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CVE-2023-3567

Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race

HIGH 7.1

At a glance

Source
NVD
EPSS
EPSS 0.42 % · percentile 36 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Modified

Description

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Hredhat
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HNVD · secalert@redhat.com (Secondary)
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Red Hat · Red Hat Enterprise Linux 8unaffected 0:4.18.0-553.rt7.342.el8_10 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:4.18.0-553.el8_10 < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Supportunaffected 0:4.18.0-372.87.1.el8_6 < *
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Supportunaffected 0:4.18.0-477.43.1.el8_8 < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:5.14.0-427.13.1.el9_4 < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:5.14.0-427.13.1.el9_4 < *
Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Supportunaffected 0:5.14.0-70.85.1.el9_0 < *
Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Supportunaffected 0:5.14.0-70.85.1.rt21.156.el9_0 < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Supportunaffected 0:5.14.0-284.48.1.el9_2 < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Supportunaffected 0:5.14.0-284.48.1.rt14.333.el9_2 < *
Red Hat · Red Hat Virtualization 4 for Red Hat Enterprise Linux 8unaffected 0:4.18.0-372.87.1.el8_6 < *
Red Hat · Red Hat Enterprise Linux 6
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 9

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD