RHSA-2022:0063 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: perf_event_parse_addr_filter memory (CVE-2020-25704)

• kernel: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations (CVE-2020-36322)

• kernel: Heap buffer overflow in firedtv driver (CVE-2021-42739)

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.

Bug Fix(es):

• A gfs2 withdrawal occurs function = gfs2_setbit, file = fs/gfs2/rgrp.c, line = 109 (BZ#1364234)

• i40e SR-IOV TX driver issue detected on VF 7 - VF connectivity loose after VF down/up (BZ#1977246)

• duplicate ACK not sent when expected (BZ#1990665)

• [kernel-debug] BUG: bad unlock balance detected! when running LTP read_all (BZ#2006536)

• Rudimentary support for AMD Milan - Call init_amd_zn() om Family 19h processors (BZ#2019218)

• A VM with <=8 CPUs handles all the Mellanox NIC interrupts on CPU0 only, causing low performance (BZ#2019272)

• fix _PSD override quirk for AMD family 19h+ (BZ#2019588)

• generic_file_aio_read returns 0 when interrupted early with a fatal signal (BZ#2020857)