{
  "cveId": "CVE-2021-47310",
  "url": "https://patchblox.com/security/cve/CVE-2021-47310",
  "summary": "CVE-2021-47310 is fixed in 38 products on 1 platform, first by DEBIAN-CVE-2021-47310, released May 21, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "kernel-rt-debug-modules-extra: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
  "description": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: tls (CVE-2024-26585,CVE-2024-26584, CVE-2024-26583\n* kernel-rt: kernel: PCI interrupt mapping cause oops [almalinux-8] (CVE-2021-46909)\n* kernel: ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry (CVE-2021-47069)\n* kernel: hwrng: core - Fix page fault dead lock on mmap-ed hwrng (CVE-2023-52615)\n* kernel-rt: kernel: drm/amdgpu: use-after-free vulnerability (CVE-2024-26656)\n* kernel: Bluetooth: Avoid potential use-after-free in hci_error_reset CVE-2024-26801)\n* kernel: Squashfs: check the inode number is not the invalid value of zero  (CVE-2024-26982)\n* kernel: netfilter: nf_tables: use timestamp to check for set element timeout (CVE-2024-27397)\n* kernel: wifi: mac80211: (CVE-2024-35789, CVE-2024-35838, CVE-2024-35845)\n* kernel: wifi: nl80211: reject iftype change with mesh ID change (CVE-2024-27410)\n* kernel: perf/core: Bail out early if the request AUX area is out of bound (CVE-2023-52835)\n* kernel:TCP-spoofed ghost ACKs and leak initial sequence number (CVE-2023-52881)\n* kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack (CVE-2020-26555)\n* kernel: ovl: fix leaked dentry (CVE-2021-46972)\n* kernel: platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios (CVE-2021-47073)\n* kernel: mm/damon/vaddr-test: memory leak in damon_do_test_apply_three_regions() (CVE-2023-52560)\n* kernel: ppp_async: limit MRU to 64K (CVE-2024-26675)\n* kernel: mm/swap: fix race when skipping swapcache (CVE-2024-26759)\n* kernel: RDMA/mlx5: Fix fortify source warning while accessing Eth segment (CVE-2024-26907)\n* kernel: x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() (CVE-2024-26906)\n* kernel: net: ip_tunnel: prevent perpetual headroom growth (CVE-2024-26804)\n* kernel: net/usb: kalmia: avoid printing uninitialized value on error path (CVE-2023-52703)\n* kernel: KVM: SVM: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs (CVE-2023-5090)\n* kernel: EDAC/thunderx: Incorrect buffer size in drivers/edac/thunderx_edac.c (CVE-2023-52464)\n* kernel: ipv6: sr: fix possible use-after-free and null-ptr-deref (CVE-2024-26735)\n* kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826)\n* kernel: net/bnx2x: Prevent access to a freed page in page_pool (CVE-2024-26859)\n* kernel: crypto: (CVE-2024-26974, CVE-2023-52813)\n* kernel: can: (CVE-2023-52878, CVE-2021-47456)\n* kernel: usb: (CVE-2023-52781, CVE-2023-52877)\n* kernel: net/mlx5e: fix a potential double-free in fs_any_create_groups (CVE-2023-52667)\n* kernel: usbnet: sanity check for maxpacket (CVE-2021-47495)\n* kernel: gro: fix ownership transfer (CVE-2024-35890)\n* kernel: erspan: make sure erspan_base_hdr is present in skb-\u0026gt;head (CVE-2024-35888)\n* kernel: tipc: fix kernel warning when sending SYN message (CVE-2023-52700)\n* kernel: net/mlx5/mlxsw: (CVE-2024-35960, CVE-2024-36007, CVE-2024-35855)\n* kernel: net/mlx5e: (CVE-2024-35959, CVE-2023-52626, CVE-2024-35835)\n* kernel: mlxsw: (CVE-2024-35854, CVE-2024-35853, CVE-2024-35852)\n* kernel: net: (CVE-2024-35958, CVE-2021-47311, CVE-2021-47236, CVE-2021-47310)\n* kernel: i40e: Do not use WQ_MEM_RECLAIM flag for workqueue (CVE-2024-36004)\n* kernel: mISDN: fix possible use-after-free in HFC_cleanup() (CVE-2021-47356)\n* kernel: udf: Fix NULL pointer dereference in udf_symlink function (CVE-2021-47353)\n\nBug Fix(es):\n\n* kernel-rt: update RT source tree to the latest AlmaLinux-8.10.z kernel (JIRA:AlmaLinux-40882)\n* [almalinux8.9][cxgb4]BUG: using smp_processor_id() in preemptible [00000000] code: ethtool/54735 (JIRA:AlmaLinux-8779)\n\nFor 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.",
  "published": "2024-05-21T15:15:18Z",
  "severity": "important",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00252,
  "epssPercentile": 0.16762,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
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