RHSA-2024:6991 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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: mm/sparsemem: fix race in accessing memory_section->usage (CVE-2023-52489)

• kernel: hwmon: (mlxreg-fan) Return non-zero value when fan current state is enforced from sysfs (CVE-2021-47393)

• kernel: net/smc: Fix NULL pointer dereferencing in smc_vlan_by_tcpsk() (CVE-2021-47559)

• kernel: ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine." (CVE-2024-40984)

• kernel: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() (CVE-2024-40995)

• kernel: powerpc/fixmap: Fix VM debug warning on unmap (CVE-2021-47623)

• kernel: xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create (CVE-2022-48773)

• kernel: vsock: remove vsock from connected table when connect is interrupted by a signal (CVE-2022-48786)

• kernel: perf: Fix list corruption in perf_cgroup_switch() (CVE-2022-48799)

• kernel: SUNRPC: lock against ->sock changing during sysfs read (CVE-2022-48816)

• kernel: mm: prevent derefencing NULL ptr in pfn_section_valid() (CVE-2024-41055)

• kernel: wifi: mac80211: Avoid address calculations via out of bounds array indexing (CVE-2024-41071)

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.