RHSA-2021:1272: Important: kernel security, bug fix, and enhancement update

First published: Tue Apr 20 2021(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: Use after free via PI futex state (CVE-2021-3347)</li> <li> kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)</li> <li> kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)</li> <li> kernel: iscsi: unrestricted access to sessions and handles (CVE-2021-27363)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Bug Fix(es):<br><li> System Crash / Core dump while deleting VMs (BZ#1897687)</li> <li> various patches to stabilize the OPAL error log processing and the powernv dump processing (ESS) (BZ#1907302)</li> <li> Unable to receive the signal registered using mq_notify(). (BZ#1926111)</li> <li> SCTP "Address already in use" when no active endpoints from RHEL 8.2 onwards (BZ#1927522)</li> <li> enable CONFIG_RANDOM_TRUST_CPU (BZ#1928027)</li> <li> [mm] mm, oom: remove oom_lock from oom_reaper (BZ#1929739)</li> <li> Configuring the system with non-RT kernel will hang the system (BZ#1930737)</li> <li> fNIC driver needs a patch fix that addresses crash (BZ#1932460)</li> <li> OVS mistakenly using local IP as tun_dst for VXLAN packets (?) (BZ#1944670)</li> Enhancement(s):<br><li> mlx5: Hairpin Support in Switch Mode (BZ#1924690)</li> <li> Trace mode enablement in IMC to facilitate perf-kvm support (perf:) (BZ#1929696)</li> <li> ice: Enable Flow Director Support (BZ#1930780)</li>

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

• agent/description
• agent/event
• agent/first-publish-date
• agent/last-modified-date
• agent/references
• agent/remedy
• agent/severity
• agent/softwarecombine
• agent/tags
• agent/title
• agent/type
• agent/weakness
• collector/redhat-errata
• source/Red Hat
• anchor-id/RHSA-2021:1272
• agent/software-canonical-lookup
• package-manager/redhat