The following advisory data is extracted from: https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_4211.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: Important: kernel security and bug fix update Advisory ID: RHSA-2024:4211-03 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2024:4211 Issue date: 2024-07-02 Revision: 03 CVE Names: CVE-2020-26555 ==================================================================== Summary: An update for kernel is now available for Red Hat Enterprise Linux 8. 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): * kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack (CVE-2020-26555) * kernel:TCP-spoofed ghost ACKs and leak leak initial sequence number (CVE-2023-52881,RHV-2024-1001) * kernel: ovl: fix leaked dentry (CVE-2021-46972) * kernel: platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios (CVE-2021-47073) * kernel: mm/damon/vaddr-test: memory leak in damon_do_test_apply_three_regions() (CVE-2023-52560) * kernel: ppp_async: limit MRU to 64K (CVE-2024-26675) * kernel: mm/swap: fix race when skipping swapcache (CVE-2024-26759) * kernel: net: ip_tunnel: prevent perpetual headroom growth (CVE-2024-26804) * kernel: RDMA/mlx5: Fix fortify source warning while accessing Eth segment (CVE-2024-26907) * kernel: x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() (CVE-2024-26906) * kernel: powerpc/powernv: Add a null pointer check in opal_event_init() (CVE-2023-52686) * kernel: powerpc/imc-pmu: Add a null pointer check in update_events_in_group() (CVE-2023-52675) * kernel: KVM: SVM: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs (CVE-2023-5090) * kernel: EDAC/thunderx: Incorrect buffer size in drivers/edac/thunderx_edac.c (CVE-2023-52464) * kernel: ipv6: sr: fix possible use-after-free and null-ptr-deref (CVE-2024-26735) * kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826) * kernel: net/bnx2x: Prevent access to a freed page in page_pool (CVE-2024-26859) * kernel: crypto: qat - resolve race condition during AER recovery (CVE-2024-26974) * kernel: net/mlx5e: fix a potential double-free in fs_any_create_groups (CVE-2023-52667) * kernel: net/mlx5: Properly link new fs rules into the tree (CVE-2024-35960) * kernel: net/mlx5e: Fix mlx5e_priv_init() cleanup flow (CVE-2024-35959) * kernel: net: ena: Fix incorrect descriptor free behavior (CVE-2024-35958) * kernel: i40e: Do not use WQ_MEM_RECLAIM flag for workqueue (CVE-2024-36004) * kernel: mISDN: fix possible use-after-free in HFC_cleanup() (CVE-2021-47356) * kernel: udf: Fix NULL pointer dereference in udf_symlink function (CVE-2021-47353) * kernel: net: ti: fix UAF in tlan_remove_one (CVE-2021-47310) Bug Fix(es): * Kernel panic - kernel BUG at mm/slub.c:376! (JIRA:RHEL-29783) * Temporary values in FIPS integrity test should be zeroized [rhel-8.10.z] (JIRA:RHEL-35361) * RHEL8.6 - kernel: s390/cpum_cf: make crypto counters upward compatible (JIRA:RHEL-36048) * [RHEL8] blktests block/024 failed (JIRA:RHEL-8130) * RHEL8.9: EEH injections results Error: Power fault on Port 0 and other call traces(Everest/1050/Shiner) (JIRA:RHEL-14195) * Latency spikes with Matrox G200 graphic cards (JIRA:RHEL-36172) 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-2020-26555 