat.com/errata/RHSA-2024:0563
- https://access.redhat.com/errata/RHSA-2024:0575
- https://access.redhat.com/errata/RHSA-2024:0593
- https://access.redhat.com/errata/RHSA-2024:1961
- https://access.redhat.com/errata/RHSA-2024:2006
- https://access.redhat.com/errata/RHSA-2024:2008
- https://access.redhat.com/security/cve/CVE-2023-3812
- https://bugzilla.redhat.com/show_bug.cgi?id=2224048
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0
- https://access.redhat.com/errata/RHSA-2023:6799
- https://access.redhat.com/errata/RHSA-2023:6813
- https://access.redhat.com/errata/RHSA-2023:7370
- https://access.redhat.com/errata/RHSA-2023:7379
- https://access.redhat.com/errata/RHSA-2023:7382
- https://access.redhat.com/errata/RHSA-2023:7389
- https://access.redhat.com/errata/RHSA-2023:7411
- https://access.redhat.com/errata/RHSA-2023:7418
- https://access.redhat.com/errata/RHSA-2023:7548
- https://access.redhat.com/errata/RHSA-2023:7549
- https://access.redhat.com/errata/RHSA-2023:7554
- https://access.redhat.com/errata/RHSA-2024:0340
- https://access.redhat.com/errata/RHSA-2024:0378
- https://access.redhat.com/errata/RHSA-2024:0412
- https://access.redhat.com/errata/RHSA-2024:0461
- https://access.redhat.com/errata/RHSA-2024:0554
- https://access.redhat.com/errata/RHSA-2024:0562
- https://access.redhat.com/errata/RHSA-2024:0563
- https://access.redhat.com/errata/RHSA-2024:0575
- https://access.redhat.com/errata/RHSA-2024:0593
- https://access.redhat.com/errata/RHSA-2024:1961
- https://access.redhat.com/errata/RHSA-2024:2006
- https://access.redhat.com/errata/RHSA-2024:2008
- https://access.redhat.com/security/cve/CVE-2023-3812
- https://bugzilla.redhat.com/show_bug.cgi?id=2224048
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0
JSON original (NVD)
Mostrar
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"published": "2023-07-24T16:15:13.337",
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