SUSE-SU-2023:1892-1

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    SUSE-SU-2023:1892-1

    Published: 6 Jul 2023Last Modified: 2 May 2025

    Summary: Security update for the Linux Kernel

    Details: The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208787). - CVE-2023-28772: Fixed buffer overflow in seq_buf_putmem_hex in lib/seq_buf.c (bsc#1209549). - CVE-2023-1513: Fixed an uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak (bsc#1209532). - CVE-2023-28464: Fixed use-after-free that could lead to privilege escalation in hci_conn_cleanup in net/bluetooth/hci_conn.c (bsc#1209052). - CVE-2023-0394: Fixed a null pointer dereference flaw in the network subcomponent in the Linux kernel which could lead to system crash (bsc#1207168). - CVE-2023-28466: Fixed race condition that could lead to use-after-free or NULL pointer dereference in do_tls_getsockopt in net/tls/tls_main.c (bsc#1209366). - CVE-2021-3923: Fixed stack information leak vulnerability that could lead to kernel protection bypass in infiniband RDMA (bsc#1209778). - CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc#1209289). - CVE-2022-4744: Fixed double-free that could lead to DoS or privilege escalation in TUN/TAP device driver functionality (bsc#1209635). - CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209634). - CVE-2023-1582: Fixed soft lockup in __page_mapcount (bsc#1209636). - CVE-2023-28327: Fixed DoS in in_skb in unix_diag_get_exact() (bsc#1209290). - CVE-2017-5753: Fixed spectre vulnerability in prlimit (bsc#1209256). - CVE-2023-1382: Fixed denial of service in tipc_conn_close (bsc#1209288). - CVE-2023-28328: Fixed a denial of service issue in az6027 driver in drivers/media/usb/dev-usb/az6027.c (bsc#1209291). - CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback (bsc#1208601). - CVE-2023-1075: Fixed a type confusion in tls_is_tx_ready (bsc#1208598). - CVE-2017-5753: Fixed spectre V1 vulnerability on netlink (bsc#1209547). The following non-security bugs were fixed: - ipv6: raw: Deduct extension header length in rawv6_push_pending_frames (bsc#1207168). - net: ena: optimize data access in fast-path code (bsc#1208137). - PCI: hv: Add a per-bus mutex state_lock (bsc#1209785). - PCI: hv: fix a race condition bug in hv_pci_query_relations() (bsc#1209785). - PCI: hv: Fix a race condition in hv_irq_unmask() that can cause panic (bsc#1209785). - PCI: hv: Remove the useless hv_pcichild_state from struct hv_pci_dev (bsc#1209785).

    References: https://www.suse.com/support/update/announcement/2023/suse-su-20231892-1/, https://bugzilla.suse.com/1207168, https://bugzilla.suse.com/1208137, https://bugzilla.suse.com/1208598, https://bugzilla.suse.com/1208601, https://bugzilla.suse.com/1208787, https://bugzilla.suse.com/1209052, https://bugzilla.suse.com/1209256, https://bugzilla.suse.com/1209288, https://bugzilla.suse.com/1209289, https://bugzilla.suse.com/1209290, https://bugzilla.suse.com/1209291, https://bugzilla.suse.com/1209366, https://bugzilla.suse.com/1209532, https://bugzilla.suse.com/1209547, https://bugzilla.suse.com/1209549, https://bugzilla.suse.com/1209634, https://bugzilla.suse.com/1209635, https://bugzilla.suse.com/1209636, https://bugzilla.suse.com/1209778, https://bugzilla.suse.com/1209785, https://www.suse.com/security/cve/CVE-2017-5753, https://www.suse.com/security/cve/CVE-2021-3923, https://www.suse.com/security/cve/CVE-2022-4744, https://www.suse.com/security/cve/CVE-2023-0394, https://www.suse.com/security/cve/CVE-2023-0461, https://www.suse.com/security/cve/CVE-2023-1075, https://www.suse.com/security/cve/CVE-2023-1078, https://www.suse.com/security/cve/CVE-2023-1281, https://www.suse.com/security/cve/CVE-2023-1382, https://www.suse.com/security/cve/CVE-2023-1390, https://www.suse.com/security/cve/CVE-2023-1513, https://www.suse.com/security/cve/CVE-2023-1582, https://www.suse.com/security/cve/CVE-2023-28327, https://www.suse.com/security/cve/CVE-2023-28328, https://www.suse.com/security/cve/CVE-2023-28464, https://www.suse.com/security/cve/CVE-2023-28466, https://www.suse.com/security/cve/CVE-2023-28772

    Affected packages

    Package

    Name: kernel-rt

    Purl: pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP3

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.3.18-150300.124.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    SUSE-SU-2023:1892-1 | CVE-DB