Moderate: kernel security and bug fix update

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Extended Update Support.

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.

Description

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

Security Fix(es):

• information leak in scsi_ioctl() (CVE-2022-0494)
• A kernel-info-leak issue in pfkey_register (CVE-2022-1353)

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):

• unable to handle kernel paging request at 0000138040000237 (BZ#2100406)
• bnxt_en: Update driver to the latest upstream version (BZ#2100422)
• too long timeout value with TIME_WAIT status of conntrack entry (BZ#2104004)
• tcp: request_sock leak in Calico OCP (BZ#2104671)
• net: openvswitch: fix parsing of nw_proto for IPv6 fragments (BZ#2106704)
• ipv6: 'disable_policy' is ignored for addresses configured on a down interface (BZ#2109972)
• Percpu counter usage is gradually getting increasing during podman container recreation. (BZ#2110040)
• trouble re-assigning MACs to VFs, ice stricter than other drivers (BZ#2111937)
• ceph: add support for rxbounce option (BZ#2112967)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.4 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.4 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.4 aarch64

Fixes

• BZ - 2039448 - CVE-2022-0494 kernel: information leak in scsi_ioctl()
• BZ - 2066819 - CVE-2022-1353 Kernel: A kernel-info-leak issue in pfkey_register

CVEs

• CVE-2022-0494
• CVE-2022-1353

References

• https://access.redhat.com/security/updates/classification/#moderate