References: https://access.redhat.com/security/updates/classification/#important https://bugzilla.redhat.com/show_bug.cgi?id=1918601 https://bugzilla.redhat.com/show_bug.cgi?id=2248122 https://bugzilla.redhat.com/show_bug.cgi?id=2258875 https://bugzilla.redhat.com/show_bug.cgi?id=2265517 https://bugzilla.redhat.com/show_bug.cgi?id=2265519 https://bugzilla.redhat.com/show_bug.cgi?id=2265520 https://bugzilla.redhat.com/show_bug.cgi?id=2265800 https://bugzilla.redhat.com/show_bug.cgi?id=2266408 https://bugzilla.redhat.com/show_bug.cgi?id=2266831 https://bugzilla.redhat.com/show_bug.cgi?id=2267513 https://bugzilla.redhat.com/show_bug.cgi?id=2267518 https://bugzilla.redhat.com/show_bug.cgi?id=2267730 https://bugzilla.redhat.com/show_bug.cgi?id=2270093 https://bugzilla.redhat.com/show_bug.cgi?id=2271680 https://bugzilla.redhat.com/show_bug.cgi?id=2272692 https://bugzilla.redhat.com/show_bug.cgi?id=2272829 https://bugzilla.redhat.com/show_bug.cgi?id=2273204 https://bugzilla.redhat.com/show_bug.cgi?id=2273278 https://bugzilla.redhat.com/show_bug.cgi?id=2273423 https://bugzilla.redhat.com/show_bug.cgi?id=2273429 https://bugzilla.redhat.com/show_bug.cgi?id=2275604 https://bugzilla.redhat.com/show_bug.cgi?id=2275633 https://bugzilla.redhat.com/show_bug.cgi?id=2275635 https://bugzilla.redhat.com/show_bug.cgi?id=2275733 https://bugzilla.redhat.com/show_bug.cgi?id=2278337 https://bugzilla.redhat.com/show_bug.cgi?id=2278354 https://bugzilla.redhat.com/show_bug.cgi?id=2280434 https://bugzilla.redhat.com/show_bug.cgi?id=2281057 https://bugzilla.redhat.com/show_bug.cgi?id=2281113 https://bugzilla.redhat.com/show_bug.cgi?id=2281157 https://bugzilla.redhat.com/show_bug.cgi?id=2281165 https://bugzilla.redhat.com/show_bug.cgi?id=2281251 https://bugzilla.redhat.com/show_bug.cgi?id=2281253 https://bugzilla.redhat.com/show_bug.cgi?id=2281255 https://bugzilla.redhat.com/show_bug.cgi?id=2281257 https://bugzilla.redhat.com/show_bug.cgi?id=2281272 https://bugzilla.redhat.com/show_bug.cgi?id=2281311 https://bugzilla.redhat.com/show_bug.cgi?id=2281334 https://bugzilla.redhat.com/show_bug.cgi?id=2281346 https://bugzilla.redhat.com/show_bug.cgi?id=2281350 https://bugzilla.redhat.com/show_bug.cgi?id=2281689 https://bugzilla.redhat.com/show_bug.cgi?id=2281693 https://bugzilla.redhat.com/show_bug.cgi?id=2281920 https://bugzilla.redhat.com/show_bug.cgi?id=2281923 https://bugzilla.redhat.com/show_bug.cgi?id=2281925 https://bugzilla.redhat.com/show_bug.cgi?id=2281953 https://bugzilla.redhat.com/show_bug.cgi?id=2281986 https://bugzilla.redhat.com/show_bug.cgi?id=2282394 https://bugzilla.redhat.com/show_bug.cgi?id=2282400 https://bugzilla.redhat.com/show_bug.cgi?id=2282471 https://bugzilla.redhat.com/show_bug.cgi?id=2282472 https://bugzilla.redhat.com/show_bug.cgi?id=2282581 https://bugzilla.redhat.com/show_bug.cgi?id=2282609 https://bugzilla.redhat.com/show_bug.cgi?id=2282612 https://bugzilla.redhat.com/show_bug.cgi?id=2282653 https://bugzilla.redhat.com/show_bug.cgi?id=2282680 https://bugzilla.redhat.com/show_bug.cgi?id=2282698 https://bugzilla.redhat.com/show_bug.cgi?id=2282712 https://bugzilla.redhat.com/show_bug.cgi?id=2282735 https://bugzilla.redhat.com/show_bug.cgi?id=2282902 https://bugzilla.redhat.com/show_bug.cgi?id=2282920