Vigie VulnDBEuropean-hosted Vulnerability DB
FR
Menu

CVE-2023-6546

Kernel: gsm multiplexing race condition leads to privilege escalation

HIGH 7.0

At a glance

Source
NVD
EPSS
EPSS 0.73 % · percentile 54 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Modified

Description

A race condition was found in the GSM 0710 tty multiplexor in the Linux kernel. This issue occurs when two threads execute the GSMIOC_SETCONF ioctl on the same tty file descriptor with the gsm line discipline enabled, and can lead to a use-after-free problem on a struct gsm_dlci while restarting the gsm mux. This could allow a local unprivileged user to escalate their privileges on the system.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hredhat
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · secalert@redhat.com (Secondary)
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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 0:4.18.0-513.24.1.rt7.326.el8_9 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:4.18.0-513.24.1.el8_9 < *
Red Hat · Red Hat Enterprise Linux 8
Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Supportunaffected 0:4.18.0-193.136.1.el8_2 < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 0:4.18.0-305.134.1.el8_4 < *
Red Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update Serviceunaffected 0:4.18.0-305.134.1.rt7.210.el8_4 < *
Red Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update Serviceunaffected 0:4.18.0-305.134.1.el8_4 < *
Red Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP Solutionsunaffected 0:4.18.0-305.134.1.el8_4 < *
Red Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Supportunaffected 0:4.18.0-372.93.1.el8_6 < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Supportunaffected 0:4.18.0-477.55.1.el8_8 < *
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support
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 0:5.14.0-70.93.2.el9_0 < *
Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Supportunaffected 0:5.14.0-70.93.1.rt21.165.el9_0 < *
Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Support
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Supportunaffected 0:5.14.0-284.55.1.el9_2 < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Supportunaffected 0:5.14.0-284.55.1.rt14.340.el9_2 < *

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