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SUSE-SU-2023:2443-1 Not scored

Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-150400_24_33 fixes several issues. The following security issues were fixed: - CVE-2023-28464: Fixed user-after-free that could lead to privilege escalation in hci_conn_cleanup in net/uetooth/hci_conn.c (bsc#1211111). - CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500). - CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499). - CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683). - CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662). - CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911). - CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).

Exploit probability Not scored
Published June 7, 2023
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_5

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2023:2443-1

This update for the Linux Kernel 5.14.21-150400_24_33 fixes several issues. The following security issues were fixed: - CVE-2023-28464: Fixed user-after-free that could lead to privilege escalation in hci_conn_cleanup in net/uetooth/hci_conn.c (bsc#1211111). - CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500). - CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499). - CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683). - CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662). - CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911). - CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).

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05 / REFERENCES

Further evidence