The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393). - CVE-2021-30002: Fixed a memory leak for large arguments in video_usercopy (bsc#1184120). - CVE-2021-29650: Fixed an issue where the netfilter subsystem allowed attackers to cause a denial of service (bsc#1184208). - CVE-2021-28972: Fixed a user-tolerable buffer overflow when writing a new device name to the driver from userspace, allowing userspace to write data to the kernel stack frame directly (bsc#1184198). - CVE-2021-28950: Fixed an infinite loop because a retry loop continually finds the same bad inode (bsc#1184194). - CVE-2021-27365: Fixed an issue where an unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message (bsc#1182715). - CVE-2021-27364: Fixed an issue where an attacker could craft Netlink messages (bsc#1182717). - CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure (bsc#1182716). - CVE-2021-20261: Fixed a race condition in the implementation of the floppy disk drive controller driver software (bsc#1183400). - CVE-2020-36322: Fixed an issue in the FUSE filesystem implementation which could have caused a system crash (bsc#1184211). - CVE-2020-35519: Fixed an out-of-bounds memory access was found in x25_bind (bsc#1183696).
The following non-security bugs were fixed:
- md: md.c: Return -ENODEV when mddev is NULL in rdev_attr_show (bsc#1056134, bsc#1180963).
openSUSE Leap 42.3 SUSE Linux Enterprise Desktop 11 SP2 SUSE Linux Enterprise Desktop 11 SP3 SUSE Linux Enterprise Desktop 11 SP4 SUSE Linux Enterprise Desktop 12 SUSE Linux Enterprise Desktop 12 SP1 SUSE Linux Enterprise Desktop 12 SP2 SUSE Linux Enterprise Desktop 12 SP3 SUSE Linux Enterprise Desktop 12 SP4 SUSE Linux Enterprise Module for Basesystem 15 SUSE Linux Enterprise Module for Basesystem 15 SP1 SUSE Linux Enterprise Module for Containers 15 SUSE Linux Enterprise Module for Desktop Applications 15 SUSE Linux Enterprise Module for Desktop Applications 15 SP1 SUSE Linux Enterprise Module for Development Tools 15 SUSE Linux Enterprise Module for Development Tools 15 SP1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP1 SUSE Linux Enterprise Module for Public Cloud 15 SUSE Linux Enterprise Module for Server Applications 15 SUSE Linux Enterprise Module for Server Applications 15 SP1 SUSE Linux Enterprise Server 11 SP3 SUSE Linux Enterprise Server 11 SP3-CLIENT-TOOLS SUSE Linux Enterprise Server 11 SP3-LTSS SUSE Linux Enterprise Server 11 SP3-TERADATA SUSE Linux Enterprise Server 11 SP4-LTSS SUSE Linux Enterprise Server 12 SUSE Linux Enterprise Server 12 SP1 SUSE Linux Enterprise Server 12 SP1-LTSS SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server 12 SP2-ESPOS SUSE Linux Enterprise Server 12 SP2-LTSS SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3-BCL SUSE Linux Enterprise Server 12 SP3-ESPOS SUSE Linux Enterprise Server 12 SP3-LTSS SUSE Linux Enterprise Server 12 SP3-TERADATA SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 12-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP1 SUSE Linux Enterprise Server for SAP Applications 12 SP1-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP2-BCL SUSE Linux Enterprise Server for SAP Applications 12 SP2-ESPOS SUSE Linux Enterprise Server for SAP Applications 12 SP2-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP3-BCL SUSE Linux Enterprise Server for SAP Applications 12 SP3-ESPOS SUSE Linux Enterprise Server for SAP Applications 12 SP3-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP3-TERADATA SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12-LTSS SUSE Linux Enterprise Workstation Extension 12 SP1 SUSE Linux Enterprise Workstation Extension 12 SP2 SUSE Linux Enterprise Workstation Extension 12 SP3 SUSE Linux Enterprise Workstation Extension 12 SP4 SUSE Linux Enterprise Workstation Extension 12 SP5 SUSE Linux Enterprise Workstation Extension 15 SUSE OpenStack Cloud 5 SUSE OpenStack Cloud 6 SUSE OpenStack Cloud 7 SUSE OpenStack Cloud Crowbar 8