High RHSA-2024:4970 1 CVE

Red Hat Security Advisory: kpatch-patch-4_18_0-305_120_1 security update

Published Sep 14, 2024 · Updated Aug 7, 2026

Ecosystem: Red Hat

Fixed packages 3

Release	Package	Fixed in
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos	kpatch-patch-4_18_0-305_120_1	0:1-3.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos	kpatch-patch-4_18_0-305_120_1-debuginfo	0:1-3.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos	kpatch-patch-4_18_0-305_120_1-debugsource	0:1-3.el8_4

Vulnerabilities 1

High 7.0

CVE-2023-6546 Public exploit

Kernel: gsm multiplexing race condition leads to privilege escalation

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 …

Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux

Dec 21, 2023

References

article
https://access.redhat.com/security/updates/classification/#important
report
https://bugzilla.redhat.com/show_bug.cgi?id=2255498
advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_4970.json
report
https://access.redhat.com/security/cve/CVE-2023-6546
advisory
https://www.cve.org/CVERecord?id=CVE-2023-6546
advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-6546
article
https://github.com/torvalds/linux/commit/3c4f8333b582487a2d1e02171f1465531cde53e3
article
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20527