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SUSE-SU-2023:0407-1 Not scored

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-47929: Fixed NULL pointer dereference bug in the traffic control subsystem (bnc#1207237). - CVE-2023-23454: Fixed denial or service in cbq_classify in net/sched/sch_cbq.c (bnc#1207036). - CVE-2022-4662: Fixed incorrect access control in the USB core subsystem that could lead a local user to crash the system (bnc#1206664). - CVE-2022-3564: Fixed use-after-free in l2cap_core.c of the Bluetooth component (bnc#1206073). The following non-security bugs were fixed: - Added support for enabling livepatching related packages on -RT (jsc#PED-1706). - Added suse-kernel-rpm-scriptlets to kmp buildreqs (boo#1205149). - Reverted 'constraints: increase disk space for all architectures' (bsc#1203693). - HID: betop: check shape of output reports (bsc#1207186). - HID: betop: fix slab-out-of-bounds Write in betop_probe (bsc#1207186). - HID: check empty report_list in hid_validate_values() (bsc#1206784). - net: sched: atm: dont intepret cls results when asked to drop (bsc#1207036). - net: sched: cbq: dont intepret cls results when asked to drop (bsc#1207036). - sctp: fail if no bound addresses can be used for a given scope (bsc#1206677).

Exploit probability Not scored
Published February 14, 2023
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise High Availability Extension 12 SP4 kernel-default
SUSE:Linux Enterprise Live Patching 12 SP4 kernel-default
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_33
SUSE:Linux Enterprise Server 12 SP4-LTSS kernel-default
SUSE:Linux Enterprise Server 12 SP4-LTSS kernel-source
SUSE:Linux Enterprise Server 12 SP4-LTSS kernel-syms
SUSE:Linux Enterprise Server for SAP Applications 12 SP4 kernel-default
SUSE:Linux Enterprise Server for SAP Applications 12 SP4 kernel-source
SUSE:Linux Enterprise Server for SAP Applications 12 SP4 kernel-syms
SUSE:OpenStack Cloud 9 kernel-default
SUSE:OpenStack Cloud 9 kernel-source
SUSE:OpenStack Cloud 9 kernel-syms
SUSE:OpenStack Cloud Crowbar 9 kernel-default
SUSE:OpenStack Cloud Crowbar 9 kernel-source
SUSE:OpenStack Cloud Crowbar 9 kernel-syms

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2023:0407-1

The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-47929: Fixed NULL pointer dereference bug in the traffic control subsystem (bnc#1207237). - CVE-2023-23454: Fixed denial or service in cbq_classify in net/sched/sch_cbq.c (bnc#1207036). - CVE-2022-4662: Fixed incorrect access control in the USB core subsystem that could lead a local user to crash the system (bnc#1206664). - CVE-2022-3564: Fixed use-after-free in l2cap_core.c of the Bluetooth component (bnc#1206073). The following non-security bugs were fixed: - Added support for enabling livepatching related packages on -RT (jsc#PED-1706). - Added suse-kernel-rpm-scriptlets to kmp buildreqs (boo#1205149). - Reverted 'constraints: increase disk space for all architectures' (bsc#1203693). - HID: betop: check shape of output reports (bsc#1207186). - HID: betop: fix slab-out-of-bounds Write in betop_probe (bsc#1207186). - HID: check empty report_list in hid_validate_values() (bsc#1206784). - net: sched: atm: dont intepret cls results when asked to drop (bsc#1207036). - net: sched: cbq: dont intepret cls results when asked to drop (bsc#1207036). - sctp: fail if no bound addresses can be used for a given scope (bsc#1206677).

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05 / REFERENCES

Further evidence