The following advisory data is extracted from: https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_8617.json Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment. - Packet Storm Staff ==================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel security update Advisory ID: RHSA-2024:8617-03 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2024:8617 Issue date: 2024-10-30 Revision: 03 CVE Names: CVE-2021-47383 ==================================================================== Summary: 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. Description: 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. Solution: https://access.redhat.com/articles/11258 CVEs: CVE-2021-47383 References: https://access.redhat.com/security/updates/classification/#moderate https://bugzilla.redhat.com/show_bug.cgi?id=2268118 https://bugzilla.redhat.com/show_bug.cgi?id=2270100 https://bugzilla.redhat.com/show_bug.cgi?id=2275604 https://bugzilla.redhat.com/show_bug.cgi?id=2277171 https://bugzilla.redhat.com/show_bug.cgi?id=2278176 https://bugzilla.redhat.com/show_bug.cgi?id=2278235 https://bugzilla.redhat.com/show_bug.cgi?id=2282357 https://bugzilla.redhat.com/show_bug.cgi?id=2293654 https://bugzilla.redhat.com/show_bug.cgi?id=2296067 https://bugzilla.redhat.com/show_bug.cgi?id=2297476 https://bugzilla.redhat.com/show_bug.cgi?id=2297488 https://bugzilla.redhat.com/show_bug.cgi?id=2297515 https://bugzilla.redhat.com/show_bug.cgi?id=2297544 https://bugzilla.redhat.com/show_bug.cgi?id=2297556 https://bugzilla.redhat.com/show_bug.cgi?id=2297561 https://bugzilla.redhat.com/show_bug.cgi?id=2297579 https://bugzilla.redhat.com/show_bug.cgi?id=2297582 https://bugzilla.redhat.com/show_bug.cgi?id=2297589 https://bugzilla.redhat.com/show_bug.cgi?id=2300296 https://bugzilla.redhat.com/show_bug.cgi?id=2300297 https://bugzilla.redhat.com/show_bug.cgi?id=2311715