SUSE-SU-2021:14724-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:14724-1

    SUSE-SU-2021:14724-1

    Published: 12 May 2021Last Modified: 4 Feb 2026

    Summary: Security update for the Linux Kernel

    Details: 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).

    References: https://www.suse.com/support/update/announcement/2021/suse-su-202114724-1/, https://bugzilla.suse.com/1056134, https://bugzilla.suse.com/1180963, https://bugzilla.suse.com/1182715, https://bugzilla.suse.com/1182716, https://bugzilla.suse.com/1182717, https://bugzilla.suse.com/1183400, https://bugzilla.suse.com/1183696, https://bugzilla.suse.com/1184120, https://bugzilla.suse.com/1184194, https://bugzilla.suse.com/1184198, https://bugzilla.suse.com/1184208, https://bugzilla.suse.com/1184211, https://bugzilla.suse.com/1184393, https://www.suse.com/security/cve/CVE-2020-35519, https://www.suse.com/security/cve/CVE-2020-36322, https://www.suse.com/security/cve/CVE-2021-20261, https://www.suse.com/security/cve/CVE-2021-27363, https://www.suse.com/security/cve/CVE-2021-27364, https://www.suse.com/security/cve/CVE-2021-27365, https://www.suse.com/security/cve/CVE-2021-28950, https://www.suse.com/security/cve/CVE-2021-28972, https://www.suse.com/security/cve/CVE-2021-29650, https://www.suse.com/security/cve/CVE-2021-30002, https://www.suse.com/security/cve/CVE-2021-3483

    Affected packages

    Package

    Name: kernel-bigmem

    Purl: pkg:rpm/suse/kernel-bigmem&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.0.101-108.126.1

    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-2021:14724-1 | CVE-DB