Vulnerability in Red Hat Enterprise Linux 6
CVE-2023-6546
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…
EPSS: 0.003 (56.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:4.18.0-513.24.1.rt7.326.el8_9, 0:4.18.0-513.24.1.el8_9
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 0:4.18.0-193.136.1.el8_2
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 0:4.18.0-305.134.1.el8_4
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service — versions 0:4.18.0-305.134.1.rt7.210.el8_4, 0:4.18.0-305.134.1.el8_4
- Red Hat Enterprise Linux 8.4 Update Services For Sap Solutions — versions 0:4.18.0-305.134.1.el8_4
- Red Hat Enterprise Linux 8.6 Extended Update Support — versions 0:4.18.0-372.93.1.el8_6
- Red Hat Enterprise Linux 8.8 Extended Update Support — versions 0:4.18.0-477.55.1.el8_8
- Red Hat Enterprise Linux 9 — versions 0:5.14.0-427.13.1.el9_4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- RHSA-2024:0930 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2024:0937 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2024:1018 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2024:1019 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2024:1055 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2024:1250 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2024:1253 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2024:1306 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2024:1607 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2024:1612 (vendor-advisory, x_refsource_REDHAT)
Frequently asked questions
- What is CVE-2023-6546?
- CVE-2023-6546 is a high-severity vulnerability in Red Hat Enterprise Linux 6, classified under Race Condition within a Thread. CVSS score: 7.0/10. Published 2023-12-21.
- How severe is CVE-2023-6546?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2023-6546 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.