vulnerability
Alma Linux: CVE-2023-31083: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:M/Au:S/C:N/I:N/A:C) | Apr 24, 2023 | May 31, 2024 | Apr 17, 2026 |
Severity
4
CVSS
(AV:L/AC:M/Au:S/C:N/I:N/A:C)
Published
Apr 24, 2023
Added
May 31, 2024
Modified
Apr 17, 2026
Description
An issue was discovered in drivers/bluetooth/hci_ldisc.c in the Linux kernel 6.2. In hci_uart_tty_ioctl, there is a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO. HCI_UART_PROTO_SET is set before hu->proto is set. A NULL pointer dereference may occur.
Solutions
alma-upgrade-bpftoolalma-upgrade-kernelalma-upgrade-kernel-64kalma-upgrade-kernel-64k-corealma-upgrade-kernel-64k-debugalma-upgrade-kernel-64k-debug-corealma-upgrade-kernel-64k-debug-develalma-upgrade-kernel-64k-debug-devel-matchedalma-upgrade-kernel-64k-debug-modulesalma-upgrade-kernel-64k-debug-modules-corealma-upgrade-kernel-64k-debug-modules-extraalma-upgrade-kernel-64k-develalma-upgrade-kernel-64k-devel-matchedalma-upgrade-kernel-64k-modulesalma-upgrade-kernel-64k-modules-corealma-upgrade-kernel-64k-modules-extraalma-upgrade-kernel-abi-stablelistsalma-upgrade-kernel-corealma-upgrade-kernel-cross-headersalma-upgrade-kernel-debugalma-upgrade-kernel-debug-corealma-upgrade-kernel-debug-develalma-upgrade-kernel-debug-devel-matchedalma-upgrade-kernel-debug-modulesalma-upgrade-kernel-debug-modules-corealma-upgrade-kernel-debug-modules-extraalma-upgrade-kernel-debug-uki-virtalma-upgrade-kernel-develalma-upgrade-kernel-devel-matchedalma-upgrade-kernel-docalma-upgrade-kernel-headersalma-upgrade-kernel-modulesalma-upgrade-kernel-modules-corealma-upgrade-kernel-modules-extraalma-upgrade-kernel-rtalma-upgrade-kernel-rt-corealma-upgrade-kernel-rt-debugalma-upgrade-kernel-rt-debug-corealma-upgrade-kernel-rt-debug-develalma-upgrade-kernel-rt-debug-kvmalma-upgrade-kernel-rt-debug-modulesalma-upgrade-kernel-rt-debug-modules-corealma-upgrade-kernel-rt-debug-modules-extraalma-upgrade-kernel-rt-develalma-upgrade-kernel-rt-kvmalma-upgrade-kernel-rt-modulesalma-upgrade-kernel-rt-modules-corealma-upgrade-kernel-rt-modules-extraalma-upgrade-kernel-toolsalma-upgrade-kernel-tools-libsalma-upgrade-kernel-tools-libs-develalma-upgrade-kernel-uki-virtalma-upgrade-kernel-zfcpdumpalma-upgrade-kernel-zfcpdump-corealma-upgrade-kernel-zfcpdump-develalma-upgrade-kernel-zfcpdump-devel-matchedalma-upgrade-kernel-zfcpdump-modulesalma-upgrade-kernel-zfcpdump-modules-corealma-upgrade-kernel-zfcpdump-modules-extraalma-upgrade-libperfalma-upgrade-perfalma-upgrade-python3-perfalma-upgrade-rtlaalma-upgrade-rv
References
- CVE-2023-31083
- https://attackerkb.com/topics/CVE-2023-31083
- CWE-362
- CWE-476
- EUVD-EUVD-2023-35412
- https://errata.almalinux.org/8/ALSA-2024-2950.html
- https://errata.almalinux.org/8/ALSA-2024-3138.html
- https://errata.almalinux.org/9/ALSA-2024-2394.html
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-35412
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.