RHSA-2024:8158 - Security Advisory

Topic

An update for kernel-rt 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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• kernel: Local information disclosure on Intel(R) Atom(R) processors (CVE-2023-28746)
• kernel: hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field (CVE-2021-47385)
• kernel: net/sched: taprio: extend minimum interval restriction to entire cycle too (CVE-2024-36244)
• kernel: xfs: fix log recovery buffer allocation for the legacy h_size fixup (CVE-2024-39472)
• kernel: firmware: cs_dsp: Use strnlen() on name fields in V1 wmfw files (CVE-2024-41056)
• kernel: ibmvnic: Add tx check to prevent skb leak (CVE-2024-41066)
• kernel: pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER (CVE-2024-42090)
• kernel: sched: act_ct: take care of padding in struct zones_ht_key (CVE-2024-42272)
• kernel: tipc: Return non-zero value from tipc_udp_addr2str() on error (CVE-2024-42284)

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.

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 Real Time for x86_64 - 4 years of updates 9.2 x86_64
• Red Hat Enterprise Linux for Real Time for NFV for x86_64 - 4 years of updates 9.2 x86_64

Fixes

• BZ - 2270700 - CVE-2023-28746 kernel: Local information disclosure on Intel(R) Atom(R) processors
• BZ - 2282355 - CVE-2021-47385 kernel: hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field
• BZ - 2293654 - CVE-2024-36244 kernel: net/sched: taprio: extend minimum interval restriction to entire cycle too
• BZ - 2296067 - CVE-2024-39472 kernel: xfs: fix log recovery buffer allocation for the legacy h_size fixup
• BZ - 2300430 - CVE-2024-41056 kernel: firmware: cs_dsp: Use strnlen() on name fields in V1 wmfw files
• BZ - 2300442 - CVE-2024-41066 kernel: ibmvnic: Add tx check to prevent skb leak
• BZ - 2300552 - CVE-2024-42090 kernel: pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER

CVEs

• CVE-2021-47385
• CVE-2023-28746
• CVE-2024-36244
• CVE-2024-39472
• CVE-2024-41056
• CVE-2024-41066
• CVE-2024-42090
• CVE-2024-42272
• CVE-2024-42284

References

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