RHSA-2024:1304 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.2 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):

• kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (CVE-2022-0480)

Bug Fix(es):

• [RHEL9] Add various *.peak control files to cgroup v2 (JIRA:RHEL-22850)
• RHEL9 Guest on Google Cloud panics on reading pvpanic device capabilities (JIRA:RHEL-23858)
• raid5: read data is wrong when recovery happens (JIRA:RHEL-23882)
• md/raid5: release batch_last before waiting for another stripe_head (JIRA:RHEL-24512)
• [regression][ext4][xfstests generic/094] Error reading from file with invalid argument (JIRA:RHEL-25436)
• bpf: Fix elem_size not being set for inner maps (JIRA:RHEL-25764)
• Backport "crypto: rsa - allow only odd e and restrict value in FIPS mode" (JIRA:RHEL-26078)
• kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (JIRA:RHEL-8911)
• [HPEMC RHEL 9.3 BUG] tools/power/x86 intel-speed-select crashes on systems with more than 8 sockets (JIRA:RHEL-17907)
• IPoIB: fix PKEY creation (JIRA:RHEL-22221)
• Memory corruption when using dm-crypt or dm-verity on RHEL-9 (JIRA:RHEL-26095)
• backport smartpqi: fix disable_managed_interrupts (JIRA:RHEL-26143)
• ffdhe* algortihms introduced in 0a2e5b909023 as .fips_allowed=1 lack pairwise consistency tests (JIRA:RHEL-27007)

Enhancement(s):

• s390/qeth: Fix vipa deletion (JIRA:RHEL-25813)

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 9.2 x86_64
• Red Hat Enterprise Linux Server - AUS 9.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.2 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x

Fixes

• BZ - 2049700 - CVE-2022-0480 kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion

CVEs

• CVE-2022-0480

References

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