RHSA-2024:8617 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.

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):

• hw: cpu: intel: Native Branch History Injection (BHI) (CVE-2024-2201)

• kernel: tcp: add sanity checks to rx zerocopy (CVE-2024-26640)

• kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826)

• kernel: af_unix: Fix garbage collector racing against connect() (CVE-2024-26923)

• kernel: mac802154: fix llsec key resources release in mac802154_llsec_key_del (CVE-2024-26961)

• kernel: scsi: core: Fix unremoved procfs host directory regression (CVE-2024-26935)

• kernel: tty: Fix out-of-bound vmalloc access in imageblit (CVE-2021-47383)

• 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: netfilter: nft_inner: validate mandatory meta and payload (CVE-2024-39504)

• kernel: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages (CVE-2024-40904)

• kernel: mptcp: ensure snd_una is properly initialized on connect (CVE-2024-40931)

• kernel: ipv6: prevent possible NULL dereference in rt6_probe() (CVE-2024-40960)

• kernel: ext4: do not create EA inode under buffer lock (CVE-2024-40972)

• kernel: wifi: mt76: mt7921s: fix potential hung tasks during chip recovery (CVE-2024-40977)

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

• kernel: ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super() (CVE-2024-40998)

• kernel: netpoll: Fix race condition in netpoll_owner_active (CVE-2024-41005)

• kernel: xfs: don't walk off the end of a directory data block (CVE-2024-41013)

• kernel: xfs: add bounds checking to xlog_recover_process_data (CVE-2024-41014)

• kernel: block: initialize integrity buffer to zero before writing it to media (CVE-2024-43854)

• kernel: netfilter: flowtable: initialise extack before use (CVE-2024-45018)

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.