RHSA-2024:5692 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

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: smb: client: fix potential OOBs in smb2_parse_contexts() (CVE-2023-52434)

• kernel: ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry (CVE-2021-47069)

• kernel: net/sched: act_ct: fix skb leak and crash on ooo frags (CVE-2023-52610)

• kernel: wifi: iwlwifi: dbg-tlv: ensure NUL termination (CVE-2024-35845)

• kernel: mISDN: fix possible use-after-free in HFC_cleanup() (CVE-2021-47356)

• kernel: platform/x86: wmi: Fix opening of char device (CVE-2023-52864)

• kernel: isdn: mISDN: Fix sleeping function called from invalid context (CVE-2021-47468)

• kernel: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() (CVE-2024-36016)

• kernel: wifi: nl80211: don't free NULL coalescing rule (CVE-2024-36941)

• kernel: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique(). (CVE-2024-36904)

• kernel: gfs2: Fix potential glock use-after-free on unmount (CVE-2024-38570)

• kernel: KVM: x86: nSVM: fix potential NULL derefernce on nested migration (CVE-2022-48793)

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

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer the CVE page(s) listed in the References section.