CVE-2023-6546 (GCVE-0-2023-6546)

Vulnerability from cvelistv5 – Published: 2023-12-21 20:01 – Updated: 2025-11-06 19:39
VLAI?
Title
Kernel: gsm multiplexing race condition leads to privilege escalation
Summary
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.
CWE
Assigner
References
https://access.redhat.com/errata/RHSA-2024:0930 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0937 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1018 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1019 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1055 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1250 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1253 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1306 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1607 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1612 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1614 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2093 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2394 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2621 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2697 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:4577 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:4729 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:4731 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:4970 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-6546 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2255498 issue-trackingx_refsource_REDHAT
https://github.com/torvalds/linux/commit/3c4f8333…
https://www.zerodayinitiative.com/advisories/ZDI-…
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-513.24.1.rt7.326.el8_9 , < * (rpm)
    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: 0:4.18.0-513.24.1.el8_9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::crb
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8::baseos
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    Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:4.18.0-193.136.1.el8_2 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.2::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:4.18.0-305.134.1.el8_4 , < * (rpm)
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_e4s:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 0:4.18.0-305.134.1.rt7.210.el8_4 , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.4::realtime
    cpe:/a:redhat:rhel_tus:8.4::nfv
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 0:4.18.0-305.134.1.el8_4 , < * (rpm)
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_e4s:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 0:4.18.0-305.134.1.el8_4 , < * (rpm)
    cpe:/o:redhat:rhel_tus:8.4::baseos
    cpe:/o:redhat:rhel_e4s:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions     cpe:/o:redhat:rhel_e4s:8.4::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 0:4.18.0-372.93.1.el8_6 , < * (rpm)
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
    cpe:/a:redhat:rhel_eus:8.6::crb
    cpe:/o:redhat:rhel_eus:8.6::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 8.8 Extended Update Support Unaffected: 0:4.18.0-477.55.1.el8_8 , < * (rpm)
    cpe:/o:redhat:rhel_eus:8.8::baseos
    cpe:/a:redhat:rhel_eus:8.8::crb
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support     cpe:/o:redhat:rhel_eus:8.8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-427.13.1.el9_4 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::nfv
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::realtime
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-427.13.1.el9_4 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::nfv
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::realtime
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 0:5.14.0-70.93.2.el9_0 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.0::crb
    cpe:/o:redhat:rhel_eus:9.0::baseos
    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: 0:5.14.0-70.93.1.rt21.165.el9_0 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.0::nfv
    cpe:/a:redhat:rhel_eus:9.0::realtime
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: 0:5.14.0-284.55.1.el9_2 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.2::appstream
    cpe:/o:redhat:rhel_eus:9.2::baseos
    cpe:/a:redhat:rhel_eus:9.2::crb
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:5.14.0-284.55.1.rt14.340.el9_2 , < * (rpm)
    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
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    Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-372.93.1.el8_6 , < * (rpm)
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
    cpe:/a:redhat:rhel_eus:8.6::crb
    cpe:/o:redhat:rhel_eus:8.6::baseos
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    Red Hat RHOL-5.7-RHEL-8 Unaffected: v5.7.13-16 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
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    Red Hat RHOL-5.7-RHEL-8 Unaffected: v5.7.13-7 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
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    Red Hat RHOL-5.7-RHEL-8 Unaffected: v6.8.1-408 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v5.7.13-19 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v1.0.0-480 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v5.7.13-9 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v0.4.0-248 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v1.14.6-215 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v6.8.1-431 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v1.1.0-228 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v5.8.1-471 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v2.9.6-15 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v5.7.13-3 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v5.7.13-27 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v5.7.13-12 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v0.1.0-527 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v0.1.0-225 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat RHOL-5.7-RHEL-8 Unaffected: v0.28.1-57 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    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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